CN106578035A - Physical fresh-keeping method for broad beans - Google Patents
Physical fresh-keeping method for broad beans Download PDFInfo
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- CN106578035A CN106578035A CN201611063986.2A CN201611063986A CN106578035A CN 106578035 A CN106578035 A CN 106578035A CN 201611063986 A CN201611063986 A CN 201611063986A CN 106578035 A CN106578035 A CN 106578035A
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/06—Preserving by irradiation or electric treatment without heating effect
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
- A23B9/00—Preservation of edible seeds, e.g. cereals
- A23B9/16—Preserving with chemicals
- A23B9/18—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor
- A23B9/22—Preserving with chemicals in the form of gases, e.g. fumigation; Compositions or apparatus therefor in a controlled atmosphere comprising other gases in addition to CO2, N2, O2 or H2O
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Preparation Of Fruits And Vegetables (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a physical fresh-keeping method for broad beans and solves the problems of insect attack, low nutritional value and the like on broad beans during storage in the prior art. In the technical scheme, the method includes the steps of: soaking and cleaning fresh broad beans, draining the broad beans, performing high-pressure permeation treatment and vacuum high-voltage electric field corona discharge treatment, and vacuum-packaging and refrigerating the broad beans. In the invention, volatilized artemisia argyi gas shows an approximate supercritical status under a high pressure, wherein the gas has very strong permeation capability and can permeate in the interior of the broad beans, thereby achieving effective antibacterial and insecticidal function. Through the vacuum high-voltage electric field corona discharge treatment, the molecular structure of volatile components in the artemisia argyi is damaged, thereby further removing odors. Through the treatment, fresh-keeping period of the broad beans is greatly prolonged, and the broad beans have excellent color, smell and taste.
Description
Technical field
The invention belongs to field of food preservation, and in particular to a kind of physical fresh-keeping method of Semen Viciae fabae.
Background technology
Semen Viciae fabae (Vetch), also known as broad bean, HUDOU, Nan Dou, perpendicular bean, Buddhist bean, the annual grass of pulse family, Vetch
This.Tender broad bean can be inducing diuresis and reducing edema with replenishing QI to invigorate the spleen.In addition, its is nutritious, per 100 grams of Semen Viciae fabaes containing 9 grams of protein, 19 grams
Carbohydrate, the nutrient also rich in the multiple beneficials such as dietary fiber, calcium, phosphorus, potassium, vitamin B, carotene health.Tender silkworm
Protein in bean, is only second to Semen sojae atricolor in various beans.Its important composition composition phospholipid also containing brain and nervous tissue
With abundant choline, there are hypermnesis, brain-strengthening.Additionally, Semen Viciae fabae is low calories food, to hyperlipidemia, hypertension and the heart
For vascular disease, all it is the pollution-free food of very high-quality.Modern is additionally considered that Semen Viciae fabae is also one of anticancer food, to prevention
Intestinal cancer has effect.
Now, the nutritional character according to Semen Viciae fabae, existing correlational study person develop various Semen Viciae fabae preservation methods, for example：In
State number of patent application CN201510671383.X " a kind of Semen Viciae fabae postharvest storage preservation method ", Chinese Patent Application No.
CN201310293368.7 " a kind of preservation method of Semen Viciae fabae " etc..Research contents is the side using chemical substance immersion treatment
Formula, is carried out fresh-keeping.However, inevitably there is food safety potential problem in chemical substance immersion treatment.
The content of the invention
The invention aims to solve above-mentioned technical problem, there is provided a kind of process is simple and reliable, energy long-time
It is fresh-keeping, protect color, in good taste, without chemical agent residue, the physical fresh-keeping method of the Semen Viciae fabae being of high nutritive value.
The physical fresh-keeping method of Semen Viciae fabae of the present invention is, first using the Radix Artemisia ordosicae quintessence oil gas of approximate supercriticality to fresh silkworm
Bean carries out high pressure permeability process, then again to Semen Viciae fabae use high voltage electric field Corona discharge Treatment, most after Jing vacuum packaging after cold preservation.
Specifically include following steps：
(1), soaking and washing：Fresh broad bean is immersed in ultra-pure water, the impurity and dust on Semen Viciae fabae surface, Ran Houchao is removed
1～1.5h of sound；
(2), drain：Semen Viciae fabae after will be sonicated is quickly drained under lucifuge, cryogenic conditions, is then charged into high pressure gas
In room；
(3), high pressure permeability is processed：Radix Artemisia ordosicae quintessence oil is added in heating chamber, in 100-120 DEG C of promotion Radix Artemisia ordosicae quintessence oil of constant temperature
Volatilization, the Radix Artemisia ordosicae quintessence oil gas of volatilization is pumped in the plenum chamber equipped with Semen Viciae fabae, and to plenum chamber using high-pressure pump
9～14MPa is pressurizeed and be maintained at, and Radix Artemisia ordosicae quintessence oil gas density is made up to 0.68～0.85g/cm3Approximate supercriticality, process
Time is 50～80min；
(4), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae Jing after high pressure permeability process is loaded into high voltage electric field corona
In electric discharge device, high voltage electric field Corona discharge Treatment is carried out under vacuum conditions；
(5) Semen Viciae fabae of Jing outage piezoelectric field Corona discharge Treatments is vacuum-packed, is put into deoxidizer, under the conditions of 1～5 DEG C
Cold storing and fresh-keeping.
In the step (2), it is described drain laggard circulation of qi promoting stream and blow mix process, with net belt type pneumatic drier at 40～60 DEG C
Under the conditions of, it is dried 30～50min；
In the step (2), cryogenic temperature is controlled when draining for 15～25 DEG C.
In the step (4), it is 50～210KV to control high-voltage corona field intensity, and process time is 12-18h.
In step (4), control vacuum is in 2000～2500Pa.
The high voltage electric field corona discharge assembly at least includes metallic plate and spray point, and the Semen Viciae fabae is on a metal plate most
Big tiling thickness is 10～20mm, and spray point is 40-60mm with metallic plate minimum range, and the spacing between spray point is 50-
65mm。
For problem present in background technology, inventor carries out in-depth study to the physical fresh-keeping method of Semen Viciae fabae,
Radix Artemisia ordosicae be have selected in numerous native insecticidal plants, antibacterial insecticidal action is played using the volatilization of Radix Artemisia ordosicae quintessence oil, but inventor sends out again
It is existing, as Semen Viciae fabae has thicker epidermis, only in methods such as common stifling or immersions, it is difficult to Radix Artemisia ordosicae quintessence oil is infiltrated in Semen Viciae fabae
Portion.To solve the above problems, inventor promotes the volatilization of Radix Artemisia ordosicae quintessence oil first with isoperibol, then makes under elevated pressure conditions to wave
The Radix Artemisia ordosicae gas for sending shows as approximate supercriticality, is allowed to have extremely strong penetrating power such that it is able to penetrate into Semen Viciae fabae
Inside, obtains excellent antibacterial insecticidal effect.
The Radix Artemisia ordosicae has strong volatility because can also make to remain on Semen Viciae fabae swashing thorn nature and flavor road, affect Semen Viciae fabae mouthfeel and
Fragrance, to this problem, inventor carries out vacuum high-pressure electric field Corona discharge Treatment to Semen Viciae fabae, produces using in corona discharge process
Ion beam make to remain in Radix Artemisia ordosicae gas molecule energy increase in Semen Viciae fabae, cause the fracture of hydrogen bond between chain molecule group, from
And the volatile ingredient molecular structure in brokenization Radix Artemisia ordosicae, the sharp thorn nature and flavor road that Radix Artemisia ordosicae brings fast and effectively is eliminated, meanwhile, invention
People also has found that vacuum high-pressure electric field Corona discharge Treatment also has killing action to the worm's ovum inside Semen Viciae fabae.And evacuation environment
Under, the action effect of one side energy reinforced high pressure corona field, moreover it is possible to further go to eliminate the unusual smell is thorough next using Radix Artemisia ordosicae quintessence oil except solving
Variety of problems.
The selected temperature for promoting the volatilization of Radix Artemisia ordosicae quintessence oil is preferably 100～120 DEG C, and temperature is selected should not be too high, it is to avoid
There is unfavorable chemical reaction because of high temperature in Radix Artemisia ordosicae quintessence oil；Selected pressure be 9～14MPa, pressure improve not only equipment is resisted
Pressure energy power proposes requirements at the higher level, and can improve in high pressure permeability processing procedure, the loss of Semen Viciae fabae product nutrient substances, it is too low then
Radix Artemisia ordosicae quintessence oil gas density can not be made up to 0.68～0.85g/cm3Approximate supercriticality；The selected high pressure permeability time
For 50～80min, the high pressure permeability time is unsuitable long, but the Chinese mugwort of Semen Viciae fabae and the approximate supercriticality of extremely strong penetration is met
Artemisia gas is fully contacted, and penetrates Semen Viciae fabae deep layer, it is ensured that killing pests and suppressing bacteria effect.
Further, preferably drain in step (2) followed by blow the moisture content for process being mixed to reduce Semen Viciae fabae surface through air-flow
Content, further suppresses the growth of Semen Viciae fabae surface microorganism, and it is 40～60 DEG C preferably control air-flow and blow to mix treatment temperature, and the time is
It is dried under the conditions of 30～50min, temperature selects the too high destruction for not only resulting in thermal sensitivity nutritional labeling, and selects higher
In order to meet the needs of outside moisture evaporation, internal moisture is accelerated, to surface migration, to be easily caused and taken on temperature Semen Viciae fabae surface
The soluble component of band is separated out on surface, so as to cause the hardening on Semen Viciae fabae surface；The selected time is unsuitable too short, and the time is too short
It is unfavorable for the drying on Semen Viciae fabae surface, preferred control Semen Viciae fabae water content is down to less than 10%.
In step (4), the high voltage electric field corona discharge assembly is commercial products (as Shanghai will encourages the scientific and technological limited public affairs of environmental protection
Department's production), at least including the spray point that metallic plate and metallic plate upper vertical are downward, Semen Viciae fabae maximum on a metal plate is put down
Paving thickness is preferably 10-20mm, and the spacing between spray point is 50-65mm, and electric discharge needle tip is excellent with metallic plate minimum range
Elect 40～60mm as.The distance between selected maximum tiling thickness and discharge needle tip and metallic plate should not select excessive, mistake
Big spacing is not good to the killing effect of worm's ovum, also extends the time of high voltage electric field Corona discharge Treatment；High-voltage corona field intensity
Spend for 50-210KV, high voltage electric field corona discharge intensity is too high, and requirements at the higher level, and the product to Semen Viciae fabae can be proposed to working condition
Matter is also adversely affected, but high-voltage corona field intensity is in below 50KV, kills the effect of worm's ovum not notable；Selection of time is long
It is unfavorable for controlling production efficiency, and prolonged high voltage electric field Corona discharge Treatment is unfavorable for keeping the quality of Semen Viciae fabae, and the time
The too short effect that can affect to kill worm's ovum；
Beneficial effect：
(1) whole process does not use chemical substance immersion treatment, it is to avoid the food safety potential problem that chemical substance is brought.
(2) Radix Artemisia ordosicae quintessence oil is enable to show as approximate supercriticality than using merely Radix Artemisia ordosicae quintessence oil suffocating treatment during high pressure permeability
Play more significant antibacterial insecticidal action.(3) using volatility in the ion beam brokenization Radix Artemisia ordosicae produced in corona discharge process into
Molecular structure, also has significant killing action to the worm's ovum inside Semen Viciae fabae.Material temperature will not have both been made in corona discharge process
Degree is raised, and in combination with evacuation environment, also solves the final products Peculiar Smell that Radix Artemisia ordosicae gas residue is brought.(4) this
Semen Viciae fabae prepared by bright method under the conditions of 1～5 DEG C cold storing and fresh-keeping up to more than 80 days, its color and luster, mouthfeel, abnormal smells from the patient and nutritive value
It is effectively guaranteed, with wide market application foreground.
Specific embodiment
Below in conjunction with specific embodiment, the technical scheme in the present invention is clearly and completely described.
Embodiment 1
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.5h；
(3), drain, air-flow blows mixes process：By Jing the Semen Viciae fabae faced after processing is surpassed at lucifuge, 15 DEG C of low temperature, quickly drain,
Then 30min is dried with net belt type pneumatic drier under the conditions of 40 DEG C；
(4), high pressure permeability is processed：10ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in 100 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Volatilization, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Fructus Jujubaes, and to plenum chamber using high-pressure pump
Pressurization, it is ensured that the pressure in plenum chamber shows as 0.68～0.85g/cm of density in 9MPa, now Radix Artemisia ordosicae quintessence oil gas3It is near
Like supercriticality, process time is 50min；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that in 10mm, with metallic plate apart from 40mm, high-voltage corona field intensity is 50KV to electric discharge needle tip to the thickness that tiles after dress sample,
High voltage electric field Corona discharge Treatment 12h is carried out under vacuum conditions, it is ensured that vacuum is in 2000～2500Pa；
(6), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
Embodiment 2
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 2h；
(3), drain, air-flow blows mixes process：By the Semen Viciae fabae Jing after processing at lucifuge, 25 DEG C of low temperature, quickly drain, then
With net belt type pneumatic drier under the conditions of 60 DEG C, 50min is dried；
(4), high pressure permeability is processed：15ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in 100 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Volatilization, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Fructus Jujubaes, and to plenum chamber using high-pressure pump
Pressurization, it is ensured that the pressure in plenum chamber shows as 0.68～0.85g/cm of density in 14MPa, now Radix Artemisia ordosicae quintessence oil gas3's
Approximate supercriticality, process time is 80min；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that in 20mm, with metallic plate apart from 60mm, high-voltage corona field intensity is 210KV to electric discharge needle tip to the thickness that tiles after dress sample,
High voltage electric field Corona discharge Treatment 18h is carried out under vacuum conditions, it is ensured that vacuum is in 2000～2500Pa；
(6), it is vacuum-packed：By dried Semen Viciae fabae, it is vacuum-packed with aluminium foil bag, and presses 0.5～1% (w/ within a package
W) put a pouch for being packaged with Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1～5 DEG C.
Embodiment 3
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.8h；
(3), drain, air-flow blows mixes process：By the Semen Viciae fabae Jing after processing at lucifuge, 20 DEG C of low temperature, quickly drain, then
With net belt type pneumatic drier under the conditions of 50 DEG C, 40min is dried；
(4), high pressure permeability is processed：13ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in 110 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Volatilization, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Fructus Jujubaes, and to plenum chamber using high-pressure pump
Pressurization, it is ensured that the pressure in plenum chamber shows as 0.68～0.85g/cm of density in 12MPa, now Radix Artemisia ordosicae quintessence oil gas3's
Approximate supercriticality, process time is 65min；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that in 15mm, with metallic plate apart from 50mm, high-voltage corona field intensity is 130KV to electric discharge needle tip to the thickness that tiles after dress sample,
High voltage electric field Corona discharge Treatment 15h is carried out under vacuum conditions, it is ensured that vacuum is in 2000～2500Pa；
(6), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
Comparison example 1：Without Radix Artemisia ordosicae quintessence oil in high pressure permeability
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：Above-mentioned Semen Viciae fabae is retained into shell, is immersed in ultra-pure water, remove the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.5h；
(3), drain, air-flow blows mixes process：By the Semen Viciae fabae Jing after processing at lucifuge, 15 DEG C of low temperature, quickly drain, then
With net belt type pneumatic drier under the conditions of 40 DEG C, 30min is dried；
(4), high pressure permeability is processed：100g Fructus Jujubaes are loaded in plenum chamber, and plenum chamber is pressurizeed, it is ensured that high pressure gas
In 9MPa, process time is 50min to indoor pressure；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that after dress sample, in 10mm, with metallic plate apart from 40mm, high-voltage corona field intensity is electric discharge needle tip maximum tiling thickness
50KV, carries out high voltage electric field Corona discharge Treatment 12h, it is ensured that vacuum is in 2000～2500Pa under vacuum conditions；
(6), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
Comparison example 2：Vacuum high-pressure electric field Corona discharge Treatment is not used
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.5h；
(3), drain, air-flow blows mixes process：By the Semen Viciae fabae Jing after processing at lucifuge, 15 DEG C of low temperature, quickly drain, then
With net belt type pneumatic drier under the conditions of 40 DEG C, 30min is dried；
(4), high pressure permeability is processed：10ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in 100 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Volatilization, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Semen Viciae fabaes, and to plenum chamber using high-pressure pump
Pressurization, it is ensured that the pressure in plenum chamber shows as 0.68～0.85g/cm of density in 9MPa, now Radix Artemisia ordosicae quintessence oil gas3It is near
Like supercriticality, process time is 50min；
(5), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(6), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
Comparison example 3：High pressure permeability is adopted to process using Radix Artemisia ordosicae quintessence oil but not
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.5h；
(3), drain, air-flow blows mixes process：By Jing the Semen Viciae fabae faced after processing is surpassed at lucifuge, 15 DEG C of low temperature, quickly drain,
Then 30min is dried with net belt type pneumatic drier under the conditions of 40 DEG C；
(4), infiltration is processed：10ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in waving for 100 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Send out, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Semen Viciae fabaes, now not to plenum chamber using high-pressure pump
Pressurization, process time is 50min；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that in 10mm, with metallic plate apart from 40mm, high-voltage corona field intensity is 50KV to electric discharge needle tip to the thickness that tiles after dress sample,
High voltage electric field Corona discharge Treatment 12h is carried out under vacuum conditions, it is ensured that vacuum is in 2000～2500Pa；
(6), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
Comparison example 4：Do not use air-flow to blow and mix process
(1), pluck：Fresh broad bean is plucked, is selected without going rotten, without insect pest, the Semen Viciae fabae having no mechanical damage；
(2), soaking and washing：The Semen Viciae fabae of above-mentioned harvesting is immersed in ultra-pure water, removes the impurity and ash on Semen Viciae fabae surface
Dirt, then ultrasound 1.5h；
(3), drain：By the Semen Viciae fabae Jing after processing at lucifuge, 15 DEG C of low temperature, quickly drain；
(4), high pressure permeability is processed：10ml Radix Artemisia ordosicae quintessence oils are added in heating chamber, in 100 DEG C of promotion Radix Artemisia ordosicae quintessence oils of constant temperature
Volatilization, the Radix Artemisia ordosicae gas of volatilization is pumped in the plenum chamber equipped with 100g Fructus Jujubaes, and to plenum chamber using high-pressure pump
Pressurization, it is ensured that the pressure in plenum chamber shows as 0.68～0.85g/cm of density in 9MPa, now Radix Artemisia ordosicae quintessence oil gas3It is near
Like supercriticality, process time is 50min；
(5), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae is put into into the metallic plate of high voltage electric field corona discharge assembly
On, it is ensured that after dress sample, in 10mm, with metallic plate apart from 40mm, high-voltage corona field intensity is electric discharge needle tip maximum tiling thickness
50KV, carries out high voltage electric field Corona discharge Treatment 12h, it is ensured that vacuum is in 2000～2500Pa under vacuum conditions；
(6), it is vacuum-packed：By dried Semen Viciae fabae, be vacuum-packed with aluminium foil bag, and one put by 1% (w/w) within a package
It is packaged with the pouch of Fe powder deoxidizers；
(7), cold preservation：The cold storing and fresh-keeping under the conditions of 1 DEG C.
By embodiment 1-3 and Semen Viciae fabae obtained in comparative example 1-4 after 1 DEG C of storage 30 days, each example randomly selects 3
Individual sample removal In Aluminium Foil Packing, 3 sample mda contents of sampling and measuring, polyphenol oxidase activity, soluble sugar, deworming rates,
And preservation term.
The experimental result of 1 each case index of correlation of table
Claims (7)
1. a kind of physical fresh-keeping method of Semen Viciae fabae, it is characterised in that first using the Radix Artemisia ordosicae quintessence oil gas pair of approximate supercriticality
Fresh broad bean carries out high pressure permeability process, then again to Semen Viciae fabae use high voltage electric field Corona discharge Treatment, most after Jing vacuum packaging
Cold preservation afterwards.
2. the physical fresh-keeping method of Semen Viciae fabae as claimed in claim 1, it is characterised in that comprise the following steps：
(1), soaking and washing：Fresh broad bean is immersed in ultra-pure water, the impurity and dust on Semen Viciae fabae surface is removed, then ultrasound 1
～1.5h；
(2), drain：Semen Viciae fabae after will be sonicated is quickly drained under lucifuge, cryogenic conditions, is then charged into plenum chamber
In；
(3), high pressure permeability is processed：Radix Artemisia ordosicae quintessence oil is added in heating chamber, in waving for 100-120 DEG C of promotion Radix Artemisia ordosicae quintessence oil of constant temperature
Send out, the Radix Artemisia ordosicae quintessence oil gas of volatilization is pumped in the plenum chamber equipped with Semen Viciae fabae using high-pressure pump, and plenum chamber is pressurizeed
And 9～14MPa is maintained at, Radix Artemisia ordosicae quintessence oil gas density is made up to 0.68～0.85g/cm3Approximate supercriticality, process time
For 50～80min；
(4), vacuum high-pressure electric field Corona discharge Treatment：Semen Viciae fabae Jing after high pressure permeability process is loaded into high voltage electric field corona discharge
In device, high voltage electric field Corona discharge Treatment is carried out under vacuum conditions；
(5) Semen Viciae fabae of Jing outage piezoelectric field Corona discharge Treatments is vacuum-packed, is put into deoxidizer, the cold preservation under the conditions of 1～5 DEG C
It is fresh-keeping.
3. the physical fresh-keeping method of Semen Viciae fabae as claimed in claim 2, it is characterised in that in the step (2), it is described drain after
Carry out air-flow and blow mixing process, with net belt type pneumatic drier under the conditions of 40～60 DEG C, be dried 30～50min.
4. the physical fresh-keeping method of Semen Viciae fabae as claimed in claim 2 or claim 3, it is characterised in that in the step (2), when draining
Cryogenic temperature is controlled for 15～25 DEG C.
5. the physical fresh-keeping method of Semen Viciae fabae as claimed in claim 2, it is characterised in that in the step (4), controls high-tension electricity
Intensity of having stage fright is 50～210KV, and process time is 12-18h.
6. the physical fresh-keeping method of the Semen Viciae fabae as described in claim 2 or 5, it is characterised in that in step (4), controls vacuum
In 2000～2500Pa.
7. the physical fresh-keeping method of the Semen Viciae fabae as described in claim 2 or 5, it is characterised in that in the step (4), the height
Piezoelectric field corona discharge assembly at least includes metallic plate and spray point, and the Semen Viciae fabae maximum tiling thickness on a metal plate is 10
～20mm, spray point are 40-60mm with metallic plate minimum range, and the spacing between spray point is 50-65mm.
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