CN105105210B

CN105105210B - Epidermis is evaporated off fresh fish or has fresh fish, its manufacturing method and its manufacturing device of edible epidermis

Info

Publication number: CN105105210B
Application number: CN201410731346.9A
Authority: CN
Inventors: 坂本义信; 川端康之亮; 泽田亮; 三浦贺一; 横山浩隆
Original assignee: Miura Sensor Laboratory inc; Hokyo Corp
Current assignee: Miura Sensor Laboratory inc; Hokyo Corp
Priority date: 2013-12-05
Filing date: 2014-12-05
Publication date: 2019-10-25
Anticipated expiration: 2034-12-05
Also published as: CN105105210A

Abstract

Fresh fish is evaporated off the present invention relates to epidermis or has fresh fish, its manufacturing method and its manufacturing device of edible epidermis.The subject of the invention is to provide the corium of the lower part of the epidermis of fresh fish raw material is undamaged, only aforementioned epidermis is thermally treated and be evaporated off or be changed into edible epidermis, the original appearance of fresh fish raw material, freshness, taste are maintained, taste, mouthfeel are excellent, and edible epidermis is evaporated off fresh fish or has fresh fish and its manufacturing method and its manufacturing device of edible epidermis in the state of life.It is addressed by following: epidermis is evaporated off fresh fish or has the fresh fish of edible epidermis, it is characterized in that, it is obtained from the laser beam of preset selection wavelength or hot wind to be controlled in the epidermis whole face of fresh fish raw material and successively uniformly supplied, the corium of the lower part of aforementioned epidermis is undamaged, only aforementioned epidermis is thermally treated and be evaporated off or be changed into edible epidermis, the original appearance of fresh fish raw material, freshness, taste are maintained, taste, mouthfeel are excellent, edible in the state of life.

Description

Epidermis fresh fish is evaporated off or have the fresh fish of edible epidermis, its manufacturing method and its Manufacturing device

Technical field

Fresh fish (fresh fish ablated outer skin) is evaporated off the present invention relates to epidermis or has edible epidermis Fresh fish, its manufacturing method and its manufacturing device be more specifically related to the corium (inner skin) of the lower part of epidermis not Impaired, only aforementioned epidermis is thermally treated and be evaporated off or be changed into edible epidermis, the original appearance of fresh fish raw material, fresh Degree, taste are maintained, and taste, mouthfeel are excellent, and also fresh fish is evaporated off in edible epidermis in the state of life or have can Eat fresh fish, its manufacturing method and its manufacturing device of epidermis.

Background technique

Figure 35 is fresh fish raw material (meat piece for having carried out hacking processing and/or processing of boning) or the fresh fish raw material of freezing The cross section explanatory diagram of (hereinafter, sometimes referred to as fresh fish raw material).Fresh fish raw material 1 is if substantially distinguishing by epidermis 2, corium 3, rouge Fat layer 4 and muscle layer 5 are constituted.

When eating it raw fish (for example, raw fish, salt marsh, marinate), since its epidermis can not be bitten broken, thus require to shell greatly Skin.But the problem of situation for having the appearance (apperance of fish) of corium impaired due to peeling is more, and yield rate also reduces.For example, It has been found that mackerel is very difficult to carry out peeling in the state of maintaining appearance.

Therefore, when needing to remove epidermis 2, progress: as shown in figure 36, it is former that kitchen knife 6 is cut into fresh fish always Epidermis 2 is removed in a manner of not destroying body between the epidermis 2 and corium 3 of material 1；Or as shown in figure 37, fresh fish is former Material 1 is dipped in edible use drug 8(chemical treatment use for the liquid being contained in container 7 etc.), then artificially epidermis 2 is removed； Or as shown in figure 38, the heat sources such as infrared heater 9 are placed towards 2 face of epidermis and are heated, burnt up epidermis 2 and artificially will Skin removing etc..

On the other hand, it was also proposed that assign the side of scratch to food etc. using laser beam, ultrasonic wave, wind pressure, hydraulic pressure etc. Case (referring to patent document 1) proposes the positioning light irradiating device for having the irradiation light on the transport path of flesh of fish block Fish body processing unit (referring to patent document 2).

Existing technical literature

Patent document

Patent document 1: International Publication bulletin WO2013/062093

Patent document 2: Japanese Unexamined Patent Publication 2005-229913 bulletin.

Summary of the invention

Problems to be solved by the invention

But operating method previous shown in Figure 36 is to be carried out by the hand of people, thus not only need the skill of height Art, and the problem of there is damage that is unhygienic, being prone to fish body and reduce yield rate；Previous chemistry shown in Figure 37 The operating method of processing is by fresh 1 mass-impregnation of fish raw material in the edible in drug 8 of liquid, thus have freshness and The problem of original taste taste is lost；It is difficult to adjust heat using the operating method of the heating of infrared heater 9 shown in Figure 38 Amount increase and decrease, i.e., it is enabled to remove epidermis 2, also due to radiation heat reaches muscle layer 5 and does not have fresh sense there are product, it is dry and residual Stay burning, mouthfeel also poor equal problem etc., furthermore any previous operating method further has time-consuming problem.

1st purpose of the invention is using fresh fish raw material or the fresh fish raw material of freezing, in the situation of fresh fish raw material Then by it directly as raw material, then using the fresh fish of the defrosting thawed as original in the situation for freezing fresh fish raw material Material, wholesomely provide: the corium of the lower part of epidermis is undamaged, and only epidermis is thermally treated and carried out being evaporated off or being changed into edible table Skin, the original appearance of fresh fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, can also in the state of life Edible epidermis is evaporated off fresh fish or has the fresh fish of edible epidermis.

2nd purpose of the invention, which is to provide, wholesomely can be easily manufactured epidermis with high finished product rate fresh fish or tool is evaporated off The manufacturing method of the fresh fish of standby edible epidermis.

3rd purpose of the invention, which is to provide, wholesomely can be easily manufactured epidermis with high finished product rate fresh fish or tool is evaporated off The manufacturing device of the fresh fish of standby edible epidermis.

The method for solving problem

Invention described in claim 1 of the invention for solving the above subject is that fresh fish is evaporated off in epidermis or have can Eat epidermis fresh fish, which is characterized in that its be by it is preset selection wavelength laser beam or hot wind be controlled in it is fresh The epidermis whole face of fish raw material and obtained from being successively supplied uniformly across, the corium of the lower part of aforementioned epidermis is undamaged, only aforementioned table Skin is thermally treated and has carried out being evaporated off or being changed into edible epidermis, and the original appearance of fresh fish raw material, freshness, taste obtain It maintains, taste, mouthfeel are excellent, edible in the state of life.

Invention as claimed in claim 2 of the invention is that epidermis described in claim 1 is evaporated off fresh fish or has edible The fresh fish of epidermis,

It is characterized in that, aforementioned fresh fish raw material is the fresh fish raw material that will be freezed fresh fish raw material and thaw.

Invention as claimed in claim 3 of the invention is that epidermis is evaporated off fresh fish or has the system of the fresh fish of edible epidermis Method is made, the corium of the lower part of the epidermis of the fresh fish is undamaged, and only aforementioned epidermis is thermally treated and be evaporated off or turned Becoming edible epidermis, the original appearance of fresh fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, even if Also edible in the state of life, the manufacturing method is characterized in that, includes at least following step (1)~(2), and as needed Include the following steps (3)~(4):

(1) using fresh fish raw material or the fresh fish raw material of freezing, in the situation of fresh fish raw material then by its directly as Raw material, then using the fresh fish of the defrosting thawed as raw material in the situation for freezing fresh fish raw material, by these fresh fishes Raw material carries out hacking processing and/or the step of processing and preparing processed goods of boning as needed；

(2) raw material prepared in step (1) is placed in raw material mobile device, is that defined speed is mobile for controlling Aforementioned raw material, on the direction intersected with moving direction, by by laser beam generating device or hot air generator supply by The laser beam or hot wind of the preset selection wavelength of control are controlled in its epidermis whole face and continuous place is irradiated or with heat The mode of air curtain blows, and is successively supplied uniformly across the thermal energy of specified amount to its epidermis whole face whereby, is not damaging aforementioned epidermis Lower part corium in the case of, only aforementioned epidermis is heat-treated and is allowed to the step of being evaporated off or being changed into edible epidermis；

(3) it is allowed to be evaporated off or be changed into the product of edible epidermis by only aforementioned epidermis is heat-treated in step (2) The step of being taken out with product withdrawing device；

(4) the step of product of taking-up being vacuum-packed and is freezed as needed.

Invention as claimed in claim 4 of the invention is manufacturing method as claimed in claim 3, which is characterized in that is used Aforementioned laser light generating device, by the laser light of the preset selection wavelength occurred by aforementioned laser light generating device Line is sent to scanner unit, is scanned on the direction intersected with moving direction with the speed of preset scanner same When be controlled in its epidermis whole face and irradiate the continuous place of laser beam, epidermis whole face is successively supplied uniformly across whereby as defined in Aforementioned epidermis is only evaporated off in the case of not damaging the corium of lower part of aforementioned epidermis in thermal energy, when carrying out the heat treatment, supplies It is handled to the thermal energy for the irreducible minimum for making the mouthfeel of aforementioned epidermis disappear, or supplies the maximum limit before will burning Thermal energy is handled, or supply be more than the thermal energy of aforementioned irreducible minimum and be less than aforementioned maximum limit thermal energy range Thermal energy implement abovementioned steps (2).

Invention described in claim 5 of the invention is manufacturing method as claimed in claim 4, which is characterized in that preceding It states in step (2), supply energy density is 0.036~0.109(W/mm²) range thermal energy, do not damaging aforementioned epidermis Lower part corium in the case of, only aforementioned epidermis is evaporated off.

Invention as claimed in claim 6 of the invention is manufacturing method described in claim 4 or 5, which is characterized in that preceding The laser beam for stating selection wavelength is 3~15 μm of wavelength of laser beam.

Invention as claimed in claim 7 of the invention is manufacturing method as claimed in claim 3, which is characterized in that is used Aforementioned hot air generator, on the direction intersected with moving direction, the control that will be sprayed by the nozzle of aforementioned hot air generator The warm air curtain of temperature as defined in being made as and air quantity is controlled in its epidermis whole face and continuously blows, successively equal to epidermis whole face whereby Defined thermal energy is supplied evenly, and in the case of not damaging the corium of lower part of aforementioned epidermis, heat only is carried out to aforementioned epidermis It handles and makes edible epidermis, at this point, changing the wind of the movement speed of aforementioned raw material, the temperature of hot wind and hot wind in advance Amount, can only aforementioned epidermis be heat-treated and the curve 1 of the boundary that is changed into edible epidermis and display can by finding out display The curve 2 for the boundary that only aforementioned epidermis is heat-treated in the case of not damaging corium, and use is by curve obtained 1 and song Line 2 surrounded in the range of movement speed, the temperature of hot wind and hot wind air quantity implement abovementioned steps (2).

Invention according to any one of claims 8 of the invention is the manufacture dress that fresh fish is evaporated off in epidermis of any of claims 1 or 2 It sets, which is characterized in that

At least have: loading fresh fish raw material and be allowed to mobile raw material mobile device；Detection is placed in aforementioned raw material shifting The fresh fish raw material of dynamic device and movement arrived the raw material detection device of specified position；Laser beam generating device；It will be by preceding The laser beam for stating the generation of laser beam generating device is controlled in while being scanned on the direction intersected with moving direction The scanner unit of the epidermis whole face of fresh fish raw material and the irradiation of continuous place；Control device；And product as needed takes Device and vacuum packaging equipment out；

Foregoing control device carries out including following control: receiving fresh fish raw material from aforementioned raw material detection device arrived The signal of specified position sends the letter that the laser beam of preset selection wavelength occurs to aforementioned laser light generating device Number, and aforementioned scanners unit is sent will be conveyed by laser beam generating device with the speed of preset scanner Laser beam is controlled in the epidermis whole face of fresh fish raw material and company while being scanned on the direction intersected with moving direction Continuous place irradiation is to successively be supplied uniformly across the signal of defined thermal energy, the laser scanning of predetermined time Device operation, only aforementioned epidermis is evaporated off in the case of not damaging the corium of lower part of aforementioned epidermis.

Invention as claimed in claim 9 of the invention is the manufacture dress that fresh fish is evaporated off in epidermis of any of claims 1 or 2 It sets, which is characterized in that

At least have: loading fresh fish raw material and be allowed to mobile raw material mobile device；Detection is placed in aforementioned raw material shifting The raw material of dynamic device and movement arrived the raw material detection device of specified position；It will control as defined temperature and air quantity and occur Hot wind from nozzle spray and on the direction intersected with moving direction with the form control of warm air curtain in the epidermis of aforementioned raw material Whole face and the hot air generator continuously blowed；Control device；And product withdrawing device and vacuum packaging as needed Device；

Foregoing control device carries out including following control: sending signal to raw material mobile device so that aforementioned raw material is with pre- The movement speed conveying first set, while receiving aforementioned raw material from aforementioned raw material detection device and arrived the signal of specified position, The signal that the hot wind of predetermined temperature and air quantity occurs is sent to aforementioned hot air generator, what is intersected with moving direction The warm air curtain for defined temperature and air quantity will be controlled on direction to be controlled in the epidermis whole face of aforementioned raw material and send out from aforementioned hot wind The nozzle of generating apparatus is continuously blowed to defined thermal energy being successively supplied uniformly across to epidermis whole face whereby, before not damaging In the case of the corium for stating the lower part of epidermis, only aforementioned epidermis is heat-treated and is allowed to be changed into edible epidermis.

Invention effect

Invention described in claim 1 of the invention is that epidermis is evaporated off fresh fish or has the fresh fish of edible epidermis, It is characterized in that, is the preset laser beam for selecting wavelength of control or hot wind and is successively supplied uniformly across former to fresh fish Obtained from the epidermis whole face of material, the corium of the lower part of aforementioned epidermis is undamaged, and only aforementioned epidermis is thermally treated and steamed Edible epidermis is removed or is changed into, the original appearance of fresh fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, It is edible in the state of life；

Using fresh fish raw material or the fresh fish raw material of freezing, then by it directly as original in the situation of fresh fish raw material Material, then using the fresh fish of the defrosting thawed as raw material in the situation for freezing fresh fish raw material, to wholesomely realize Following remarkable results: the corium of the lower part of epidermis is undamaged, and only aforementioned epidermis is thermally treated and be evaporated off or be changed into can Epidermis is eaten, the original appearance of fresh fish raw material, freshness, original taste are maintained, and taste, mouthfeel are excellent, even if It is also edible in the state of life.

The epidermis of fresh fish raw material contains a large amount of collagen with triple helices stereochemical structure, if but swashing to controlled Light light or hot wind are controlled and are successively blowed uniformly and continuously to the epidermis whole face of fresh fish raw material, whereby supply regulation Thermal energy, then as a result, become only aforementioned epidermis it is thermally treated and decompose and be evaporated off or a part of breaking of covalent bonds, Triple helices stereochemical structure ruptures and gelatinization occurs or a part is dissolved in the medium state of moisture of remainder, that is, recognizes For epidermis is only changed into edible epidermis and being heat-treated.

Certainly, only epidermis is thermally treated and be evaporated off or be changed into the mechanism of edible epidermis and be not limited to aforementioned mechanism.

Invention as claimed in claim 2 of the invention is that epidermis described in claim 1 is evaporated off fresh fish or has edible The fresh fish of epidermis, which is characterized in that aforementioned fresh fish raw material is the fresh fish raw material that will be freezed fresh fish raw material and thaw；

Using fresh fish raw material is freezed, to realize following further remarkable results: only superficial cortical layers it is thermally treated and It is evaporated off or is changed into edible epidermis, edible in the state of life, freshness, original taste are maintained, mouth Taste, mouthfeel are excellent.

Invention as claimed in claim 3 of the invention is that epidermis is evaporated off fresh fish or has the system of the fresh fish of edible epidermis Method is made, the corium of the lower part of the epidermis of the fresh fish is undamaged, and only aforementioned epidermis is thermally treated and be evaporated off or turned Becoming edible epidermis, the original appearance of fresh fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, even if Also edible in the state of life, the manufacturing method is characterized in that, includes at least abovementioned steps (1)~(2), and as needed Including abovementioned steps (3)~(4),

It realizes following remarkable results: fresh fish raw material or the fresh fish raw material of freezing is able to use, wholesomely with high finished product Rate and the corium that the lower part of epidermis is easily manufactured is undamaged, only aforementioned epidermis is thermally treated and epidermis be evaporated off or turned Becoming edible epidermis, the original appearance of fresh fish raw material, freshness, original taste are maintained, and taste, mouthfeel are excellent, Edible epidermis is evaporated off fresh fish or has the fresh fish of edible epidermis in the state of life.

Invention as claimed in claim 4 of the invention is manufacturing method as claimed in claim 3,

It is characterized in that, will be occurred by aforementioned laser light generating device pre- using aforementioned laser light generating device The laser beam of the selection wavelength first set is sent to scanner unit, with the speed of preset scanner with moving direction It is controlled in its epidermis whole face while being scanned on the direction of intersection and irradiates the continuous place of laser beam, whereby to epidermis Whole face is successively supplied uniformly across defined thermal energy, in the case of not damaging the corium of lower part of aforementioned epidermis, before being only evaporated off Epidermis is stated, when carrying out the heat treatment, supplies the thermal energy for the irreducible minimum for making the mouthfeel of aforementioned epidermis disappear to be handled, or The thermal energy of the maximum limit before will burning is supplied to be handled, or supply is more than the thermal energy of aforementioned irreducible minimum and is less than The thermal energy of the range of the thermal energy of aforementioned maximum limit implements abovementioned steps (2)；

It realizes following remarkable results: even if the differences such as the type of fish, size or place of production, can also easily find out most suitable Condition is able to use fresh fish raw material or frozen fish raw material, the lower part of epidermis is wholesomely easily manufactured with high finished product rate Corium is undamaged, and only aforementioned epidermis is evaporated off really, the original appearance of fresh fish raw material, freshness, original taste It is maintained, taste, mouthfeel are excellent, and fresh fish is evaporated off in edible epidermis in the state of life.

Invention described in claim 5 of the invention is the manufacturing method that fresh fish is evaporated off in epidermis as claimed in claim 4,

It is characterized in that, supply energy density is 0.036~0.109(W/mm in abovementioned steps (2)²) range Only aforementioned epidermis is evaporated off in the case of not damaging the corium of lower part of aforementioned epidermis for thermal energy；

Include salt down mackerel, salt marsh mackerel, mackerel raw fish, the saury that salts down, salt marsh saury, saury raw fish, salt down In the situation of the type of the fish of scad, salt marsh scad, scad raw fish etc., in preceding energy density range, more really Following further remarkable results are realized on the spot: it is original that fresh fish raw material can wholesomely be easily manufactured with high finished product rate Appearance, freshness, original taste are maintained, and taste, mouthfeel are excellent, edible epidermis in the state of life Fresh fish is evaporated off.

Invention as claimed in claim 6 of the invention is the manufacturer that fresh fish is evaporated off in epidermis described in claim 4 or 5 Method, which is characterized in that the laser beam of aforementioned selection wavelength is 3~15 μm of wavelength of laser beam；

The laser beam that 3~15 μm of wavelength is the excellent representative laser beam of water absorption, thus the laser beam Generating device etc. obtains with being also easy economy, using the laser beam in aforementioned wave-length coverage, thus under more reliably realizing It states further remarkable result: wholesomely readily and economically can manufacture to property original outer of fresh fish raw material with high finished product rate Sight, freshness, original taste are maintained, and taste, mouthfeel are excellent, and edible epidermis steams in the state of life Except fresh fish.

Invention as claimed in claim 7 of the invention is manufacturing method as claimed in claim 3,

It is characterized in that, using aforementioned hot air generator, it will be by aforementioned hot wind on the direction intersected with moving direction The control that the nozzle of generating device sprays is controlled in its epidermis whole face and continuously blows for the warm air curtain of defined temperature and air quantity It send, defined thermal energy is successively supplied uniformly across to epidermis whole face whereby, in the feelings of the corium for the lower part for not damaging aforementioned epidermis Under shape, only aforementioned epidermis is heat-treated and makes edible epidermis, at this point, changing the mobile speed of aforementioned raw material in advance The air quantity of degree, the temperature of hot wind and hot wind, finding out display can be only heat-treated aforementioned epidermis and be changed into edible epidermis Boundary curve 1 and the curve of boundary that only aforementioned epidermis can be heat-treated in the case of not damaging corium of display 2, and using the air quantity of movement speed, the temperature of hot wind and hot wind in the range of being surrounded by curve obtained 1 and curve 2 Lai real Apply abovementioned steps (2).

Curve 1 and curve 2 are found out due to being tested in advance, uses the mobile speed in the range of being surrounded by two curves Degree, the temperature of hot wind and hot wind air quantity implement abovementioned steps (2), thus realize following further remarkable results: even if The differences such as type, size, the place of production of fish can also easily find out most suitable condition, can be more reliably wholesomely with high finished product Rate and the fresh fish for having edible epidermis is easily manufactured.

At least have: loading fresh fish raw material and be allowed to mobile raw material mobile device；Detection is placed in aforementioned raw material shifting The fresh fish raw material of dynamic device and movement arrived the raw material detection device of specified position；Laser beam generating device；It will be by preceding State laser beam generating device generation laser beam be controlled in while the side intersected with moving direction scans up it is fresh The scanner unit of the epidermis whole face of fish raw material and the irradiation of continuous place；Control device；And product as needed takes out dress It sets and vacuum packaging equipment；

Foregoing control device carries out including following control: receiving fresh fish raw material from aforementioned raw material detection device arrived The signal of specified position sends the letter that the laser beam of preset selection wavelength occurs to aforementioned laser light generating device Number, and aforementioned scanners unit is sent will be conveyed by laser beam generating device with the speed of preset scanner Laser beam is controlled in the epidermis whole face of fresh fish raw material and company while being scanned on the direction intersected with moving direction Continuous place irradiation is to successively be supplied uniformly across the signal of defined thermal energy, the laser scanning of predetermined time Device operation, only aforementioned epidermis is evaporated off in the case of not damaging the corium of lower part of aforementioned epidermis；

To realizing following remarkable results: can independent of people hand and this is wholesomely easily manufactured with high finished product rate Fresh fish is evaporated off in the epidermis of invention.

Foregoing control device carries out including following control: sending signal to raw material mobile device so that aforementioned raw material is with pre- The movement speed conveying first set, while receiving aforementioned raw material from aforementioned raw material detection device and arrived the signal of specified position, The signal that the hot wind of predetermined temperature and air quantity occurs is sent to aforementioned hot air generator, what is intersected with moving direction The warm air curtain for defined temperature and air quantity will be controlled on direction to be controlled in the epidermis whole face of aforementioned raw material and send out from aforementioned hot wind The nozzle of generating apparatus continuously blows, and is successively supplied uniformly across defined thermal energy to epidermis whole face whereby, aforementioned not damaging In the case of the corium of the lower part of epidermis, only aforementioned epidermis is heat-treated and is allowed to be changed into edible epidermis；

To realizing following remarkable results: can independent of people hand and this is wholesomely easily manufactured with high finished product rate The fresh fish for having edible epidermis of invention.

Detailed description of the invention

[Fig. 1] Fig. 1 is to illustrate that the explanatory diagram of an example of the manufacturing device of fresh fish is evaporated off in epidermis of the invention.

[Fig. 2] Fig. 2 is the cross section explanatory diagram for illustrating an example when laser beam point to be irradiated in epidermis.

[Fig. 3] Fig. 3 (a)~(c) is schematically to illustrate for laser beam point to be irradiated in epidermis Shi Youqi thermal energy bring The cross section explanatory diagram of effect.

[Fig. 4] Fig. 4 is viewed from above to sweep on the direction intersected with moving direction to mobile fresh fish raw material The laser beam of the excellent selection wavelength of water absorption is controlled in the epidermis whole face of fresh fish raw material and continuous while retouching The explanatory diagram of the situation of place irradiation.

[Fig. 5] Fig. 5 is the cross section explanatory diagram that fresh fish is evaporated off in the epidermis manufactured in the present invention.

[Fig. 6] Fig. 6 (a) and (b) are the immersion distances illustrated using fracture loading measuring machine measurement fracture loading (g), plunger (mm) explanatory diagram of method.

[Fig. 7] Fig. 7 is to show using freezing mackerel to manufacture the step of fresh fish (salt down mackerel) is evaporated off in epidermis of the invention 1 (embodiment 1) explanatory diagram.

[Fig. 8] Fig. 8 is to show using freezing mackerel to manufacture the step that fresh fish (salt marsh mackerel) is evaporated off in epidermis of the invention The explanatory diagram of rapid 1 (embodiment 2).

[Fig. 9] Fig. 9 is to show that fresh fish (mackerel raw fish) is evaporated off to manufacture epidermis of the invention using freezing mackerel The explanatory diagram of 1 (embodiment 3) of step.

[Figure 10] Figure 10 is to show to produce freezing saury using Japan fresh fish is evaporated off manufacturing epidermis of the invention (to salt down the autumn Hairtail) the step of 1 (embodiment 4) explanatory diagram.

[Figure 11] Figure 11 is to show that fresh fish (salt marsh is evaporated off to manufacture epidermis of the invention using Japan production freezing saury Saury) the step of 1 (embodiment 5) explanatory diagram.

[Figure 12] Figure 12 is to show that fresh fish (autumn knife is evaporated off to manufacture epidermis of the invention using Japan production freezing saury Fish raw fish) the step of 1 (embodiment 6) explanatory diagram.

[Figure 13] Figure 13 is to show to generate fresh scad using Japan to manufacture epidermis of the invention and fresh fish be evaporated off (salt down bamboo Pod fish) the step of 1 (embodiment 7) explanatory diagram.

[Figure 14] Figure 14 is to show that fresh fish (salt marsh is evaporated off to manufacture epidermis of the invention using the Japan fresh scad of generation Scad) the step of 1 (embodiment 8) explanatory diagram.

[Figure 15] Figure 15 is to show that fresh fish (bamboo pod is evaporated off to manufacture epidermis of the invention using the Japan fresh scad of generation Fish raw fish) the step of 1 (embodiment 9) explanatory diagram.

[Figure 16] Figure 16 is the explanatory diagram for illustrating an example of manufacturing device of the fresh fish for having edible epidermis of the invention.

[Figure 17] Figure 17 is to will control hot wind for defined temperature and air quantity on the direction intersected with moving direction What curtain blowed that an example in the state of the epidermis of fresh fish raw material is illustrated from the nozzle of hot air generator (not shown) froms the perspective of Bright figure.

[Figure 18] Figure 18 is made to the manufacturing device for using the fresh fish for having edible epidermis of the invention shown in Figure 16 The air quantity of hot wind be it is constant and change movement speed (longitudinal axis), the result that the temperature (horizontal axis) of hot wind is tested is summarized simultaneously Curve obtained by described point.

[Figure 19] Figure 19 is viewed from above for mobile fresh fish raw material, will on the direction intersected with moving direction Control be defined temperature and air quantity warm air curtain be controlled in fresh fish raw material epidermis whole face and continuously not shown heat The explanatory diagram when situation that the nozzle of wind generation apparatus blows.

[Figure 20] Figure 20 is the cross section explanatory diagram of the fresh fish for having edible epidermis of the invention.

[Figure 21] Figure 21 is saying for an example for the other manufacturing devices for illustrating the fresh fish for having edible epidermis of the invention Bright figure.

[Figure 22] Figure 22 is saying for an example for the other manufacturing devices for illustrating the fresh fish for having edible epidermis of the invention Bright figure.

[Figure 23] Figure 23 is saying for an example for the other manufacturing devices for illustrating the fresh fish for having edible epidermis of the invention Bright figure.

[Figure 24] Figure 24 is saying for an example for the other manufacturing devices for illustrating the fresh fish for having edible epidermis of the invention Bright figure.

[Figure 25] Figure 25 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 10 with the temperature of hot wind Fruit is summarized and curve obtained by described point.

[Figure 26] Figure 26 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 11 with the temperature of hot wind Fruit is summarized and curve obtained by described point.

[Figure 27] Figure 27 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 12 with the air quantity of hot wind Fruit is summarized and curve obtained by described point.

[Figure 28] Figure 28 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 13 with the air quantity of hot wind Fruit is summarized and curve obtained by described point.

[Figure 29] Figure 29 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 14 with the air quantity of hot wind Fruit is summarized and curve obtained by described point.

[Figure 30] Figure 30 is with movement speed for (longitudinal axis), is the experiment knot of (horizontal axis) to embodiment 15 with the air quantity of hot wind Fruit is summarized and curve obtained by described point.

[Figure 31] Figure 31 is with movement speed for (longitudinal axis), is (horizontal axis) to embodiment 15 and embodiment with the air quantity of hot wind 16 experimental result is summarized and curve obtained by described point.

[Figure 32] Figure 32 is the explanatory diagram being illustrated to the width and depth of the nozzle of hot air generator.

[Figure 33] Figure 33 (a) be the epidermis for removing fresh fish raw material before fresh fish raw material cross sectional microscopy photo, (b) be remove fresh fish raw material by hand well with hand epidermis after cross sectional microscopy photo, (c) of fresh fish raw material be Remove the cross sectional microscopy photo of the fresh fish raw material after the epidermis of fresh fish raw material by hand with the bad ground of hand.

[Figure 34] Figure 34 (a) be obtained by embodiment 13 is heat-treated with 450 DEG C of hot wind it is of the invention have it is edible The cross sectional microscopy photo of the fresh fish of epidermis is (b) this hair obtained by being heat-treated in embodiment 15 with 750 DEG C of hot wind The cross sectional microscopy photo of the bright fresh fish for having edible epidermis.

[Figure 35] Figure 35 is the cross section explanatory diagram of fresh fish raw material or the fresh fish raw material of freezing.

[Figure 36] Figure 36 is the explanatory diagram for illustrating to remove an example of the existing method of the epidermis of fresh fish raw material.

[Figure 37] Figure 37 is the explanatory diagram for illustrating to remove an example of existing other methods of epidermis of fresh fish raw material.

[Figure 38] Figure 38 is the explanatory diagram for illustrating to remove an example of existing other methods of epidermis of fresh fish raw material.

Specific embodiment

Hereinafter, using attached drawing, the present invention is described in detail.

Fig. 1 is to illustrate that the explanatory diagram of an example of the manufacturing device of fresh fish is evaporated off in epidermis of the invention.

In Fig. 1,10 indicate that the manufacturing device of fresh fish is evaporated off in epidermis of the invention, and 11 indicate the fresh fish that mounting is supplied Raw material 1 is simultaneously allowed to the raw material mobile device mobile to moving direction 25 shown in arrow, and 12 be laser beam generating device, and 13 are The laser beam 14 occurred by laser beam generating device 12 is scanned on the direction intersected with moving direction 25 on one side It is controlled in the epidermis whole face of fresh fish raw material 1 on one side and continuously carries out a scanner unit for irradiation, 15 is for irradiating Fresh fish raw material 1 is non-contactly detected before laser beam 14 arrived the raw material detection device of specified position, and 16 is for controlling Make the control device of these devices.17 indicate product withdrawing device, and 18 indicate vacuum packaging equipment, and 19 indicate through vacuum-packed Fresh fish 20 is evaporated off in epidermis.

Control device 16 sends signal so that fresh fish raw material 1 is with preset movement speed to raw material mobile device 11 Conveyed, if while fresh fish raw material 1 arrived the signal of specified position and be sent to control device from raw material detection device 15 When 16, then signal is sent from control device 16 to laser beam generating device 12 to generate the pre- wave for first passing through the settings such as experiment The laser beam of length, power etc., and send on one side from control device 16 to scanner unit 13 to first pass through the setting such as experiment in advance Scanner speed and waving angle etc. by the laser beam conveyed by laser beam generating device 12 with moving direction 25 It is scanned on the direction of intersection, is controlled in the epidermis whole face of fresh fish raw material 1 on one side and continuously carry out a signal for irradiation, Then fresh fish raw material 1 is carried out in advance in the clock circuit of control device 16 through (such as the reality as described below such as experiment Test evaluation example) setting regular hour laser scanner operation, the corium for obtaining the lower part of epidermis is undamaged, only epidermis Through being evaporated off, fresh fish 20 is evaporated off in edible epidermis in the state of life.

Signal in subsequent fresh fish raw material 1 does not enter raw material detection device 15(detection sensor) in when, then send With regard to this stop signal, if but in aforesaid operations subsequent fresh fish raw material 1 by raw material detection device 15(detection sensor) inspection When measuring, then clock time is reset, again repeatedly aforesaid operations of certain time.

Fig. 2 is to illustrate to sweep laser beam 14 from the manufacturing device 10 that fresh fish is evaporated off in epidermis of the invention (not shown) Retouch the explanatory diagram of an example of the state for the epidermis 2 that 13 points of device unit are irradiated in fresh fish raw material 1.3 indicate corium, and 4 indicate fat Layer and 5 indicates muscle layer.

(experimental evaluation example)

The situation that epidermis side has laser trace (being charred trace) is then determined as that the corium 3 of the lower part of epidermis 2 is impaired.

Epidermis side is not charred, it is seen that the situation of microscopic laser trace be then determined as the corium 3 of the lower part of epidermis 2 not by Damage.In turn, it is placed in mouth and is tested by functions such as mouthfeels to be confirmed.

Experimental evaluation in this way can determine the irreducible minimum for making the mouthfeel of epidermis 2 disappear for the fingerling class Thermal energy, while may further determine that the thermal energy of the maximum limit before will burning.

It is evaluated according to experimental evaluation as described above, as long as appearance mouthfeel etc. is good, about its fingerling class, if The thermal energy for the irreducible minimum for making the mouthfeel of epidermis 2 disappear is supplied to be handled or be supplied the heat of the maximum limit before will burning Energy comes to be handled or be supplied the thermal energy of the thermal energy more than aforementioned irreducible minimum and the thermal energy less than aforementioned maximum limit It is handled, most suitable heat treatment condition can be easily found out the difference such as the type of fish, size, place of production, it is available The corium 3 of the lower part of epidermis 2 is undamaged, and only epidermis 2 is through being evaporated off, the original appearance of fresh fish raw material, freshness, original taste Road is maintained, and taste, mouthfeel are excellent, and fresh fish is evaporated off in the epidermis that can be eaten in the state of life.

In addition, to be fed through the power density that the measuring method that aftermentioned embodiment 1 is recorded measures be 0.036~ 0.109(W/mm²) range thermal energy and when only epidermis being evaporated off, include salt down mackerel, salt marsh mackerel, mackerel raw fish, Salt down the fingerling class of saury, salt marsh saury, saury raw fish, the scad that salts down, salt marsh scad, scad raw fish etc. In situation, fresh fish raw material wholesomely can be easily manufactured really with high finished product rate and freshness, appearance were tieed up originally It holds, taste, mouthfeel are excellent, and fresh fish is evaporated off in edible epidermis in the state of life.

Power density 0.036(W/mm²) it is equivalent to the thermal energy for the irreducible minimum for making the mouthfeel of epidermis 2 disappear, power density 0.109(W/mm²) it is equivalent to the thermal energy of the maximum limit before will burning.

Fig. 3 (a)~(c) is schematically to illustrate to be irradiated in the effect of epidermis Shi Youqi thermal energy bring for 14 points of laser beam Cross section explanatory diagram.

As shown in Fig. 3 (a), laser beam 14 is irradiated in life from 13 points of scanner unit of manufacturing device 10 of the invention When the epidermis 2 of fresh fish raw material 1, as shown in Figure 3 (b), the cytoclasis of epidermis 2 is generated due to its irradiation thermal energy, or occur It is heat-shrinked, while the corium 3 of lower part is undamaged, and generates as shown by arrows that only the shape well carried out is evaporated off in epidermis 2 State.

But as shown in Figure 3 (c), if the energy of laser beam 14 it is too strong or carry out long-time excessive radiation, can also There are interior pressure result etc. caused by the escaping gas such as water vapour, corium 3, fat deposit 4 or the muscle layer 5 of lower part etc. It is impaired, epidermis 2 can not only be evaporated off.

Fig. 4 be it is viewed from above for mobile fresh fish raw material 1 make laser beam 14 with movement side shown in arrow Transverse shifting on one side scan while on the direction of 25 intersections, and is controlled and continuous place is irradiated in fresh fish raw material 1 Explanatory diagram when 2 entire situation of epidermis.

Due to making 14 transverse shifting of laser beam, because without make such as belt conveyor of raw material mobile device 12 into Row transverse shifting.

Fig. 5 is the cross section explanatory diagram that fresh fish is evaporated off in the epidermis manufactured in the present invention.The hot spot for controlling laser beam 14 is straight Diameter, sweep length, scanning speed, selection wavelength, irradiation time, power density, operating distance etc. and control and be supplied to irradiation energy Amount, when continuously carrying out an irradiation to the whole face of the epidermis 2 of fresh fish raw material 1 and supplying defined thermal energy, as shown in figure 5, The corium 3 of the lower part of available epidermis 2 is undamaged, and fresh fish 20 is evaporated off in the epidermis that only epidermis 2 is evaporated off.

Laser beam 14 can be such as carbon dioxide laser or YAG laser, can be continuous wave and is also possible to pulse Wave, wavelength needs are the selection wavelength selected from the excellent wavelength group of water absorption.As long as selecting wavelength, do not have It is particularly limited to, but preferably uses 3~15 μm of wavelength of laser beam.

This is because 3~15 μm of wavelength of laser beam is the excellent representative laser beam of water absorption, thus should Laser beam generating device etc. obtains with being also easy economy, can more really using the laser beam in aforementioned wave-length coverage Freshness is easily manufactured in ground wholesomely with high finished product rate, original appearance is maintained, and taste, mouthfeel are excellent, even if Also fresh fish is evaporated off in edible epidermis in the state of life.When less than 3 μm of wavelength and more than 15 μm, it is likely that moisture absorption Property is poor, irradiation time is elongated, it is uneconomical to become.

Fresh fish is evaporated off in resulting epidermis to be eaten by 10 tasters, is obtained in the test result of taste mouthfeel etc. Mouthfeel determine in tooth touching (Dentistry touch り), chewing when meat separation (meat is from れ) etc. dramatically increase, taste also excellent good knot Fruit.

Epidermis of the invention is evaporated off in the manufacturing device 10 of fresh fish, before the irradiation of laser beam 14, is examined by raw material Measurement equipment 15 detects whether the fresh fish raw material 1 flowed on the route of raw material mobile device 11 has been delivered in a non contact fashion Specified position, whereby, the signal by carrying out self-control device 16 carry out laser beam generating device 12 and scanner unit 13 Control, thus human contact can not needed and complete to process with the state of safety.

The raw material mobile device 11 of fresh fish raw material used in the present invention is not particularly limited, and belt conveying can be used Installation method well known to machine etc..Also commercially available installation method can be used.

More than, to the selection wavelength of laser beam, power, irradiation time, power density, spot diameter, sweep length, work Make distance (distance from laser light irradiation source to fish surface), scanning speed etc. to be recorded, but they can be according to fingerling Class, size, moisture containing ratio, season, capture place etc. and it is different, thus be preferably determined to by pre-trial in short-term Between internal efficiency the condition of epidermis is only evaporated off well.

Product withdrawing device 17 used as needed, vacuum packaging equipment 18 are not particularly limited in the present invention, can be with Use well known installation method.Also commercially available installation method can be used.

The 1 of the step of fresh fish is evaporated off in epidermis is manufactured to using epidermis of the invention that the manufacturing device 10 of fresh fish is evaporated off Example is illustrated.

For example, including at least following step (1)~(2) and including the following steps (3)~(4) as needed.

Step (1) is using fresh fish raw material or to freeze fresh fish raw material, then that it is straight in the situation of fresh fish raw material It connects as raw material, then using the fresh fish of the defrosting thawed as raw material in the situation for freezing fresh fish raw material, by these Fresh fish raw material carries out hacking processing and/or the step of processing and preparing processed goods of boning as needed.

Step (2) is that the raw material prepared in step (1) is placed in raw material mobile device, is that fixing speed is moved for control Dynamic aforementioned raw material, it is controlled preparatory by being supplied by laser beam generating device on the direction intersected with moving direction The laser beam of the selection wavelength of setting is controlled in its epidermis whole face and continuous place irradiation, successively equal to its epidermis whole face whereby The thermal energy for supplying specified amount evenly only carries out aforementioned epidermis in the case of not damaging the corium of lower part of aforementioned epidermis It is heat-treated and is allowed to the step of being evaporated off.

It is preferred that sending the laser beam of the preset selection wavelength occurred by laser beam generating device to scanner Unit is controlled in its table with the speed of preset scanner while being scanned on the direction intersected with moving direction Skin whole face and the continuous place of laser beam is irradiated, carry out successively being supplied uniformly across epidermis whole face defined thermal energy whereby, In the case of not damaging the corium of lower part of aforementioned epidermis, the heat treatment of aforementioned epidermis is only evaporated off.

If the signal that fresh fish raw material 1 arrived specified position is sent to control device 16 from raw material detection device 15, Signal is sent from control device 16 to laser beam generating device 12 to generate the laser of the pre- power for first passing through the settings such as experiment Light, and sending from control device 16 to scanner unit 13 on one side will with the speed for first passing through the scanner of the settings such as experiment in advance The laser beam conveyed by laser beam generating device 12 is scanned on the direction intersected with moving direction, is controlled on one side The epidermis whole face of fresh fish raw material 1 and the signal for continuously carrying out irradiation, carry out in control device 16 fresh fish raw material 1 The laser scanner operation for first passing through the regular hours of settings such as experiment in clock circuit in advance, obtains the true of the lower part of epidermis Skin is undamaged, and only epidermis is through being evaporated off, and fresh fish is evaporated off in edible epidermis in the state of life.

1 of laser light irradiation condition:

1. power: 30W

2. selecting wavelength: 10.57~10.63 μm

3. irradiation time: 5~15 seconds

4. power density:

Step (3) is the step of taking out product by product withdrawing device.

Step (4) is to freeze the product of taking-up as needed and carry out vacuum-packed step.Step (3), (4) It is the step of progress as needed, for example, it is preferable to use product withdrawing device 17 in the situation for saving product steadily in the long term It takes out, vacuum sealed package is carried out by vacuum packaging equipment 18 immediately and freezes, or carry out vacuum sealing packet after the freezing It fills and saves.

Figure 16 is the explanatory diagram for illustrating an example of manufacturing device of the fresh fish for having edible epidermis of the invention.

In Figure 16,10-1 indicates the manufacturing device of the fresh fish for having edible epidermis of the invention, and 11 indicate to be supplied Fresh fish raw material 1 moved by loading epidermis 2 in a manner of upward and being allowed to the mobile raw material of moving direction 25 shown in arrow Dynamic device, 12-1 indicate hot air generator, are configured to the hot wind that via nozzle 13-1, will be occurred by hot air generator 12-1 The epidermis whole face of fresh fish raw material 1 is sprayed and is controlled on the direction intersected with moving direction 25 in the form of warm air curtain 14-1 And it is continuously blowed.15 be the raw material detection device for non-contactly detecting fresh fish raw material 1 before blowing hot wind, 16-1 is the control device for controlling these devices.17 indicate product withdrawing device, and 18 indicate vacuum packaging equipment, 19-1 table Show through the vacuum-packed fresh fish 20-1 for having edible epidermis 2-1.

Control device 16-1 include following control and obtain fresh fish 20-1: Xiang Yuan for having edible epidermis 2-1 Expect that mobile device 11 sends signal so that fresh fish raw material 1 is conveyed with preset movement speed, while being examined from raw material Measurement equipment 15, which receives fresh fish raw material 1, arrived the signal of specified position, sends to hot air generator 12-1 and occurs to set in advance The signal of the hot wind of fixed temperature and air quantity, from the nozzle 13-1 of hot air generator 12-1, what is intersected with moving direction 25 Control is controlled for the warm air curtain 14-1 of defined temperature and air quantity on direction and is continuously blowed to fresh fish raw material 1 2 whole face of epidermis is successively supplied uniformly across defined thermal energy to 2 whole face of epidermis whereby, is not damaging the lower part of aforementioned epidermis 2 In the case of corium 3, only aforementioned epidermis 2 is heat-treated and is changed into edible epidermis 2-1.

Signal in subsequent fresh fish raw material 1 does not enter raw material detection device 15(detection sensor) in when, then send With regard to this stop signal, if but in aforesaid operations subsequent fresh fish raw material 1 by raw material detection device 15(detection sensor) When detecting, then it is repeated once aforesaid operations again.

Figure 17 is filled to the hot wind of the manufacturing device of the not shown fresh fish for having edible epidermis of the invention The nozzle 13-1 of 12-1 is set, to blow control to the epidermis 2 of fresh fish raw material 1 with the direction that moving direction 25 intersects shown in arrow The explanatory diagram that an example of the state of the warm air curtain 14-1 of temperature as defined in being made as and air quantity is illustrated.3 indicate corium, and 4 indicate Fat deposit and 5 indicates muscle layer.

Figure 32 is the spray to the hot air generator 12-1 of the manufacturing device of the fresh fish for having edible epidermis of the invention The explanatory diagram that the width and depth of mouth 13-1 is illustrated.Equivalent width of the width of nozzle 13-1 preferably with fresh fish raw material 1, If excessive compared with the width of fresh fish raw material 1, energy loss becomes larger, if smaller compared with the width of fresh fish raw material 1, It is possible that can not be uniformly heated up.Using by the processed goods (hacking) that thaws of freezing mackerel used in aftermentioned embodiment When, the width of nozzle 13-1 is set as 8cm.

If keeping opening area too small, the resistance of nozzle 13-1 becomes larger, and energy loss becomes larger, and loss becomes larger, accumulation of heat Or damage the reason of becoming larger, being likely to become failure.

If opening area is excessive, even identical air quantity, flow velocity also reduce, treatment effeciency be may be decreased.

It is different thus excellent according to the type of fish, size, the form of processed goods, the type of manufacturing device, speed of production etc. Choosing is tested to determine respectively suitable width and depth in advance.

Hot wind after heat treatment directly or after carrying out chemistry and/or physical treatment can be recycled and be used 1 time or more.

Have the fresh of edible epidermis to the manufacturing device for using the fresh fish for having edible epidermis of the invention to manufacture 1 of the step of fish is illustrated.

Step (2) is that the raw material prepared in step (1) is placed in raw material mobile device, is that fixing speed is moved for control The controlled hot wind supplied by hot air generator is controlled in by dynamic aforementioned raw material on the direction intersected with moving direction Its epidermis whole face and continuously blowed in a manner of warm air curtain, the thermal energy of specified amount is successively evenly supplied to its epidermis whole face whereby Amount is only heat-treated aforementioned epidermis and be allowed to be changed into can in the case of not damaging the corium of lower part of aforementioned epidermis The step of eating epidermis.

When being only heat-treated by aforementioned epidermis and be made as edible epidermis, for example, as be described hereinafter shown in Figure 18, before changing in advance The air quantity for stating the movement speed of raw material, the temperature of hot wind and hot wind, find out display only aforementioned epidermis can be heat-treated and It is allowed to be changed into the curve 1 of the boundary of edible epidermis and display can be in the case of damaging corium only to the progress of aforementioned epidermis The curve 2 of the boundary of heat treatment, if using movement speed, the temperature of hot wind in the range of being surrounded by curve obtained 1 and curve 2 The air quantity of degree and hot wind implements abovementioned steps (2), even if the then differences such as the type, size of fish, place of production, also can more really, Wholesomely it is easily manufactured the fresh fish for having edible epidermis with high finished product rate, therefore it is preferred that.

Step (3) is to be allowed to be changed into the product of edible epidermis by only aforementioned epidermis is heat-treated in step (2) The step of being taken out using product withdrawing device.

Step (4) is the step of the product of taking-up is vacuum-packed and is freezed as needed.Step (3), (4) are roots According to the step of carrying out is needed, for example, it is preferable to use product withdrawing device 17 takes in the situation for saving product steadily in the long term Out, vacuum sealed package is carried out by vacuum packaging equipment 18 immediately and freezed, or carry out vacuum sealed package after the freezing And it saves.

(air quantity of the movement speed of preparatory feed change, the temperature of hot wind and hot wind, finding out display can be only to aforementioned table The curve 1 that skin is heat-treated and is allowed to be changed into the boundary of edible epidermis can be in the case of not damaging corium only with display The test example of the curve 2 for the boundary that aforementioned epidermis is heat-treated)

It is illustrated using Figure 18.

Figure 18 is the hot wind using the manufacturing device 10-1 of the fresh fish for having edible epidermis of the invention shown in Figure 16 Generating device 12-1(nozzle width: 8cm, nozzle depth: 15mm, spray nozzle front end are about 5mm at a distance from processed goods), for cold Freeze the processed goods that thaws of mackerel, the air quantity of hot wind be set as 300 liters/min, change processed goods movement speed (longitudinal axis), The temperature (horizontal axis) of hot wind is tested, to resulting following result summarize and described point obtained by curve.That is, including display Can bite broken the boundary (that is, boundary that edible epidermis can be changed into) of epidermis curve 1 and be shown in corium it is undamaged in the case of The only curve 2 of the thermally treated boundary of epidermis.

(experimental result)

。

(evaluation method)

Only epidermis is heat-treated and can be bitten broken the boundary (that is, boundary that edible epidermis can be changed into) of epidermis, Such as the example of 300 liters/min of progress is fixed as to be illustrated with the air quantity of hot wind, then it specifically refers to following meaning: scheming In 18, if 300 DEG C of the temperature of the hot wind shown in the big arrow of the left part of curve 1 and movement speed 100cm/ minutes or moving Dynamic speed is that can then bite epidermis broken when being handled under the conditions of 100cm/ minutes below and (carry out function by judging group membership Test, can test enters the mouth bite broken or the measuring method by being recorded with aftermentioned embodiment measures the side for being broken loading etc. Method etc. determines), if being handled under conditions of movement speed is more than 100cm/ minutes, epidermis can not be bitten broken.It will be hot The temperature of wind is more than 300 DEG C and is further increased to 450 DEG C, 600 DEG C, 750 DEG C, and is tested in the same manner, and thus production is bent Line 1.

On the other hand, in the case of corium is undamaged only the thermally treated boundary of epidermis (that is, epidermis can be made to be changed into can Eat epidermis, but the impaired boundary of corium), such as the example of 300 liters/min of progress is fixed as to illustrate, then with the air quantity of hot wind Specifically refer to following meaning: in Figure 18, if 300 DEG C of the temperature of the hot wind shown in the small arrow of the left part of curve 2 and shifting Dynamic speed 40cm/ minute or its above under conditions of handled, then can be heat-treated in the case of corium is undamaged (can To be eaten by 10 people of taster, the afore-mentioned test of taste mouthfeel etc. is carried out, meat separation when determining mouthfeel, taste, chewing etc. When, at the same test whether in the case of corium is undamaged only epidermis is changed into edible epidermis to determine.Or it can be by visual observation Or micro- sem observation is carried out to determine), if being handled under conditions of movement speed is less than 40cm/ minutes, corium is impaired. The temperature of hot wind is more than 300 DEG C and is further increased to 450 DEG C, 600 DEG C, 750 DEG C, and is tested in the same manner, is thus made Make curve 2.

Although instantiating the example that the air quantity of hot wind is fixed as 300 liters/min of progress, change heat can according to need The air quantity of wind makes the curve 1,2 corresponding to the air quantity of each hot wind as hereinbefore.

In this way, the mobile speed in the range of being surrounded using curve 1 obtained by the air quantity for corresponding to each hot wind and curve 2 The temperature of degree, hot wind is implemented abovementioned steps (2), even if the thus differences such as fingerling class, size, place of production, can also easily find out Most suitable heat treatment condition, can more really, the fresh fish for having edible epidermis is wholesomely easily manufactured with high finished product rate.

Including the mackerel that salts down, salt marsh mackerel, mackerel raw fish, the saury that salts down, salt marsh saury, saury raw fish, salt down bamboo In the situation of the fingerling class of pod fish, salt marsh scad, scad raw fish etc., can really, wholesomely it be held with high finished product rate Change places and manufacture the original freshness of fresh fish raw material, appearance is maintained, taste, mouthfeel are excellent, even if in the state of life Also the edible fresh fish for having edible epidermis.

Explanatory diagram when Figure 19 is following situations viewed from above: being regulation by control for mobile fresh fish raw material 1 Temperature and the warm air curtain 14-1 of air quantity be controlled in and have with direction that moving direction 25 intersects from (not shown) of the invention The nozzle 13-1 of the hot air generator 12-1 of the manufacturing device 10-1 of the fresh fish of edible epidermis is continuously blowed in fresh fish The entire situation of the epidermis of raw material 1.

When using warm air curtain 14-1, do not need to make such as belt conveyor of raw material mobile device 12 to carry out transverse shifting. Equivalent width of the width of nozzle 13-1 preferably with fresh fish raw material 1 can if excessive compared with the width of fresh fish raw material 1 Amount loss becomes larger, if smaller compared with the width of fresh fish raw material 1, it is likely that can not be uniformly heated up.A in Figure 19 is indicated The maximum width of fresh fish raw material 1, b indicate the width of warm air curtain 14-1.B is preferably identical as a, or more slightly larger than a.

Figure 20 is the cross section explanatory diagram of the fresh fish for having edible epidermis of the invention.Can obtain controlling hot wind and Be allowed to successively uniformly in contact with obtained by the epidermis whole face of fresh fish raw material, it is undamaged in the corium 3 of the lower part of aforementioned epidermis The only aforementioned epidermis 2 fresh fish 20-1 for having edible epidermis 2-1 that is thermally treated and being changed into edible epidermis 2-1 under situation.

The edible epidermis 2-1 some of fresh fish 20-1 can be used by heat treatment conditions such as heat treatments under relative low temperature Naked eyes see that some is slightly difficult to visually see by heat treatment conditions such as heat treatments under relatively-high temperature, but can be used Microscope is seen.Edible epidermis 2-1 is implicitly present in, but its thickness or appearance etc. are different according to heat treatment condition.

Have the original appearance of the fresh fish raw material of the fresh fish 20-1 of edible epidermis 2-1, freshness, taste to be tieed up It holds, taste, mouthfeel are excellent, edible in the state of life.

The resulting fresh fish 20-1 for having edible epidermis 2-1 is eaten by 10 tasters, in the examination of taste mouthfeel etc. Test in result obtained mouthfeel determine in tooth touching, chewing when meat separation etc. dramatically increase, taste also excellent good result.

In the manufacturing device 10-1 of the fresh fish for having edible epidermis of the invention shown in Figure 16, set by raw material detection Standby 15 detect the fresh fish raw material 1 flowed on the route of raw material mobile device 11 before the blowing of hot wind in a non contact fashion is It is no to be delivered to specified position, whereby, by carrying out the signal of self-control device 16-1, hot air generator 12-1 occurs preparatory The temperature of setting and the hot wind of air quantity, and from the nozzle 13-1 of hot air generator 12-1, in the side intersected with moving direction 25 Control is controlled for the warm air curtain 14-1 of defined temperature and air quantity upwards and is continuously blowed in the table of fresh fish raw material 1 Skin whole face, so that defined thermal energy is successively supplied uniformly across to epidermis whole face, the corium in the lower part for not damaging aforementioned epidermis 2 Only aforementioned epidermis 2 is heat-treated in the case of 3 and is changed into edible epidermis 2-1, due to so being controlled, thus can be with It does not need human contact and completes to process with the state of safety.

Figure 21 is the explanatory diagram for illustrating the example of other manufacturing devices of the fresh fish for having edible epidermis of the invention.

In Figure 21, the example that 10-2 indicates other manufacturing devices of the fresh fish for having edible epidermis of the invention, 11-1, 11-2 indicates to load the fresh fish raw material 1 supplied in the mode for keeping epidermis 2 downward and be allowed to mobile to arrow direction 25 Raw material mobile device, 12-1 indicate hot air generator, are configured to via nozzle 13-1, will be occurred by hot air generator 12-1 Hot wind sprayed upwardly towards in the form of warm air curtain 14-1 in the side intersected with moving direction 25 and be controlled in fresh fish raw material 1 Epidermis whole face and continuously blow (referring to extract figure).15 be former for non-contactly detecting fresh fish before blowing hot wind The raw material detection device of material 1,16-1 is the control device for controlling these devices.17 indicate product withdrawing device, and 18 indicate Vacuum packaging equipment, 19-1 are indicated through the vacuum-packed fresh fish 20-1 for having edible epidermis 2-1.

The manufacturing device 10-2 of the fresh fish for having edible epidermis of the invention in the direction of travel in parallel across 1~ 2cm's is arranged at intervals with 2 raw material mobile devices 11-1 and 11-2.Between when being divided into 1~2cm, can not make it is mobile fresh Fish raw material 1(, which thaws, freezes processed goods obtained by mackerel used in aftermentioned embodiment) it is fallen to from a raw material mobile device 11-1 Position as defined in maintaining on one side in the case of another raw material mobile device 11-2 etc., is smoothly moved on one side.Then, hot wind is sent out The nozzle 13-1 of generating apparatus 12-1 is configured in aforementioned interval, via nozzle 13-1, by what is occurred by hot air generator 12-1 Hot wind is sprayed upwardly towards in the side intersected with moving direction 25 in the form of warm air curtain 14-1 and is controlled and continuously blow It send in the epidermis whole face of fresh fish raw material 1.Nozzle 13-1 is set as about 5mm at a distance from fresh fish raw material 1.

Control device 16-1 include following control and obtain fresh fish 20-1: Xiang Yuan for having edible epidermis 2-1 Expect that mobile device 11-1,11-2 sends signal so that fresh fish raw material 1 is conveyed with preset movement speed, while from Raw material detection device 15, which receives fresh fish raw material 1, arrived the signal of specified position, sends and occurs to hot air generator 12-1 The signal of the hot wind of predetermined temperature and air quantity, from the nozzle 13-1 of hot air generator 12-1, with moving direction 25 Control is controlled for the warm air curtain 14-1 of defined temperature and air quantity on the direction of intersection and is continuously blowed upward to life The epidermis whole face of fresh fish raw material 1, is successively supplied uniformly across defined thermal energy to epidermis whole face whereby, is not damaging aforementioned epidermis In the case of the corium 3 of 2 lower part, only aforementioned epidermis 2 is heat-treated and is changed into edible epidermis 2-1.

In the situation of the manufacturing device 10-1 of the fresh fish for having edible epidermis of the invention shown in Figure 16, via hot wind The nozzle 13-1 of generating device 12-1 is sprayed on the direction intersected with moving direction 25 downward in the form of warm air curtain 14-1 And continuously blow in the epidermis whole face of fresh fish raw material 1, thus the hot wind after heat treatment becomes ascending air, sometimes from outer The reason of portion heats hot air generator 12-1 etc. and becomes failure.

In addition hot air generator 12-1 etc. is cooled down so there are needs, or needs to try every possible means so that rising gas The case where stream will not be contacted with hot air generator 12-1 etc..

In contrast, the situation of the manufacturing device 10-2 of the fresh fish for having edible epidermis of the invention shown in Figure 21 In, via the nozzle 13-1 of hot air generator 12-1, in the form of warm air curtain 14-1, in the direction intersected with moving direction 25 On spray and continuously blowed in the epidermis whole face of fresh fish raw material 1 upward, because without following problems: the hot wind after heat treatment The reason of being contacted with hot air generator 12-1 etc., being heated from outside and become failure etc..

The gas componant of hot wind used in the present invention is not particularly limited, and can specifically enumerate such as air, can enumerate nitrogen, Bluster, overheat comprising carbon dioxide, moisture, exhaust etc. obtained by the inert gases such as argon, carbon dioxide, burn combustible fuel Steam such as water vapour etc..

They can be used alone, and can also combine two or more use.

Hereinafter, using attached drawing to using bluster obtained by burn combustible fuel when example be illustrated.

Figure 22 is the explanatory diagram for illustrating the example of other manufacturing devices of the fresh fish for having edible epidermis of the invention.

The other manufacturing device 10-3 for the fresh fish for having edible epidermis of the invention recorded in Figure 22 are constituted are as follows: in heat Burner 26, fan 28 are set in wind generation apparatus 12-1, combustible fuel will be supplied to burner 26 and are allowed to burn and send out Hot wind around raw bluster 27 and bluster 27, is conveyed fan 28 and via nozzle 13-1 and in the form of warm air curtain 14-1 (referring to figure is extracted) sprays upwardly towards in the side intersected with moving direction 25 and is controlled and continuously blow in fresh fish The epidermis whole face of raw material 1, in addition to this, the manufacturing device with the fresh fish for having edible epidermis of the invention shown in Figure 21 10-2 is identical.

It can be by carrying out obtaining the fresh fish 20-1 for having edible epidermis 2-1 and including following control: by by hot wind Curtain 14-1 is controlled in 2 whole face of epidermis and is continuously blowed, to successively be supplied uniformly across defined thermal energy to 2 whole face of epidermis Amount, in the case of not damaging corium 3 of lower part of aforementioned epidermis 2, is only heat-treated aforementioned epidermis 2 and is allowed to be changed into Edible epidermis 2-1.

Figure 23 is the explanatory diagram for illustrating the example of other manufacturing devices of the fresh fish for having edible epidermis of the invention.

The other manufacturing device 10-4 for the fresh fish for having edible epidermis of the invention recorded in Figure 23 are constituted are as follows: make to supply To the combustible fuel burning to the gas nozzle 13-2 for being installed on the hot air generator 12-2 comprising storage cylinder, will be formed in The warm air curtain 14-1 of the top of generated 27 ー 1 of bluster sprays upwardly towards in the side intersected with moving direction 25, and controls In fresh fish raw material 1 epidermis whole face and continuously blowed, in addition to this, with shown in Figure 21 it is of the invention have it is edible The manufacturing device 10-2 of the fresh fish of epidermis is identical.

Figure 24 is the explanatory diagram for illustrating the example of other manufacturing devices of the fresh fish for having edible epidermis of the invention.

The other manufacturing device 10-5 for the fresh fish for having edible epidermis of the invention recorded in Figure 24 are constituted are as follows: make to supply It, will be produced to the combustible fuel burning to the gas nozzle 13-2 for being installed on the hot air generator 12-2 comprising storage cylinder 27 ー 1 of bluster sprayed upwardly towards in the side intersected with moving direction 25, and be controlled in fresh fish raw material 1 epidermis whole face and Continuously blowed, in addition to this, the manufacturing device 10- with the fresh fish for having edible epidermis of the invention shown in Figure 21 2 is identical.

It can be by carrying out obtaining the fresh fish 20-1 for having edible epidermis 2-1 and including following control: by by bluster 27-1 is controlled in 2 whole face of epidermis and is continuously blowed, to successively be supplied uniformly across defined thermal energy to 2 whole face of epidermis Amount, in the case of not damaging corium 3 of lower part of aforementioned epidermis 2, is only heat-treated aforementioned epidermis 2 and is allowed to be changed into Edible epidermis 2-1.

To epidermis of the invention shown in FIG. 1 be evaporated off fresh fish manufacturing device 10 and Figure 16 shown in of the invention have The fresh fish for having edible epidermis of the invention shown in the manufacturing device 10-1 of the fresh fish of edible epidermis and Figure 21~24 The example that is respectively used alone of manufacturing device 10-2~10-5 be illustrated, but be not limited to respectively individually make in the present invention With for example, it is also possible to which the present invention shown in the manufacturing device 10 of fresh fish, Figure 16 is evaporated off in epidermis of the invention shown in FIG. 1 The fresh fish for having edible epidermis manufacturing device 10-1 and Figure 21~24 shown in the of the invention life for having edible epidermis Manufacturing device 10-2~10-5 of fresh fish respectively uses multiple, they can also be applied in combination.

Specifically, the example for example constituted as follows can be enumerated: will be shown in manufacturing device 10-1 or Figure 21 shown in Figure 16 Manufacturing device 10-2 of the invention is changed into the epidermis of the upper surface of raw fresh material in the 1st manufacturing device edible using multiple Epidermis makes the epidermis below raw fresh material be changed into edible epidermis, in the 3rd manufacturing device in subsequent 2nd manufacturing device In so that the epidermis of 1 side of raw fresh material is changed into edible epidermis, the another side of raw fresh material is made in the 4th manufacturing device Epidermis is changed into edible epidermis.

As other concrete examples, the example for example constituted as follows can be enumerated: by manufacturing device 10-1 and figure shown in Figure 16 Manufacturing device 10-2 of the invention shown in 21 respectively uses 1, and the table of the upper surface of raw fresh material is made in the 1st manufacturing device 10-1 Skin is changed into edible epidermis, so that the epidermis below raw fresh material is changed into edible table in subsequent 2nd manufacturing device 10-2 Skin.

As other concrete examples, the example for example constituted as follows can be enumerated: manufacturing device 10-1 shown in Figure 16 is used It is multiple, in the 1st manufacturing device 10-1, make the upper surface of raw fresh material 1 and blowing from top to the warm air curtain 14-1 of lower section Epidermis 2 be changed into edible epidermis 2-1, epidermis 2 above is had been converted to the raw fresh material turn-over of edible epidermis 2-1, convey To subsequent 2nd manufacturing device 10-1, in the 2nd manufacturing device 10-1, by blowing from top to the warm air curtain 14- of lower section 1 and so that the epidermis 2 of the another side of raw fresh material 1 is changed into edible epidermis 2-1.

As other concrete examples, the example for example constituted as follows can be enumerated: warm air curtain 14-1 can be blowed using having The manufacturing device of the nozzle 13-1 of whole epidermises 2 around to raw fresh material 1, by the nozzle 13-1 from the manufacturing device to Whole epidermises 2 blows warm air curtain 14-1 around raw fresh material 1, makes epidermis 2 whole around the upper surface of raw fresh material 1 simultaneously It is changed into edible epidermis 2-1.

Fingerling class used in the present invention, can also enumerate: mackerel, scad, saury, catfish, green sweet fish, long beak Fish, gadus, wall pollack, coley, long-tail cod, hake, salmon, trout, yellowfin sole, Greenland halibut, flatfish, microcephaly Zhi Kong Xia Brave fish, red berycoid, nothing standby flat Rockfish, silver Yellowtail silvery pomfret, South Pole canine tooth fish, atka mackerel, Hei Bluefish, madai, six tooth red coats, head of the horse Fish, Nile perch, hairtail, scomberomorus niphonius, three line rock perch, catfish, Tilapia mossambica etc..

It in the situation of fresh fish raw material, can be used directly as fresh fish raw material, in the feelings for freezing fresh fish raw material It is then thawed in shape and is used as the fresh fish raw material that thaws.

It is then preferably removed when squama is on epidermis.It can not also then be removed when squama is under epidermis and as raw material.

These fresh fish raw materials are processed and the processed goods that the prepares fish raw material that can be belt leather is i.e. whole or to band Product obtained by the fish raw material of skin is processed, the product for being also possible to out abdomen gutting, are opened the product for removing head cheek internal organ Piece, meat piece, other free positions.

It is preferred that raw material fish is removed head, squama, fin, internal organ, piece at 3 obtain left and right meat 2 and as processed goods, frozen goods Situation then thaw according to well-established law, remove head, squama, fin, abdomen meat, internal organ, piece at 3 obtain left and right meat 2 and as adding Work product.

The explanation of above embodiment is not limit the hair recorded in patent claims for illustrating the present invention It is bright, or range is reduced.In addition, each section composition of invention is not limited to above embodiment, it can be in Patent right requirement Various modifications are carried out in the technical scope recorded in book.

Embodiment

Hereinafter, the present invention will be described in detail by embodiment, without departing from the spirit and scope of the invention, and in being defined in These embodiments.

The % recorded below indicates quality %.

(embodiment 1)

The manufacture of fresh fish is evaporated off using the epidermis of the invention shown in FIG. 1 for having following laser beam irradiation apparatus Device is manufactured epidermis of the invention according to step shown in Fig. 7 and fresh fish is evaporated off using freezing mackerel (salt down mackerel).

That is, raw material freezing mackerel is impregnated 1 hour in salt water, thaw, piece soaks in saturated brine at after 3 2 hours progress salt marsh of stain, impregnate 3 hours in seasoned vinegar and are marinated.

Then, the condition recorded in the measuring method of following power densities carries out when being evaporated off of epidermis, uses 3 Sample measures by measuring method shown in Fig. 6 (a) and (b) and finds out the irreducible minimum processing that the mouthfeel for carrying out making epidermis disappears (power density 0.036W/mm²) when fracture loading (g), epidermis fracture until fracture loading measuring machine plunger immersion Distance (mm) and gel strength (g cm), while the maximum limit processing (power density before will burn is found out in the same manner 0.055W/mm²) when fracture loading (g), be broken loading measuring machine plunger inside mackerel immersion distance (mm) and glue Body intensity (g cm), calculates separately average value and standard deviation, shows the result in table 1.The unit of fracture loading is indicated with newton.

It should be noted that loading (fracture loading) (g) when gel strength (g cm) is fracture × until being broken until Immersion distance (cm).

To the record on one column of peeling in Fig. 7 (by epidermis removed with hand or laser irradiation) be illustrated.

In embodiment 1, (carrying out laser irradiation to epidermis) and epidermis is evaporated off, carry out aforementioned fracture loading (g), immersion away from Measurement from (mm), gel strength (g cm) and yield rate (%), show the result in table 1, but in table 1 for comparing Sample (untreated) then by fresh fish raw material directly, i.e. have epidermis in the state of carry out aforementioned fracture loading (g), immersion away from Measurement from (mm), gel strength (g cm), shows the result in table 1.

Then, it for the yield rate measured in embodiment 1, as shown in table 2, also measures and does not carry out laser light irradiation processing And yield rate when by epidermis (being removed with hand), it the results are shown in non-treated (peeling) one of table 2.

As described above, (by epidermis with hand remove or laser irradiation) indicate carry out laser irradiation processing in embodiment 1, be Compare, the situation of (removing epidermis with hand) also tested.

Other Fig. 8~15 are also identical.

Then, it after remove abdomen bone, the boning of fishbone, is vacuum-packed, 1 Dinner is freezed in freezer.

It thaws, is eaten by 10 people of taster, carry out the test of taste mouthfeel etc., the present invention obtained in acetonideexample 1 Epidermis be evaporated off fresh fish (salt down mackerel) obtained mouthfeel determine in tooth touching, chewing when meat separation etc. dramatically increase, taste Also excellent good result.

It should be noted that in the case of the corium of the lower part of epidermis is undamaged only epidermis be evaporated off refer to sample into Row visually and micro- sem observation, and determined by afore-mentioned test that 10 people of taster eats and carries out taste mouthfeel etc. mouthfeel, Whens meat separation when taste, chewing etc., while determining whether that in the case of corium is undamaged, only epidermis is through being evaporated off.

(laser beam irradiation apparatus)

Laser species carbon dioxide laser (air-cooled)

Use selection wavelength CO₂ 10.64μm

Schema category continuous wave operates (variable duty ratio)

Power 30W (maximum value)

Optical scanner scan frequency 100Hz (maximum)

Sweep length about 200mm (maximum)

Operating distance (distance from laser light irradiation source to fish surface) about 200mm

3~10mm of illumination beam diameter (spot diameter) Φ

424W/cm under the conditions of the practical irradiation Φ 3mm of power density²(maximum value)

153W/cm under the conditions of Φ 5mm²(maximum value)

38W/cm under the conditions of Φ 10mm²(maximum value).

(measuring method of power density)

Using aforementioned laser beam irradiation apparatus (power: 30W),

1. illumination beam diameter (spot diameter): Φ 3mm

2. the conveying speed of fish: wherein, X is in the irreducible minimum processing for carrying out that the mouthfeel of epidermis is made to disappear by 10 ± Xmm/sec( Situation, from carry out will burn before maximum limit processing situation in it is different)

3. laser beam sweep length: 5cm

4. laser beam scanning speed: the round-trip 20 times/sec of sweep length 5cm

5. the laser light irradiation area on fish surface: 5cm × (10 ± Xmm/sec)

6. being irradiated in laser light irradiation area during calculating fish carries out movement with 10 ± Xmm/sec of conveying speed Power density (the W/mm of 5cm × (10 ± Xmm) laser beam²).

For example, using aforementioned laser beam irradiation apparatus (power: 30W), if the conveying speed of fish is 5cm/sec, laser When light sweep length is 5cm, scanning speed: sweep length 5cm round-trip 20 times/sec, then power density=30W/2500mm² =0.012(W/mm²).

Fracture loading measuring machine: Eko Instruments Trading TEXTURE ANALYZER of maximum loading 500g is used, Plunger uses Knife Edge Slotted Insert(HDP/BS), measurement is broken loading (g), until epidermis fracture Fracture loading measuring machine plunger immersion distance (mm).

Fig. 6 (a) and (b) are illustrated using fracture loading measuring machine measurement fracture loading (g), the immersion of plunger distance (mm) Method explanatory diagram.

Fig. 6 (a) is sample 24 and the explanatory diagram of cutting off hacking 21 in order to obtain.As shown in Figure 6 (a), from away from hacking 21 Head side 22 be 5cm position rise, continuously cut 3 as sample using 1cm width.Then, Fig. 6 (b) is to measurement sample The explanatory diagram that 24 state is illustrated.As shown in Figure 6 (b), make the plunger 23 of fracture loading measuring machine (not shown) to surveying The direction of fixed sample 24, which is fallen, to be measured.20 DEG C of measuring temperature, plunger 23 decrease speed 2mm/sec under conditions of It carries out.

It should be noted that fracture loading is corresponding with required power (required power when biting broken) is broken；The immersion of plunger Distance is corresponding with the degree of deformation until fracture (until biting broken)；Loading when gel strength (g cm) is fracture (fracture loading) (g) × until immersion until fracture apart from (cm), and it is corresponding with the intensity of chewy texture.

As described above, fracture loading (g), immersion distance (mm), the result of gel strength (g cm) is shown in table 1, and will The result for finding out yield rate is shown in table 2.

According to table 1, fresh fish is evaporated off in power density (0.036~0.055W/mm in the epidermis of the invention of embodiment 1²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 2.

In contrast, according to table 1, comparative sample can not bite epidermis broken due to being the state with epidermis, Er Qiegen Judge according to table 2, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 2)

Using freezing mackerel, epidermis of the invention is manufactured with step shown in Fig. 8, fresh fish (salt marsh mackerel) is evaporated off, removes this Except, fracture loading (g), the immersion of plunger distance (mm), gel strength (g cm) and finished product are found out same as Example 1ly Rate.

It should be noted that also being carried out in the same manner for the comparison sample for carrying out the removing of epidermis with manual operations Measurement.

Respective result is shown in table 3, and the result of yield rate is shown in table 4.

According to table 3, fresh fish is evaporated off in power density (0.047~0.055W/mm in the epidermis of the invention of embodiment 2²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 4.

In contrast, according to table 3, comparative sample can not bite epidermis broken due to being the state with epidermis, Er Qiegen Judge according to table 4, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 3)

Using freezing mackerel, epidermis of the invention is manufactured with step shown in Fig. 9, fresh fish (mackerel raw fish) is evaporated off, removed Except this, find out same as Example 1ly fracture loading (g), plunger immersion distance (mm), gel strength (g cm) and at Product rate.

Respective result is shown in table 5, and the result of yield rate is shown in table 6.

According to table 5, fresh fish is evaporated off in power density (0.065~0.073W/mm in the epidermis of the invention of embodiment 3²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 6.

In contrast, according to table 5, comparative sample can not bite epidermis broken due to being the state with epidermis, Er Qiegen Judge according to table 6, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 4)

It is produced using Japan and freezes saury, epidermis of the invention manufactured with step shown in Fig. 10 fresh fish is evaporated off and (salt down the autumn Hairtail), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength (g are found out same as Example 1ly ) and yield rate cm.

Respective result is shown in table 7, and the result of yield rate is shown in table 8.

According to table 7, fresh fish is evaporated off in power density (0.036~0.058W/mm in the epidermis of the invention of embodiment 4²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 8.

In contrast, according to table 7, comparative sample can not bite epidermis broken due to being the state with epidermis, Er Qiegen Judge according to table 8, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 5)

It is produced using Japan and freezes saury, epidermis of the invention manufactured with step shown in Figure 11, fresh fish (salt marsh is evaporated off Saury), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength are found out same as Example 1ly (g cm) and yield rate.

Respective result is shown in table 9, and by the result of yield rate shown in table 10.

According to table 9, fresh fish is evaporated off in power density (0.044~0.058W/mm in the epidermis of the invention of embodiment 5²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 10.

In contrast, according to table 9, comparative sample can not bite epidermis broken due to being the state with epidermis, Er Qiegen Judge according to table 10, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 6)

It is produced using Japan and freezes saury, epidermis of the invention manufactured with step shown in Figure 12, fresh fish (autumn knife is evaporated off Fish raw fish), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength are found out same as Example 1ly (g cm) and yield rate.

By respective result shown in table 11, and by the result of yield rate shown in table 12.

According to table 11, fresh fish is evaporated off in power density (0.055~0.076W/mm in the epidermis of the invention of embodiment 6²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 12.

In contrast, according to table 11, comparative sample can not bite epidermis broken due to being the state with epidermis, and Judged according to table 12, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 7)

Fresh scad is generated using Japan, epidermis of the invention is manufactured with step shown in Figure 13 and fresh fish is evaporated off (salts down bamboo Pod fish), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength (g are found out same as Example 1ly ) and yield rate cm.

By respective result shown in table 13, and by the result of yield rate shown in table 14.

According to table 13, fresh fish is evaporated off in power density (0.062~0.087W/mm in the epidermis of the invention of embodiment 7²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 14.

In contrast, according to table 13, comparative sample can not bite epidermis broken due to being the state with epidermis, and Judged according to table 14, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 8)

Fresh scad is generated using Japan, epidermis of the invention is manufactured with step shown in Figure 14, fresh fish (salt marsh is evaporated off Scad), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength are found out same as Example 1ly (g cm) and yield rate.

By respective result shown in table 15, and by the result of yield rate shown in table 16.

According to table 15, fresh fish is evaporated off in power density (0.084~0.087W/mm in the epidermis of the invention of embodiment 8²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 16.

In contrast, according to table 15, comparative sample can not bite epidermis broken due to being the state with epidermis, and Judged according to table 16, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 9)

Fresh scad is generated using Japan, epidermis of the invention is manufactured with step shown in figure 15, fresh fish (bamboo pod is evaporated off Fish raw fish), in addition to this, fracture loading (g), the immersion of plunger distance (mm), gel strength are found out same as Example 1ly (g cm) and yield rate.

By respective result shown in table 17, and by the result of yield rate shown in table 18.

According to table 17, fresh fish is evaporated off in power density (0.109~0.109W/mm in the epidermis of the invention of embodiment 9²) Under, the corium of the lower part of epidermis is undamaged and only epidermis is evaporated off, required power and the deformation until biting broken when biting broken Degree and chewy texture are appropriate, edible in the state of life, and freshness, original taste are maintained when edible, Taste, mouthfeel are excellent, and judge that yield rate is also high according to table 18.

In contrast, according to table 17, comparative sample can not bite epidermis broken due to being the state with epidermis, and Judged according to table 18, the yield rate with the comparison sample of hand removing epidermis is also low.

(embodiment 10)

Using the manufacturing device of the fresh fish for having edible epidermis of the invention shown in Figure 16, make the air quantity of hot wind 200 liters/min, using the processed goods obtained by freezing mackerel that thaws, from the nozzle (nozzle width: 8cm, spray of hot air generator Mouth depth: 15mm, spray nozzle front end are about 5mm at a distance from processed goods), on the direction intersected with moving direction, be by control The warm air curtain of defined temperature and air quantity is controlled in the epidermis whole face of processed goods (fresh fish raw material) and is continuously blowed, by This is successively supplied uniformly across defined thermal energy to epidermis whole face, in the case of not damaging the corium of lower part of aforementioned epidermis only When being heat-treated to aforementioned epidermis and be allowed to be changed into edible epidermis, make the temperature of hot wind at 300~750 DEG C as described below Range is changed to implement to test.The result of the experiment is as follows.

That is, making 200 liters/min of air quantity of hot wind, for each temperature, the mobile speed for the boundary that can bite epidermis broken is found out Degree, links the movement speed of the boundary that can bite epidermis broken at each temperature and forming curves 1 then for each temperature, are found out true The movement speed for the boundary that skin is damaged links the movement speed of the impaired boundary of corium at each temperature and forming curves 2, figure In 25, with movement speed for (longitudinal axis), with the temperature of hot wind for (horizontal axis), summarizes to the experimental result and described point is shown Show.

(experimental result)

。

Make 200 liters/min of air quantity of hot wind, uses the movement for the range that curve 1 shown in Figure 25 and curve 2 are surrounded Speed and the temperature of hot wind manufacture the fresh fish for having edible epidermis of the invention.

It thaws, as a result the and test that carries out taste mouthfeel etc. edible by 10 people of taster can be confirmed that under epidermis The corium in portion is undamaged, and only epidermis is thermally treated and be changed into edible epidermis, and the meat separation etc. when tooth touching, chewing dramatically increases, The original appearance of fresh fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, even if can also in the state of life It is edible.

For the boundary of epidermis can be bitten broken, as set forth above, it is possible to carry out function test by judging group membership, inlet port is tested In can bite broken to determine, can also be as described in Example 1, by measuring fracture loading in method shown in Fig. 6 (a) and (b) Method measure.

(embodiment 11)

Make 400 liters/min of air quantity of hot wind, in addition to this, same as in Example 10ly, in the lower part for not damaging epidermis Corium in the case of, when being only heat-treated to aforementioned epidermis and be allowed to be changed into edible epidermis, make movement speed and hot wind Temperature change to be tested.

The result of the experiment is as follows.

(experimental result)

。

Figure 26 is with movement speed for (longitudinal axis), is that (horizontal axis) is summarized and retouched to the experimental result with the temperature of hot wind The curve that point obtains.

Make 400 liters/min of air quantity of hot wind, uses the movement for the range that curve 1 shown in Figure 26 and curve 2 are surrounded The temperature of speed and hot wind can manufacture the fresh fish for having edible epidermis of the invention.

(embodiment 12)

Using the manufacturing device of the fresh fish for having edible epidermis of the invention shown in Figure 16, the temperature of hot wind is controlled Be 300 DEG C, using the processed goods obtained by freezing mackerel that thaws, from the nozzle of hot air generator (nozzle width: 8cm, nozzle into Deep: 15mm, spray nozzle front end are about 5mm at a distance from processed goods), it is regulation by control on the direction intersected with moving direction The warm air curtain of air quantity be controlled in the epidermis whole face of processed goods (fresh fish raw material) and continuously blowed, it is whole to epidermis whereby Face is successively supplied uniformly across defined thermal energy, in the case of not damaging the corium of lower part of aforementioned epidermis, only to aforementioned table When skin is heat-treated and is allowed to be changed into edible epidermis, make the air quantity of hot wind at 200~600(L/ minutes as described below) model It encloses and is changed to be tested.The result of the experiment is as follows.

That is, making 300 DEG C of temperature of hot wind, for each air quantity, the movement speed that can bite the boundary of epidermis broken is found out, is linked The movement speed of the boundary that can bite epidermis broken under each air quantity and for each air quantity, it is impaired then to find out corium for forming curves 1 The movement speed of bad boundary links the movement speed of the impaired boundary of corium under each air quantity and forming curves 2, Tu27Zhong, With movement speed for (longitudinal axis), with the air quantity of hot wind for (horizontal axis), summarizes to the experimental result and described point is shown.

(experimental result)

。

Make 300 DEG C of temperature of hot wind, uses the movement speed for the range that curve 1 shown in Figure 27 and curve 2 are surrounded With the air quantity of hot wind, the fresh fish for having edible epidermis of the invention can be manufactured.

By manufacture make 300 DEG C of the temperature of hot wind and in air quantity 200,300,400,500,600(L/ minutes) under can sting Fish body 1,2,3 that the movement speed of the boundary of disconnected epidermis is heat-treated and make 300 DEG C of the temperature of hot wind and in air quantity 200,300,400,500,600(L/ minutes) under the fish body that is heat-treated of the movement speed of boundary that is damaged with corium 1,2,3 when yield rate (%) and its average value and standard deviation shown in table 19.

Yield rate (%) and its average value and standard deviation in order to compare, when by removing epidermis manufacture fish body 1,2,3 by hand It is also depicted in table 19.

It can determine whether according to table 19, make 300 DEG C of the temperature of hot wind and surrounded using curve 1 shown in Figure 27 and curve 2 Range movement speed and air quantity, with by hand removing epidermis situation compared with, can be with high 2.8~3.1% or so yield rate To manufacture the fresh fish for having edible epidermis of the invention.

For making 300 DEG C of the temperature of hot wind and in air quantity 200,300,400,500,600(L/ minutes) under can bite broken Fish body 1,2,3 that the movement speed of the boundary of epidermis is heat-treated and make hot wind 300 DEG C of temperature and air quantity 200, 300,400,500,600(L/ minutes) under the fish body 1,2,3 that is heat-treated of the movement speed of boundary that is damaged with corium, By the fracture loading (N) measured with measuring method shown in Fig. 6 (a) and (b), the immersion of plunger distance (mm), gel strength (g Cm table 20-1 and table 20-2) are shown in.

In order to compare, for the untreated fish body 1,2,3 not being heat-treated, it is measured in the same manner, gained is tied Fruit is shown in table 20-1 and table 20-2.

It can determine whether according to table 20-1 and table 20-2, for the boundary of epidermis can be bitten broken, as set forth above, it is possible to be made of judge Member carries out function test, and can test enter the mouth and bite broken to determine, can also be surveyed by method shown in Fig. 6 (a) and (b) It is fixed.It should be noted that failing to be broken for untreated fish body 1,2,3.

(embodiment 13)

Make 450 DEG C of temperature of hot wind, in addition to this, carry out keeping the air quantity of hot wind as described below identically as embodiment 12 Ground was at 200~450(L/ minutes) the experiment that is changed of range.The result of the experiment is as follows.

That is, making 450 DEG C of temperature of hot wind, for each air quantity, the movement speed that can bite the boundary of epidermis broken is found out, is linked The movement speed of the boundary that can bite epidermis broken under each air quantity and for each air quantity, it is impaired then to find out corium for forming curves 1 The movement speed of bad boundary links the movement speed of the impaired boundary of corium under each air quantity and forming curves 2, Tu28Zhong, With movement speed for (longitudinal axis), with the air quantity of hot wind for (horizontal axis), summarize and described point to the experimental result.

(experimental result)

。

Make 450 DEG C of temperature of hot wind, uses the movement speed for the range that curve 1 shown in Figure 28 and curve 2 are surrounded With the air quantity of hot wind, the fresh fish for having edible epidermis of the invention can be manufactured.

By manufacture make 450 DEG C of the temperature of hot wind and in air quantity 200,300,400,450(L/ minutes) under table can be bitten broken Fish body 1,2,3 that the movement speed of the boundary of skin is heat-treated and make hot wind 450 DEG C of temperature and air quantity 200, 300,400,450(L/ minutes) under the movement speed of boundary that is damaged with corium be heat-treated fish body 1,2,3 when Yield rate (%) and its average value and standard deviation be shown in table 21.

Yield rate (%) and its average value and standard deviation in order to compare, when by removing epidermis manufacture fish body 1,2,3 by hand It is also depicted in table 21.

It can determine whether according to table 21, make 450 DEG C of the temperature of hot wind and surrounded using curve 1 shown in Figure 28 and curve 2 Range movement speed and air quantity, with by hand removing epidermis situation compared with, can be with high 2.9~3.0% or so yield rate To manufacture the fresh fish for having edible epidermis of the invention.

For making 450 DEG C of the temperature of hot wind and in air quantity 200,300,400,450(L/ minutes) under epidermis can be bitten broken Boundary the fish body 1,2,3 that is heat-treated of movement speed and make hot wind 450 DEG C of temperature and air quantity 200,300, 400,450(L/ minutes) under the fish body 1,2,3 that is heat-treated of the movement speed of boundary that is damaged with corium, will be with Fig. 6 The fracture loading (N) of the measurement of measuring method shown in (a) and (b), the immersion distance (mm) of plunger, gel strength (g cm) are shown in Table 4-1 and table 4-2.

In order to compare, for the untreated fish body 1,2,3 not being heat-treated, it is measured in the same manner, gained is tied Fruit is shown in table 22-1 and table 22-2.

It can determine whether according to table 22-1 and table 22-2, for the boundary of epidermis can be bitten broken, as set forth above, it is possible to be made of judge Member carries out function test, and can test enter the mouth and bite broken to determine, can also be surveyed by method shown in Fig. 6 (a) and (b) It is fixed.It should be noted that failing to be broken for untreated fish body 1,2,3.

(embodiment 14)

Make 600 DEG C of temperature of hot wind, in addition to this, carry out keeping the air quantity of hot wind as described below identically as embodiment 12 Ground was at 200~400(L/ minutes) the experiment that is changed of range.The result of the experiment is as follows.

That is, making 600 DEG C of temperature of hot wind, for each air quantity, the movement speed that can bite the boundary of epidermis broken is found out, is linked The movement speed of the boundary that can bite epidermis broken under each air quantity and for each air quantity, it is impaired then to find out corium for forming curves 1 The movement speed of bad boundary links the movement speed of the impaired boundary of corium under each air quantity and forming curves 2, Tu29Zhong, With movement speed for (longitudinal axis), with the air quantity of hot wind for (horizontal axis), summarize and described point to the experimental result.

(experimental result)

。

Make 600 DEG C of temperature of hot wind, uses the movement speed for the range that curve 1 shown in Figure 29 and curve 2 are surrounded With the air quantity of hot wind, the fresh fish for having edible epidermis of the invention can be manufactured.

By manufacture make 600 DEG C of the temperature of hot wind and in air quantity 200,300,400(L/ minutes) under epidermis can be bitten broken Fish body 1,2,3 that the movement speed of boundary is heat-treated and make hot wind 600 DEG C of temperature and air quantity 200,300, 400(L/ minutes) under the movement speed of boundary that is damaged with corium be heat-treated fish body 1,2,3 when yield rate (%) and its average value and standard deviation are shown in table 23.

Yield rate (%) and its average value and standard deviation in order to compare, when by removing epidermis manufacture fish body 1,2,3 by hand It is also depicted in table 23.

It can determine whether according to table 23, make 600 DEG C of the temperature of hot wind and surrounded using curve 1 shown in Figure 29 and curve 2 Range movement speed and air quantity, with by hand removing epidermis situation compared with, can be with high 2.9~3.0% or so yield rate To manufacture the fresh fish for having edible epidermis of the invention.

For making 600 DEG C of the temperature of hot wind and in air quantity 200,300,400(L/ minutes) under the boundary of epidermis can be bitten broken Fish body 1,2,3 that the movement speed of limit is heat-treated and make 600 DEG C of the temperature of hot wind and in air quantity 200,300,400 The fish body 1,2,3 that the movement speed for the boundary being damaged under (L/ minutes) with corium is heat-treated, will be with Fig. 6 (a) and (b) Shown in the fracture loading (N) of measuring method measurement, immersion distance (mm), the gel strength (g cm) of plunger be shown in table 24.

In order to compare, for the untreated fish body 1,2,3 not being heat-treated, it is measured in the same manner, gained is tied Fruit is shown in table 24.

It can determine whether according to table 24, for the boundary of epidermis can be bitten broken, as set forth above, it is possible to carry out function by judging group membership Can test, test enter the mouth and bite broken to determine, can also be measured by method shown in Fig. 6 (a) and (b).It needs to illustrate , for untreated fish body 1,2,3, fail to be broken.

(embodiment 15)

Make 750 DEG C of temperature of hot wind, in addition to this, carry out keeping the air quantity of hot wind as described below identically as embodiment 12 Ground was at 200~300(L/ minutes) the experiment that is changed of range.The result of the experiment is as follows.

That is, making 750 DEG C of temperature of hot wind, for each air quantity, the movement speed that can bite the boundary of epidermis broken is found out, is linked The movement speed of the boundary that can bite epidermis broken under each air quantity and for each air quantity, it is impaired then to find out corium for forming curves 1 The movement speed of bad boundary links the movement speed of the impaired boundary of corium under each air quantity and forming curves 2, Tu30Zhong, With movement speed for (longitudinal axis), with the air quantity of hot wind for (horizontal axis), summarize and described point to the experimental result.

(experimental result)

。

Make 750 DEG C of temperature of hot wind, uses the movement speed for the range that curve 1 shown in Figure 30 and curve 2 are surrounded With the air quantity of hot wind, the fresh fish for having edible epidermis of the invention can be manufactured.

Manufacture is made into 750 DEG C of the temperature of hot wind and in air quantity 200,300(L/ minutes) under the boundary of epidermis can be bitten broken The fish body 1,2,3 that is heat-treated of movement speed and make 750 DEG C of the temperature of hot wind and in air quantity 200,300(L/ points Clock) under the movement speed of boundary that is damaged with corium be heat-treated fish body 1,2,3 when yield rate (%) and its flat Mean value and standard deviation are shown in table 25.

Yield rate (%) and its average value and standard deviation in order to compare, when by removing epidermis manufacture fish body 1,2,3 by hand It is also depicted in table 25.

It can determine whether according to table 25, make 750 DEG C of the temperature of hot wind and surrounded using curve 1 shown in Figure 30 and curve 2 The movement speed and air quantity of range can be made compared with the situation of removing epidermis by hand with high 3.1% or so yield rate Make the fresh fish for having edible epidermis of the invention.

For making 750 DEG C of the temperature of hot wind and in air quantity 200,300(L/ minutes) under the boundary of epidermis can be bitten broken Fish body 1,2,3 that movement speed is heat-treated and make 750 DEG C of the temperature of hot wind and in air quantity 200,300(L/ minutes) under The fish body 1,2,3 that the movement speed for the boundary being damaged with corium is heat-treated, will be to measure shown in Fig. 6 (a) and (b) The fracture loading (N) of method measurement, the immersion distance (mm) of plunger, gel strength (g cm) are shown in table 26.

In order to compare, for the untreated fish body 1,2,3 not being heat-treated, it is measured in the same manner, gained is tied Fruit is shown in table 26.

It can determine whether according to table 26, for the boundary of epidermis can be bitten broken, as set forth above, it is possible to carry out function by judging group membership Can test, test enter the mouth and bite broken to determine, can also be measured by method shown in Fig. 6 (a) and (b).It needs to illustrate , for untreated fish body 1,2,3, fail to be broken.

(embodiment 16)

In embodiment 15, use that (nozzle width: 8cm, nozzle depth: 15mm, spray nozzle front end are at a distance from processed goods About 5mm) nozzle, but used in embodiment 16 (nozzle width: 8cm, nozzle depth: 10mm, spray nozzle front end and processed goods away from It from the nozzle for about 5mm), in addition to this, carries out making the air quantity of hot wind at 200~300(L/ minutes identically as embodiment 15) The experiment that is changed of range.The result of the experiment is as follows.

That is, making 750 DEG C of temperature of hot wind, for each air quantity, the movement speed that can bite the boundary of epidermis broken is found out, is linked The movement speed of the boundary that can bite epidermis broken under each air quantity and for each air quantity, it is impaired then to find out corium for forming curves 1 The movement speed of bad boundary links the movement speed of the impaired boundary of corium under each air quantity and forming curves 2, Tu31Zhong, With movement speed for (longitudinal axis), with the air quantity of hot wind for (horizontal axis), summarizes to the experimental result and described point (uses triangle It indicates).

Make 750 DEG C of temperature of hot wind, uses the movement speed for the range that curve 1 shown in Figure 31 and curve 2 are surrounded With the air quantity of hot wind, the fresh fish for having edible epidermis of the invention can be prepared.

Summary and described point (being indicated with square symbols) are carried out in Figure 31, also to the result of embodiment 15 so as to reality It applies example 15 and embodiment 16 is compared.

Figure 32 is the explanatory diagram being illustrated to the width and depth of the nozzle 13-1 of hot air apparatus 12-1.14-1 indicates heat Air curtain, 1 indicates fresh fish raw material, and 11 indicate raw material mobile device.Nozzle 13-1 and raw material mobile device 11(shown in Figure 32 are defeated Send machine) distance be set as the thickness of fresh fish raw material 1 plus about 5mm.

(experimental result)

。

The curve 1 and curve of range and embodiment 16 that the curve 1 of embodiment 15 shown in Figure 31 and curve 2 are surrounded 2 ranges surrounded are compared, and the curve 1 of embodiment 16 is in the top of the curve 1 of embodiment 15, thus the song of embodiment 16 The range that line 1 and curve 2 are surrounded is bigger compared with the situation of embodiment 15.Thus it can determine whether the small person of the depth of nozzle 13, handle energy Power is got higher.It is thought that because, even if since opening area becomes smaller, thus wind speed becomes larger under identical air quantity.But if Keep opening area too small, then the resistance of nozzle 13-1 becomes larger, and energy loss becomes larger, and loss becomes larger or accumulation of heat or damage The reason of becoming larger, being likely to become failure.

Figure 33 (a) is by cutting before the epidermis removing of fresh fish raw material obtained by defrosting freezing mackerel used in embodiment Face microscope photo.

The sample of cross sectional microscopy photo is the position for being 5cm from the head side 22 away from hacking 21 as shown in earlier figures 6(a) It has set and 3 uses is continuously cut with 1cm width.It is same as below.

Cross sectional microscopy photo is to use the マイ Network ロスコープ VHX-500 of キーエ Application ス society as device, It is taken a picture to obtain photo again with multiplying power 100.It is same as below.

In Figure 33 (a), 2 indicate epidermis (292 μm), and 3 indicate corium (57 μm), and 4 indicate fat deposit (925 μm), and 5 indicate flesh Sarcocyte.

Figure 33 (b) be by used in embodiment defrosting freezing mackerel obtained by fresh fish raw material epidermis with hand well Cross sectional microscopy photo after removing.

In Figure 33 (b), 2 indicate epidermis (38 μm), and 3 indicate corium (61 μm), and 4 indicate fat deposit (721 μm), and 5 indicate flesh Sarcocyte.

Figure 33 (c) is that defrosting used in embodiment is freezed the epidermis hand of fresh fish raw material obtained by mackerel badly Cross sectional microscopy photo after removing.

In Figure 33 (c), without 2(0 μm of epidermis), 3 indicate corium (57 μm), and 4 indicate fat deposit (1013 μm), and 5 indicate fleshes Sarcocyte.Epidermis 2 can peeling, but corium 3 surface chap, appearance damage.

Figure 34 (a) is to make 450 DEG C of the temperature of hot wind in embodiment 13 and using 2 institute of curve 1 and curve shown in Figure 28 The section of the movement speed and air quantity of the range surrounded the fresh fish for having edible epidermis of the invention obtained by being heat-treated Microscope photo.

In Figure 34 (a), 2-1 indicates edible epidermis (284 μm), and 3 indicate corium (40 μm), and 4 indicate fat deposit (976 μm), 5 Indicate muscle layer.It can be confirmed by Figure 34 (a), the corium 3 of the lower part of epidermis 2 is undamaged, and only epidermis 2 is thermally treated and be changed into can Eat epidermis 2-1.

Figure 34 (b) is to make 750 DEG C of the temperature of hot wind in embodiment 15 and using 2 institute of curve 1 and curve shown in Figure 30 The section of the movement speed and air quantity of the range surrounded the fresh fish for having edible epidermis of the invention obtained by being heat-treated Microscope photo.

In Figure 34 (b), 2-1 indicates edible epidermis (116 μm), and 3 indicate corium (57 μm), and 4 indicate fat deposit (663 μm), 5 Indicate muscle layer.It can be confirmed by Figure 34 (b), the corium 3 of the lower part of epidermis 2 is undamaged, and only epidermis 2 is thermally treated and be changed into can Eat epidermis 2-1.

Industrial applicability

The fresh fish that epidermis of the invention is evaporated off fresh fish or has edible epidermis is characterized in that, is that will preset Selection wavelength laser beam or hot wind to carry out system imperial and be successively supplied uniformly across to the epidermis whole face of fresh fish raw material and obtain It arrives, the corium of the lower part of aforementioned epidermis is undamaged, and only aforementioned epidermis is thermally treated and be evaporated off or be changed into edible epidermis, fresh The original appearance of fish raw material, freshness, taste are maintained, and taste, mouthfeel are excellent, edible in the state of life With；

Using fresh fish raw material or frozen fish raw material, then by it directly as raw material in the situation of fresh fish raw material, It then realizes following remarkable results using the thaw fish thawed as raw material in the situation of frozen fish raw material: wholesomely passing through Heat treatment, the corium of the lower part of epidermis is undamaged, and only aforementioned epidermis is evaporated off or is changed into edible epidermis, and fresh fish raw material is original Appearance, freshness, original taste maintained, taste, mouthfeel are excellent, edible in the state of life；

Manufacturing method according to the invention is, it can be achieved that following remarkable results: can with high finished product rate and easily wholesomely Epidermis of the invention is manufactured fresh fish is evaporated off or has the fresh fish of edible epidermis；

Manufacturing device according to the present invention realizes following remarkable results: can be with obstructed remarkable hand and wholesomely with height Yield rate is easily manufactured epidermis of the invention and fresh fish is evaporated off or has the fresh fish of edible epidermis, therefore the benefit in industry It is high with value.

Symbol description

1 fresh fish raw material

2 epidermises

The edible epidermis of 2-1

3 corium

4 fat deposits

5 muscle layers

6 kitchen knives

7 containers

8 edible drugs

9 infrared heaters

10, manufacturing device 10-1,10-2,10-3,10-4,10-5 of the invention

11,11-1,11-2 raw material mobile device

12 laser beam generating devices

12-1,12-2 hot air generator

13 scanner units

13-1 nozzle

13-2 gas nozzle

14 laser beams

14-1 warm air curtain

15 raw material detection devices

16,16-1 control device

17 product withdrawing devices

18 vacuum packaging equipments

19 are evaporated off fresh fish through vacuum-packed epidermis

19-1 is through the vacuum-packed fresh fish for having edible epidermis

Fresh fish is evaporated off in 20 epidermises

20-1 has the fresh fish of edible epidermis

21 hackings

22 sides

23 plungers

24 samples

25 moving directions

26 burners

27 bluster

27-1 bluster curtain

28 fans

The maximum width of the fresh fish raw material of a

The width of b warm air curtain.

Claims

1. fresh fish, which is characterized in that it is that the laser beam of preset selection wavelength or hot wind are controlled in fresh fish The epidermis whole face of raw material and epidermis obtained from being successively supplied uniformly across is evaporated off fresh fish or has the fresh fish of edible epidermis, institute The corium for stating the lower part of epidermis is undamaged, and only the epidermis is thermally treated and carried out being evaporated off or being changed into edible epidermis, fresh The original appearance of fish raw material, freshness, taste are maintained.

2. fresh fish described in claim 1, which is characterized in that the fresh fish raw material is will to freeze fresh fish raw material to thaw The fresh fish raw material arrived.

3. the manufacturing method of fresh fish is that the corium of the lower part of epidermis is undamaged, only the epidermis is thermally treated and carry out It is evaporated off or is changed into edible epidermis, the epidermis that the original appearance of fresh fish raw material, freshness, taste are maintained is evaporated off fresh Fish or have edible epidermis fresh fish manufacturing method, the manufacturing method is characterized in that, includes at least following step (1) ~(2),

(1) using fresh fish raw material or the fresh fish raw material of freezing, then by it directly as raw material in the situation of fresh fish raw material, Then using the fresh fish of the defrosting thawed as raw material in the situation for freezing fresh fish raw material, by these fresh fish raw material roots According to need to carry out hacking processing and/or bone processing and the step of prepare processed goods；

(2) raw material prepared in step (1) is placed in raw material mobile device, is described in defined speed is mobile for control Raw material is controlled on the direction intersected with moving direction by what is supplied by laser beam generating device or hot air generator Preset selection wavelength laser beam or hot wind be controlled in its epidermis whole face and continuous place irradiation or with warm air curtain Mode blow, the thermal energy of specified amount is successively supplied uniformly across to its epidermis whole face whereby, in the case where not damaging the epidermis In the case of the corium in portion, only the epidermis is heat-treated and is allowed to the step of being evaporated off or being changed into edible epidermis.

4. the manufacturing method of fresh fish as claimed in claim 3, also contains:

(3) product for being only heat-treated to the epidermis in step (2) and being allowed to be evaporated off or be changed into edible epidermis is produced The step of article taking-out apparatus takes out；

5. manufacturing method described in claim 3 or 4, which is characterized in that the laser beam generating device is used, it will be by described The laser beam for the preset selection wavelength that laser beam generating device occurs is sent to scanner unit, and to set in advance The speed of fixed scanner is controlled in its epidermis whole face and continuous while being scanned on the direction intersected with moving direction Laser beam is irradiated in place, is successively supplied uniformly across defined thermal energy to epidermis whole face whereby, is not damaging the epidermis In the case of the corium of lower part, the epidermis is only evaporated off, when carrying out the heat treatment, supply makes the mouthfeel of the epidermis disappear most The thermal energy of small limit is handled, and the thermal energy of the maximum limit before perhaps supply will be burnt is handled or supplied More than the irreducible minimum thermal energy and be less than the thermal energy of range of thermal energy of the maximum limit and implement the step (2).

6. manufacturing method described in claim 5, which is characterized in that in the step (2), supply energy density is 0.036 ~0.109(W/mm²) range thermal energy, in the case of not damaging the corium of lower part of the epidermis, only by the table Skin is evaporated off.

7. manufacturing method described in claim 5, which is characterized in that the laser beam of the selection wavelength is 3~15 μm of wavelength Laser beam.

8. manufacturing method described in claim 3 or 4, which is characterized in that use the hot air generator, with moving direction It is the warm air curtain control of defined temperature and air quantity by the control sprayed by the nozzle of the hot air generator on the direction of intersection It is formed on its epidermis whole face and continuously blows, defined thermal energy is successively supplied uniformly across to epidermis whole face whereby, is not being damaged In the case of the corium of the lower part of the epidermis, only the epidermis is heat-treated and makes edible epidermis, at this point, in advance The air quantity for first changing the movement speed of the raw material, the temperature of hot wind and hot wind, can only the epidermis be carried out by finding out display Be heat-treated and be changed into the boundary of edible epidermis curve 1 and display can be in the case of not damaging corium only to the epidermis The curve 2 for the boundary being heat-treated, and use the movement speed in the range of being surrounded by curve obtained 1 and curve 2, hot wind Temperature and the air quantity of hot wind implement the step (2).

9. the manufacturing device of fresh fish of any of claims 1 or 2, which is characterized in that

At least have: loading fresh fish raw material and be allowed to mobile raw material mobile device；Detection is placed in the mobile dress of the raw material It sets and mobile fresh fish raw material arrived the raw material detection device of specified position；Laser beam generating device；It will be swashed by described The laser beam that light light generating device occurs is controlled in fresh while being scanned on the direction intersected with moving direction The scanner unit of the epidermis whole face of fish raw material and the irradiation of continuous place；Control device；And product as needed takes out dress It sets and vacuum packaging equipment；

The control device carries out including following control: receiving fresh fish raw material from the raw material detection device arrived regulation The signal of position sends the signal that the laser beam of preset selection wavelength occurs to the laser beam generating device, And the scanner unit is sent and is swashed with the speed of preset scanner by what is conveyed by laser beam generating device Light light is controlled in the epidermis whole face of fresh fish raw material and continuous while being scanned on the direction intersected with moving direction Place irradiation is to successively be supplied uniformly across the signal of defined thermal energy, the laser and scanner of predetermined time Operation, only the epidermis is evaporated off in the case of not damaging the corium of lower part of the epidermis.

10. the manufacturing device of fresh fish of any of claims 1 or 2, which is characterized in that

At least have: loading fresh fish raw material and be allowed to mobile raw material mobile device；Detection is placed in the mobile dress of the raw material It sets and mobile raw material arrived the raw material detection device of specified position；The heat for occurring that control for defined temperature and air quantity Wind from nozzle spray and on the direction intersected with moving direction with the form control of warm air curtain in the epidermis whole face of the raw material And the hot air generator continuously blowed；Control device；And product withdrawing device and vacuum packaging equipment as needed；

The control device carries out including following control: sending signal to raw material mobile device so that the raw material to set in advance Fixed movement speed conveying, while receiving the raw material from the raw material detection device and arrived the signal of specified position, to institute It states hot air generator and sends the signal that the hot wind of predetermined temperature and air quantity occurs, in the direction intersected with moving direction On will control the warm air curtain for defined temperature and air quantity and be controlled in the epidermis whole face of the raw material and filled from the hot wind The nozzle set continuously blows, and is successively supplied uniformly across defined thermal energy to epidermis whole face whereby, is not damaging the epidermis Lower part corium in the case of, only the epidermis is heat-treated and is allowed to be changed into edible epidermis.