CN102524694A - Method for preparing peach puree - Google Patents
Method for preparing peach puree Download PDFInfo
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- CN102524694A CN102524694A CN2011104521428A CN201110452142A CN102524694A CN 102524694 A CN102524694 A CN 102524694A CN 2011104521428 A CN2011104521428 A CN 2011104521428A CN 201110452142 A CN201110452142 A CN 201110452142A CN 102524694 A CN102524694 A CN 102524694A
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Abstract
The invention discloses a method for preparing peach puree. The method comprises the following steps of: adopting fresh and ripe peaches as the raw materials, transporting the peaches with circulating water, fully cleaning and brushing the peaches in the transport process, transporting the peaches to a roll crusher, feeding the pulp obtained after crushing into a beater and feeding the parts with pits into a pit washing machine; after the parts with pits are fed into the pit washing machine, feeding the pulp obtained after the peach pits are removed into the beater; adopting the beater to carry out cold beating on the fed pulp, heating the pulp to 80-100 DEG C and preserving the heat for 5-10 minutes; then beating the hot pulp in a two-channel beater and then homogenizing the pulp under the condition that the pressure is 5-20MPa; and degassing the homogenized pulp with a degasser and carrying out pasteurization after filtration, thus obtaining the peach puree. The method has the following beneficial effects that: the obtained peach puree is free from obvious caking or layering, is white or light yellow, has the taste and smell peculiar to the ripe peaches, is sweet and sour, does not have bad smell caused by fermentation or other reasons and dispenses with essence, pigments, preservatives and other additives.
Description
Technical field
The invention belongs to the fruit and vegetable juice processing technical field, relate to a kind of preparation method of peach magma.
Background technology
Peach is subordinate to peach and belongs to, Prunoideae, Rosales, Dicotyledoneae, the Angiospermae of spermatophyta, plant kingdom.Peach is one of most popular fruit, abundant nutrients.Every hectogram peach contains protein 0.8 gram, fat 0.1 gram, carbohydrate 7 grams, crude fibre 4.1 grams, ash content 0.5 gram, 8 milligrams of calcium, 20 milligrams in phosphorus, 1.0 milligrams of iron, 0.01 milligram of carrotene, 0.01 milligram of thiamine, 0.02 milligram of vitamin E, 0.7 milligram of niacin, 6 milligrams of vitamin Cs, and multiple volatile oil and organic acid are still arranged.
Iron-holder is higher in the peach, in fruit, almost occupies the first place, so peach is hypoferric anemia patient's a desirable supplementary food; Peach is rich in pectin, often eats and can prevent constipation; It is many that peach contains potassium, and it is few to contain sodium, is fit to the oedema patients.The traditional Chinese medical science thinks, peach warm in nature with, can invigorate blood circulation, ease constipation, promote the production of body fluid, nourishing the liver, the network that stimulates the menstrual flow, can improve the health so often eat peach, promote longevity.Peach has tonifying Qi and blood, and the effect of nourishing Yin and promoting production of body fluid can be used for after the serious disease, and deficiency of qi and blood is lean and haggard, the palpitation person.
The production technology and the process equipment of present domestic peach juice are gradually improved, and product category is various, and like clear peach juice, the turbid juice of peach, concentrated clear peach juice etc., the peach magma product of suitability for industrialized production occurs less on market.More existing peach magma products space that has greatly improved at aspects such as processing technology and product performances.Therefore, improve aspects such as product quality improving peach magma, also need further to explore, to satisfy the demand in market.
At present rarely found on the cold making beating produce market of suitability for industrialized production, main hot breakdown product, its production technology is following: raw material handles → selects → remove the peel → rinsing → protect look → precook → stoning look → refinement → allotment → sterilization → finished product of pulling an oar → protect.
Summary of the invention
The problem that the present invention solves is to provide a kind of preparation method of peach magma, and this method does not add additives such as essence, pigment and anticorrisive agent, and product has distinctive flavour of ripe peach and smell, and sour and sweet palatability does not have fermentation and waits the bad smell that causes.
The present invention realizes through following technical scheme:
A kind of preparation method of peach magma may further comprise the steps:
1) adopt the ripe and fresh peach as raw material, utilize recirculated water that peach is delivered to double-roll crusher, in the process of carrying with peach fully clean, bristle, with double-roll crusher that peach is broken, the pulp after the fragmentation gets into beater, band nuclear part gets into the nuclear machine of washing;
The V that when fragmentation, also adds peach quality 0.01～0.5%
CProtecting look handles;
2) after band nuclear part gets into and washes the nuclear machine, the pulp behind the rejecting peach-pit is sent into beater; To the cold making beating of the pulp of sending into, obtain the pulp that granularity is 2～4cm with beater;
3) pulp is heated to 80～100 ℃, the retention time is 5～10min; The pulp of heat is pulled an oar in the two pass beater then, and the pulp that contains fine and smooth pulp is collected in making beating back, is homogeneous under the condition of 5～20MPa at pressure then;
4) pulp outgases with degasser behind the homogeneous, and then filters through the bar magnet filter, filters the back pasteurize, obtains peach magma.
Described recirculated water carries peach to double-roll crusher to promote through two-stage at least: at first bring peach into be provided with barrier fruit road with recirculated water, in the process of circulation, make peach soaked fully, clean; Through barrier, Jiang Shui is with after peach separates, and peach is connected with in the bubbling service sink that air blast blows through the elevator entering and cleans; Clean the back bristle; And then carry out the secondary bubbling and clean, getting into double-roll crusher through the second lift machine afterwards, lifting process also sprays with water.
The pair roller gap of described double-roll crusher is set to 2～3cm.
Pulp after the described making beating gets into the tube heater heating, and flow-control is 2～4 tons/hour, and heating-up temperature is 80～100 ℃, and the hot pulp after the heating keeps 5～10min in surge tank.
The control first road screen cloth is 1.5～2.0mm in the described two pass beater, and the second road screen cloth is 0.5～1.0mm.
Described 60～65 ℃ of the time degassing temperature of outgasing with degasser, vacuum is 0.08～0.1Mpa.
The bar magnet filter that described bar magnet filter is two-stage tandem 9000GS.
Described pasteurize is under 110～121 ℃, keeps 15～30s; Be cooled to room temperature after the pasteurize rapidly.
Described peach magma also is delivered to aseptic filler through pipeline and carries out can, and the can outlet temperature is no more than 20 ℃.
Compared with prior art, the present invention has following beneficial technical effects:
The preparation method of peach magma provided by the invention, process bristle, bubbling clean, pair roller is broken, wash nuclear, cold making beating; To the pulp enzyme that goes out, make pulp finer and smoother through two pass making beating, homogenizer, through producing peach magma after the degassing, the sterilization; Obtain the fine and smooth peach magma of pulp, quality is even, fine and smooth, obviously caking or layering of nothing, is golden yellow or milky; The peach slurry that distinctive flavour of ripe peach and smell are arranged; Sour and sweet palatability does not have the bad smell that fermentation or other reason cause, does not add additives such as essence, pigment and anticorrisive agent.
The preparation method of peach magma provided by the invention, broken through pair roller after fragmentation, pulp is separated with band nuclear part, obtain pulp thereby again peach-pit is rejected to separate, after being merged, pulp carries out cold pulp grinder; And broken (protecting look)-peach-pit separates with pulp-cold making beating-heating passive oxidation enzyme-two pass making beating; Such program had both guaranteed the fine and smooth degree of pulp in the pulp fully; And through cold refining system removal skin slag; Prevent the polyphenol substance generation enzymatic browning in the peach skin most possibly, guaranteed the color outward appearance of pulp simultaneously again through the operation of protecting look and passive oxidation enzyme.
The preparation method of peach magma provided by the invention, temperature seldom surpasses 100 ℃ in operations such as broken, making beating and follow-up homogeneous, the degassing, has as much as possible kept nutrition and local flavor in the peach magma.
The specific embodiment
The present invention provides a kind of preparation method of peach magma, after operations such as cleaning, fragmentation, heating, making beating, homogeneous, the degassing, sterilization, can, obtains the fine and smooth peach magma of pulp.Below in conjunction with concrete embodiment the present invention is done further detailed description, said is to explanation of the present invention rather than qualification.
Embodiment 1
The preparation method of peach magma may further comprise the steps:
1) raw material
Adopt fresh, ripe, do not have go mouldy rotten, free from insect pests, the qualified peach of agricultural residual generaI investigation makes raw material.Inventory kept 5T/ hour, and will guarantee to feed intake evenly.
2) clean
The raw material fruit that is up to the standards goes into Guo Dao with peach from the fruit troughed belt with recirculated water; In this process of circulation, make peach soaked fully, clean, more heavy materials (silt, stone, metal etc.) sink in the settling pit simultaneously, through barrier; Jiang Shui separates with peach, and water is squeezed into circulation canal by pump.
3) selection
Reject peach leaf and other foreign material and fruit that rot, that go mouldy, that give birth to green grass or young crops by the selection personnel, keep the decayed fruit rate less than 1%, to guarantee the quality of product.Qualified on inspection peach raw material is sent into next step operation by elevator.
4) bubbling cleans
With running water raw material is cleaned, peach gets in the bubbling service sink that is connected with the air blast air-supply through elevator and cleans, and the air output size of bubbling cleaning machine is determined by actual conditions.
5) bristle
Purpose through hairbrush machine bristle is for the hairbrush of pericarp is clean, and rotten part is really removed.Hairbrush unit frequency and corresponding rotating speed field adjustable.
6) the secondary bubbling cleans
To pass through raw material peach behind the brush skin machine and carry out the secondary bubbling and clean, require 4 hours with the water in the interior replacing secondary bubbling rinse bath, to keep clean.
7) promote
Be promoted to double-roll crusher, in lifting process, shower water will be opened and carry out spray Cleaning for High Capacity.
8) pair roller is broken
Through the lifting of elevator, peach gets into double-roll crusher, and the gap between the adjusting pair roller is with the nuclear part to get into and is washed the nuclear machine at 2～3cm, is not with to examine partly to get into beater.
When fragmentation, to add VC liquid, according to the physical and chemical index decision VC liquid addition of raw material fruit.Addition is 0.1% (can adjust again according to actual conditions) of peach quality; It is even, accurate that interpolation speed is wanted.
9) wash nuclear
Through washing separating of nuclear machine practice peach-pit and pulp, according to washing the nuclear effect, the frequency of washing the frequency converter of nuclear machine can be in 80～100% operations; The pulp that washes out is recovered to cold beater, and the fruit stone that washes out is discharged outside the workshop.
10) cold making beating
The pair roller fragmentation not with the pulp of nuclear, washing pulp behind the nuclear, to get into beater broken, particle size after cracking 4mm during making beating, beater speed is adjusted to the 1300rpm operation; Broken consequence stock pump is gone into the pulp heater.
11) pulp heating
Peach magma after the making beating is collected, and the beater screw pump pumps into the tube heater heating, and it is 3.5-4T/ hour that control adds heat flow, and heating-up temperature keeps 90 ± 5 ℃, to reach the effect of inactive enzyme.
12) two pass making beating
Pulp after the heating arrives the two pass beater through piping, and control first road, the second road mesh size are respectively 1.5mm, 0.5mm in the two pass beater; Be used for removing crude fibre, peach-pit disintegrating slag and the peach skin of peach slurry;
Through the pulp of two pass beater, pulp is fine and smooth more, and isolated pulp is collected into the pulp collecting tank, and pomace exports to outside the workshop.
13) homogeneous
Pulp gets into homogenizer and carries out homogeneous, and the pressure of guaranteeing homogenizer is 18～20MPa.Pulp behind the homogeneous is squeezed into the pulp jar, keeps pulp to mix.
14) degassing
Pulp outgases with degasser behind the homogeneous, and degassing temperature is 60～65 ℃ when using the degasser degassing, and vacuum is 0.08Mpa, to remove the oxygen in the peach magma, prevents the generation of non-enzymatic browning and the false bag phenomenon that rises.
15) sterilization
Pulp after the degassing is through plunger displacement pump control flow velocity, and it is 3.5T/ hour that plunger displacement pump keeps the operation flow; Pulp gets into Pasteur's tubular type sterilizer then, and sterilising conditions is to keep F121 ℃＞15sec under 114 ± 2 ℃ the temperature.
16) bar magnet filters
Pulp after the sterilization is through the bar magnet filter, to hold back possible metal impurities.Then pulp is sent into cooling device, the pulp temperature is reduced to about 20 ℃.
17) operation: sterile filling
Cooled pulp is delivered to aseptic filler through pipeline, utilizes the sterilising conditions of bottle placer fill head chamber temp >=98 ℃, pulp is poured in the sterile bag (peripheral be protection bag and steel drum), and can weight is controlled through mass flowmenter.The can outlet temperature requires less than 20 ℃; Product after the cooling is gone in the aseptic packaging with the aseptic canning mechanical irrigation.
Embodiment 2
The preparation method of peach magma may further comprise the steps:
1) raw material
Adopt fresh, ripe, do not have go mouldy rotten, free from insect pests, the qualified peach of agricultural residual generaI investigation makes raw material.Inventory kept 5T/ hour, and will guarantee to feed intake evenly.
2) clean
The raw material fruit that is up to the standards goes into Guo Dao with peach from the fruit troughed belt with recirculated water; In this process of circulation, make peach soaked fully, clean, more heavy materials (silt, stone, metal etc.) sink in the settling pit simultaneously, through barrier; Jiang Shui separates with peach, and water is squeezed into circulation canal by pump.
3) selection
Reject peach leaf and other foreign material and fruit that rot, that go mouldy, that give birth to green grass or young crops by the selection personnel, keep the decayed fruit rate less than 1%, to guarantee the quality of product.Qualified on inspection peach raw material is sent into next step operation by elevator.
4) bubbling cleans
With running water raw material is cleaned, peach gets in the bubbling service sink that is connected with the air blast air-supply through elevator and cleans, and the air output size of bubbling cleaning machine is determined by actual conditions.
5) bristle
Purpose through hairbrush machine bristle is for the hairbrush of pericarp is clean, and rotten part is really removed.Hairbrush unit frequency and corresponding rotating speed field adjustable.
6) the secondary bubbling cleans
To pass through raw material peach behind the brush skin machine and carry out the secondary bubbling and clean, require 4 hours with the water in the interior replacing secondary bubbling rinse bath, to keep clean.
7) promote
Be promoted to double-roll crusher, in lifting process, shower water will be opened and carry out spray Cleaning for High Capacity.
8) pair roller is broken
Through the lifting of elevator, peach gets into double-roll crusher, and the gap between the adjusting pair roller is with the nuclear part to get into and is washed the nuclear machine at 2～3cm, is not with to examine partly to get into beater.
When fragmentation, to add VC liquid, according to the physical and chemical index decision VC liquid addition of raw material fruit.Addition is 0.4% (can adjust again according to actual conditions) of peach quality; It is even, accurate that interpolation speed is wanted.
9) wash nuclear
Through washing separating of nuclear machine practice peach-pit and pulp, according to washing the nuclear effect, the frequency of washing the frequency converter of nuclear machine can be in 80～100% operations; The pulp that washes out is recovered to cold beater, and the fruit stone that washes out is discharged outside the workshop.
10) cold making beating
The pair roller fragmentation not with the pulp of nuclear, washing pulp behind the nuclear, to get into beater broken, being crushed to granularity during making beating is 2～4mm, beater speed is adjusted to the 1300rpm operation; Broken consequence stock pump is gone into the pulp heater.
11) pulp heating
Peach magma after the making beating is collected, and the beater screw pump pumps into the tube heater heating, and it is 3.8T/ hour that control adds heat flow, and heating-up temperature is 90 ℃, keeps 10min, to reach the effect of inactive enzyme.
12) two pass making beating
Pulp after the heating arrives the two pass beater through piping, and control first road, the second road mesh size are respectively 2.0mm, 0.8mm in the two pass beater; Be used for removing crude fibre, peach-pit disintegrating slag and the peach skin of peach slurry;
Through the pulp of two pass beater, pulp is fine and smooth more, and isolated pulp is collected into the pulp collecting tank, and pomace exports to outside the workshop.
13) homogeneous
Pulp gets into homogenizer and carries out homogeneous, and the pressure of guaranteeing homogenizer is 18～20MPa.Pulp behind the homogeneous is squeezed into the pulp jar, keeps pulp to mix.
14) degassing
Pulp outgases with degasser behind the homogeneous, and degassing temperature is 60～65 ℃ when using the degasser degassing, and vacuum is 0.1Mpa, to remove the oxygen in the peach magma, prevents the generation of non-enzymatic browning and the false bag phenomenon that rises.
15) sterilization
Pulp after the degassing is through plunger displacement pump control flow velocity, and it is 3.5T/ hour that plunger displacement pump keeps the operation flow; Pulp gets into Pasteur's tubular type sterilizer then, and sterilising conditions is to keep F121 ℃＞15sec under 114 ± 2 ℃ the temperature.
16) bar magnet filters
Pulp after the sterilization is through the bar magnet filter, to hold back possible metal impurities.Then pulp is sent into cooling device, the pulp temperature is reduced to about 20 ℃.
17) operation: sterile filling
Cooled pulp is delivered to aseptic filler through pipeline, utilizes the sterilising conditions of bottle placer fill head chamber temp >=98 ℃, pulp is poured in the sterile bag (peripheral be protection bag and steel drum), and can weight is controlled through mass flowmenter.The can outlet temperature requires less than 20 ℃; Product after the cooling is gone in the aseptic packaging with the aseptic canning mechanical irrigation.
Embodiment 3
The preparation method of peach magma may further comprise the steps:
1) raw material
Adopt fresh, ripe, do not have go mouldy rotten, free from insect pests, the qualified peach of agricultural residual generaI investigation makes raw material.Inventory kept 5T/ hour, and will guarantee to feed intake evenly.
2) clean
The raw material fruit that is up to the standards goes into Guo Dao with peach from the fruit troughed belt with recirculated water; In this process of circulation, make peach soaked fully, clean, more heavy materials (silt, stone, metal etc.) sink in the settling pit simultaneously, through barrier; Jiang Shui separates with peach, and water is squeezed into circulation canal by pump.
3) selection
Reject peach leaf and other foreign material and fruit that rot, that go mouldy, that give birth to green grass or young crops by the selection personnel, keep the decayed fruit rate less than 1%, to guarantee the quality of product.Qualified on inspection peach raw material is sent into next step operation by elevator.
4) bubbling cleans
With running water raw material is cleaned, peach gets in the bubbling service sink that is connected with the air blast air-supply through elevator and cleans, and the air output size of bubbling cleaning machine is determined by actual conditions.
5) bristle
Purpose through hairbrush machine bristle is for the hairbrush of pericarp is clean, and rotten part is really removed.Hairbrush unit frequency and corresponding rotating speed field adjustable.
6) the secondary bubbling cleans
To pass through raw material peach behind the brush skin machine and carry out the secondary bubbling and clean, require 4 hours with the water in the interior replacing secondary bubbling rinse bath, to keep clean.
7) promote
Be promoted to double-roll crusher, in lifting process, shower water will be opened and carry out spray Cleaning for High Capacity.
8) pair roller is broken
Through the lifting of elevator, peach gets into double-roll crusher, and the gap between the adjusting pair roller is with the nuclear part to get into and is washed the nuclear machine at 2～3cm, is not with to examine partly to get into beater.
When fragmentation, to add VC liquid, according to the physical and chemical index decision VC liquid addition of raw material fruit.Addition is 0.1% (can adjust again according to actual conditions) of peach quality; It is even, accurate that interpolation speed is wanted.
9) wash nuclear
Through washing separating of nuclear machine practice peach-pit and pulp, according to washing the nuclear effect, the frequency of washing the frequency converter of nuclear machine can be in 80～100% operations; The pulp that washes out is recovered to cold beater, and the fruit stone that washes out is discharged outside the workshop.
10) cold making beating
The pair roller fragmentation not with the pulp of nuclear, washing pulp behind the nuclear, to get into beater broken, particle size after cracking 4mm during making beating, beater speed is adjusted to the 1300rpm operation; Broken consequence stock pump is gone into the pulp heater.
11) pulp heating
Peach magma after the making beating is collected, and the beater screw pump pumps into the tube heater heating, and it is 3.5-4T/ hour that control adds heat flow, and heating-up temperature keeps 90 ± 5 ℃, to reach the effect of inactive enzyme.
12) two pass making beating
Pulp after the heating arrives the two pass beater through piping, and control first road, the second road mesh size are respectively 1.5mm, 0.5mm in the two pass beater; Be used for removing crude fibre, peach-pit disintegrating slag and the peach skin of peach slurry;
Through the pulp of two pass beater, pulp is fine and smooth more, and isolated pulp is collected into the pulp collecting tank, and pomace exports to outside the workshop.
13) homogeneous
Pulp gets into homogenizer and carries out homogeneous, and the pressure of guaranteeing homogenizer is 18～20MPa.Pulp behind the homogeneous is squeezed into the pulp jar, keeps pulp to mix.
14) degassing
Pulp outgases with degasser behind the homogeneous, and degassing temperature is 60～65 ℃ when using the degasser degassing, and vacuum is 0.08Mpa, to remove the oxygen in the peach magma, prevents the generation of non-enzymatic browning and the false bag phenomenon that rises.
15) sterilization
Pulp after the degassing is through plunger displacement pump control flow velocity, and it is 3.5T/ hour that plunger displacement pump keeps the operation flow; Pulp gets into Pasteur's tubular type sterilizer then, and sterilising conditions is to keep F121 ℃＞15sec under 114 ± 2 ℃ the temperature.
16) bar magnet filters
Pulp after the sterilization is through the bar magnet filter, to hold back possible metal impurities.Then pulp is sent into cooling device, the pulp temperature is reduced to about 20 ℃.
17) operation: sterile filling
Cooled pulp is delivered to aseptic filler through pipeline, utilizes the sterilising conditions of bottle placer fill head chamber temp >=98 ℃, pulp is poured in the sterile bag (peripheral be protection bag and steel drum), and can weight is controlled through mass flowmenter.The can outlet temperature requires less than 20 ℃; Product after the cooling is gone in the aseptic packaging with the aseptic canning mechanical irrigation.
Embodiment 4
The preparation method of peach magma may further comprise the steps:
1) raw material
Adopt fresh, ripe, do not have go mouldy rotten, free from insect pests, the qualified peach of agricultural residual generaI investigation makes raw material.Inventory kept 5T/ hour, and will guarantee to feed intake evenly.
2) clean
The raw material fruit that is up to the standards goes into Guo Dao with peach from the fruit troughed belt with recirculated water; In this process of circulation, make peach soaked fully, clean, more heavy materials (silt, stone, metal etc.) sink in the settling pit simultaneously, through barrier; Jiang Shui separates with peach, and water is squeezed into circulation canal by pump.
3) selection
Reject peach leaf and other foreign material and fruit that rot, that go mouldy, that give birth to green grass or young crops by the selection personnel, keep the decayed fruit rate less than 1%, to guarantee the quality of product.Qualified on inspection peach raw material is sent into next step operation by elevator.
4) bubbling cleans
With running water raw material is cleaned, peach gets in the bubbling service sink that is connected with the air blast air-supply through elevator and cleans, and the air output size of bubbling cleaning machine is determined by actual conditions.
5) bristle
Purpose through hairbrush machine bristle is for the hairbrush of pericarp is clean, and rotten part is really removed.Hairbrush unit frequency and corresponding rotating speed field adjustable.
6) the secondary bubbling cleans
To pass through raw material peach behind the brush skin machine and carry out the secondary bubbling and clean, require 4 hours with the water in the interior replacing secondary bubbling rinse bath, to keep clean.
7) promote
Be promoted to double-roll crusher, in lifting process, shower water will be opened and carry out spray Cleaning for High Capacity.
8) pair roller is broken
Through the lifting of elevator, peach gets into double-roll crusher, and the gap between the adjusting pair roller is with the nuclear part to get into and is washed the nuclear machine at 2～3cm, is not with to examine partly to get into beater.
When fragmentation, to add VC liquid, according to the physical and chemical index decision VC liquid addition of raw material fruit.Addition is 0.08% (can adjust again according to actual conditions) of peach quality; It is even, accurate that interpolation speed is wanted.
9) wash nuclear
Through washing separating of nuclear machine practice peach-pit and pulp, according to washing the nuclear effect, the frequency of washing the frequency converter of nuclear machine can be in 80～100% operations; The pulp that washes out is recovered to cold beater, and the fruit stone that washes out is discharged outside the workshop.
10) cold making beating
The pair roller fragmentation not with the pulp of nuclear, washing pulp behind the nuclear, to get into beater broken, is crushed to granularity 2～4mm during making beating, beater speed is adjusted to the 1500rpm operation; Broken consequence stock pump is gone into the pulp heater.
11) pulp heating
Peach magma after the making beating is collected, and the beater screw pump pumps into the tube heater heating, and it is 2T/ hour that control adds heat flow, and 95 ℃ of heating-up temperatures keep 5min, to reach the effect of inactive enzyme.
12) two pass making beating
Pulp after the heating arrives the two pass beater through piping, and control first road, the second road mesh size are respectively 1.6mm, 0.9mm in the two pass beater; Be used for removing crude fibre, peach-pit disintegrating slag and the peach skin of peach slurry;
Through the pulp of two pass beater, pulp is fine and smooth more, and isolated pulp is collected into the pulp collecting tank, and pomace exports to outside the workshop.
13) homogeneous
Pulp gets into homogenizer and carries out homogeneous, and the pressure of guaranteeing homogenizer is 5～10MPa.Pulp behind the homogeneous is squeezed into the pulp jar, keeps pulp to mix.
14) degassing
Pulp outgases with degasser behind the homogeneous, and degassing temperature is 60～65 ℃ when using the degasser degassing, and vacuum is 0.08Mpa, to remove the oxygen in the peach magma, prevents the generation of non-enzymatic browning and the false bag phenomenon that rises.
15) sterilization
Pulp after the degassing is through plunger displacement pump control flow velocity, and it is 3.5T/ hour that plunger displacement pump keeps the operation flow; Pulp gets into Pasteur's tubular type sterilizer then, and sterilising conditions is to keep F110 ℃＞20sec under 110 ± 2 ℃ the temperature.
16) bar magnet filters
Pulp after the sterilization is through the bar magnet filter, to hold back possible metal impurities.Then pulp is sent into cooling device, the pulp temperature is reduced to about 20 ℃.
17) sterile filling
Cooled pulp is delivered to aseptic filler through pipeline, utilizes the sterilising conditions of bottle placer fill head chamber temp >=98 ℃, pulp is poured in the sterile bag (peripheral be protection bag and steel drum), and can weight is controlled through mass flowmenter.The can outlet temperature requires less than 20 ℃; Product after the cooling is gone in the aseptic packaging with the aseptic canning mechanical irrigation.
More than prepared peach magma should meet described organoleptic indicator of table 1 and the described physical and chemical index of table 2, and between storage-life, do not have significant change:
Table 1 sense organ requires:
| Project | Index |
| Color and luster | Be golden yellow or milky |
| Fragrance and flavour | This pulp has intrinsic flavour of peach and fragrance, free from extraneous odour. |
| Mode of appearance | Quality is even, fine and smooth, obviously caking or layering of nothing |
| Impurity | Do not allow the visible impurity of naked eyes |
Table 2 physical and chemical index:
| Project | Index |
| Soluble solid (20 ℃ of compound microcapsules)/Brix | ＞7.0 |
| Titratable acid (in anhydrous citric acid) % | 0.2-0.8 |
| pH | 3.0-5.0 |
| Insoluble solid content % (V/V) | ＞30.0 |
Claims (9)
1. the preparation method of a peach magma is characterized in that, may further comprise the steps:
1) adopt the ripe and fresh peach as raw material, utilize recirculated water that peach is delivered to double-roll crusher, in the process of carrying with peach fully clean, bristle, with double-roll crusher that peach is broken, the pulp after the fragmentation gets into beater, band nuclear part gets into the nuclear machine of washing;
The V that when fragmentation, also adds peach quality 0.01～0.5%
CProtecting look handles;
2) after band nuclear part gets into and washes the nuclear machine, the pulp behind the rejecting peach-pit is sent into beater; To the cold making beating of the pulp of sending into, obtain the pulp that granularity is 2～4cm with beater;
3) pulp is heated to 80～100 ℃, the retention time is 5～10min; The pulp of heat is pulled an oar in the two pass beater then, and the pulp that contains fine and smooth pulp is collected in making beating back, is homogeneous under the condition of 5～20MPa at pressure then;
4) pulp outgases with degasser behind the homogeneous, and then filters through the bar magnet filter, filters the back pasteurize, obtains peach magma.
2. the preparation method of peach magma as claimed in claim 1; It is characterized in that; Described recirculated water carries peach to double-roll crusher to promote through two-stage at least: at first bring peach into be provided with barrier fruit road with recirculated water, in the process of circulation, make peach soaked fully, clean; Through barrier, Jiang Shui is with after peach separates, and peach is connected with in the bubbling service sink that air blast blows through the elevator entering and cleans; Clean the back bristle; And then carry out the secondary bubbling and clean, getting into double-roll crusher through the second lift machine afterwards, lifting process also sprays with water.
3. the preparation method of peach magma as claimed in claim 1 is characterized in that, the pair roller gap of described double-roll crusher is set to 2～3cm.
4. the preparation method of peach magma as claimed in claim 1; It is characterized in that the pulp after the described making beating gets into the tube heater heating, flow-control is 2～4 tons/hour; Heating-up temperature is 80～100 ℃, and the hot pulp after the heating keeps 5～10min in surge tank.
5. the preparation method of peach magma as claimed in claim 1 is characterized in that, the control first road screen cloth is 1.5～2.0mm in the described two pass beater, and the second road screen cloth is 0.5～1.0mm.
6. the preparation method of peach magma as claimed in claim 1 is characterized in that, described 60～65 ℃ of the time degassing temperature of outgasing with degasser, and vacuum is 0.08～0.1Mpa.
7. the preparation method of peach magma as claimed in claim 1 is characterized in that, the bar magnet filter that described bar magnet filter is two-stage tandem 9000GS.
8. the preparation method of peach magma as claimed in claim 1 is characterized in that, described pasteurize is under 110～121 ℃, keeps 15～30s; Be cooled to room temperature after the pasteurize rapidly.
9. the preparation method of peach magma as claimed in claim 1 is characterized in that, described peach magma also is delivered to aseptic filler through pipeline and carries out can, and the can outlet temperature is no more than 20 ℃.
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| CN103431470A (en) * | 2013-08-23 | 2013-12-11 | 栖霞海升果业有限责任公司 | Preparation method of NFC cloudy apple juice |
| CN107568521A (en) * | 2017-09-07 | 2018-01-12 | 无锡太湖阳山果蔬饮品有限公司 | A kind of peach squash and preparation method thereof |
| CN110959790A (en) * | 2019-12-23 | 2020-04-07 | 辽宁津海黑果花楸新食品股份有限公司 | Processing and production process of aronia melanocarpa concentrated juice |
| CN112167483A (en) * | 2020-10-14 | 2021-01-05 | 天津市恒真源食品科技有限责任公司 | Peach juice pulp beverage |
| CN115316625A (en) * | 2022-09-14 | 2022-11-11 | 甘肃省农业科学院农产品贮藏加工研究所 | Processing method of high-quality quick-frozen fruit and vegetable pulp |
| CN115812928A (en) * | 2022-12-08 | 2023-03-21 | 鲜活果汁工业（天津）有限公司 | Rose-flavored grape raw pulp and preparation method thereof |
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| CN101341998A (en) * | 2008-09-10 | 2009-01-14 | 陕西海升果业发展股份有限公司 | Preparation of concentrated peach clear juice |
| CN101411531A (en) * | 2008-11-28 | 2009-04-22 | 河南省湖滨果品加工新技术研究院 | Technique for producing concentrated clear peach juice |
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| CN101341998A (en) * | 2008-09-10 | 2009-01-14 | 陕西海升果业发展股份有限公司 | Preparation of concentrated peach clear juice |
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| CN103431470A (en) * | 2013-08-23 | 2013-12-11 | 栖霞海升果业有限责任公司 | Preparation method of NFC cloudy apple juice |
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| CN112167483A (en) * | 2020-10-14 | 2021-01-05 | 天津市恒真源食品科技有限责任公司 | Peach juice pulp beverage |
| CN115316625A (en) * | 2022-09-14 | 2022-11-11 | 甘肃省农业科学院农产品贮藏加工研究所 | Processing method of high-quality quick-frozen fruit and vegetable pulp |
| CN115812928A (en) * | 2022-12-08 | 2023-03-21 | 鲜活果汁工业（天津）有限公司 | Rose-flavored grape raw pulp and preparation method thereof |
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