CN107691622A - Deep cooling cold storage aquatic products bacteria reducing method - Google Patents
Deep cooling cold storage aquatic products bacteria reducing method Download PDFInfo
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- CN107691622A CN107691622A CN201710874632.4A CN201710874632A CN107691622A CN 107691622 A CN107691622 A CN 107691622A CN 201710874632 A CN201710874632 A CN 201710874632A CN 107691622 A CN107691622 A CN 107691622A
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- cold storage
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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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B4/18—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
- A23B4/20—Organic compounds; Microorganisms; Enzymes
-
- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/06—Freezing; Subsequent thawing; Cooling
-
- 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
- A23B4/00—General methods for preserving meat, sausages, fish or fish products
- A23B4/14—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12
- A23B4/18—Preserving with chemicals not covered by groups A23B4/02 or A23B4/12 in the form of liquids or solids
- A23B4/20—Organic compounds; Microorganisms; Enzymes
- A23B4/22—Microorganisms; Enzymes; Antibiotics
-
- 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
Abstract
The invention discloses deep cooling cold storage aquatic products bacteria reducing method, comprise the following steps：Obtain subacidity electrolysis water, prepare bactericidal agent, ultra high pressure treatment, deep cooling cold storage.Have the beneficial effect that：Subacidity electrolysis water in this method has higher effective chlorine density and redox point position, and its effective chlorine composition has stronger oxidisability and the ability of penetration cell film, can effectively destroy the eucaryotic cell structure of microorganism, kill microorganism；And it can rapidly decompose and be reduced to light water, safety non-pollution；Antibacterial peptide can effectively kill gram-positive bacteria, and it acts on microbial cell film, and the ion channel of cross-film is formed on film, the integrality of film is destroyed, causes cellular content to leak, so as to kill cell；This method can also preserve retentiveness, tenderness, gelling and the nutritive value of aquatic products meat after long-term cold storage, therefore have broad application prospects.
Description
Technical field
The present invention relates to aquatic product cold storage field, more particularly, to a kind of deep cooling cold storage aquatic products bacteria reducing method.
Technical background
Aquatic products contain quite abundant mineral matter, and every 100 grams of ocean fishes are about phosphorous 310 milligrams, 35 milligrams of calcic, containing potassium
300 milligrams, containing 90 milligrams of sodium, 200 milligrams of sulfur-bearing, chloride 120 milligrams, aquatic products delicious meat is nutritious, has become people
The important component of class diet.Compared with poultry, fowl with land, fish are because of its habitat, fishery harvesting mode and own characteristic
It is putrid and deteriorated etc. being more easy to, therefore preservation of fishery just becomes particularly important.
Moisture and protein content height, endogenous enzyme activity are strong in chilled aquatic products, and it is in transport, processing and storage
Easily by microbiological attack, product quality deterioration even corruption is caused, therefore aquatic products not storage tolerance, commodity shelf phase phase after catching
To shorter.Aquatic products freezing suppresses activity and the breeding of attached microbial of aquatic products autolysis enzyme using cryogenic conditions, and
Slow down the chemical reaction velocities such as its lipid oxidation, be allowed to that in storage period excellent quality can be kept.Come for frozen fish
Say, even if under cryogenic also it is uncontrollable some thermophilic cold cause a disease and cause rotten microorganism growth and breeding, these microorganisms
Growth, breeding not only result in the quality deteriorations of aquatic products, severe patient can also directly jeopardize the health and lives of eater, show
So, for partial freeze aquatic products and related industry, cause a disease and cause rotten microorganism to have become serious potential safety hazard
And the problem of in the urgent need to address.
It using cryogenic refrigeration preservation technique, can freeze more than 90% moisture in aquatic products, endogenous enzyme activity and microorganism life
Length is almost suppressed completely, so that it is stored for a long time, therefore, freeze cutting is with storage method for ensureing aquatic products
High-quality quality and longer shelf life, there is the important function do not replaced.
At present, the technology on cold storage aquatic products has many methods, and prior art is as authorized public number
The B of CN 106234561 Chinese invention patent, disclose a kind of aquatic product low temperature freeze preservation method and system, the party
Method carries out anti-oxidant treatment using anti-oxidant solution to aquatic products, and the aquatic products after vacuum packaging are entered using low temperature vigor liquid
Row cryogenic refrigeration is handled, and has the advantages of processing method is simple and easy, but it is only that aquatic products are entered using antioxidant
With regard to carrying out cryogenic refrigeration processing after row processing, it can not carry out suppression killing to the harmful bacteria inside aquatic products, and at low temperature
Comprehending influences the meat of aquatic products, therefore is unworthy promoting.
The content of the invention
It is an object of the invention to provide a kind of efficient, nonhazardous material residual deep cooling cold storage aquatic products bacteria reducing side
Method.
The present invention is directed to the problem of being mentioned in background technology, and the technical scheme taken is：Deep cooling cold storage aquatic products bacteria reducing side
Method, including：Obtain subacidity electrolysis water, prepare bactericidal agent, ultra high pressure treatment, deep cooling cold storage, specifically include following steps：
Obtain subacidity electrolysis water：Weigh the pure grade sodium chloride 100-105 parts of analysis to be placed in container, add dissolved in purified water, amount
36-38% concentrated hydrochloric acid 80-81 parts are taken, is slowly injected in container, is shaken up, static 2-3 minutes, 1000 parts are settled to pure water
Obtain electrolyte；500-600 part electrolyte is added to being electrolysed without diaphragm type electrolysis water preparing instrument in bucket, is settled to pure water
10000 parts, shake up, operation instrument production electrolysis water, decomposition voltage 15-16V, stop to obtain electrolysis water after being electrolysed 2.5-3 hours；
Electrolysis water is taken at a temperature of 3-4 DEG C, 15-25 minutes are stirred with 200-240r/min rotating speeds, then lucifuge is stored up at a temperature of 3-4 DEG C
Deposit；Resulting subacidity electrolysis water effective chlorine density up to 1350-1500mg/L, oxidation-reduction potential 1200-1300mV,
PH is 5.8-6.5；The effective chlorine composition HCl0 of slightly sour electrolysis water has stronger oxidisability and the ability of penetration cell film, can have
Destroy the eucaryotic cell structure of microorganism, kill microorganism in effect ground；Subacidity electrolysis water has very big with traditional chemical disinfection, bactericide
Difference, the active component property that it contains is unstable, and after being contacted with light, organic matter etc., active ingredient can be decomposed progressively, sterilization
Rear oxidation reduction potential declines rapidly, decomposes quickly and is reduced to light water, and discharging does not have any pollution to environment, and traditional
Learn disinfectant to compare, there is safety, noresidue, free of contamination feature；
Prepare bactericidal agent：Weigh chitosan 2-4 parts, sodium carboxymethylcellulose 1.5-2 parts, biology enzyme 3-5 parts, plant extracts 5-
8 parts, cold storage protective agent 3-5 parts, nisin 1-2 parts, bacteriostatic peptide 2-3 parts, distilled water 90-100 parts, in 5-8 DEG C of temperature
Under, being stirred 10-12 minutes obtains bactericidal agent；Antibacterial peptide can effectively kill gram-positive bacteria, and it is thin that it acts on microorganism
After birth, the ion channel of cross-film is formed on film, the integrality of film is destroyed, causes cellular content to leak, so as to kill cell；
Cold storage protective agent can preserve retentiveness, tenderness, gelling and the nutritive value of aquatic products meat after long-term cold storage；It is antibacterial
The amino acid sequence of peptide is：SCASRCKSRCRARRCRAGCRARRCGYYVSVFRC；
Ultra high pressure treatment：Fresh aquatic products are steeped and are contained with the Polythene Bag of subacidity electrolysis water, drain air heat-sealing
After carry out ultra high pressure treatment, the dwell time is 5-6 minutes, pressure 300-400MPa；Stand subject to sterilization dose into water droplet drip when, will
Aquatic products are immediately placed in quick-frozen 30-45 minutes in -20 ~ -25 DEG C of refrigerators, aquatic products surface is rapidly reached freezing temperature with inside
Degree；Under super-pressure, hydrone produces infiltration and filling effect with hypochlorous acid molecule, is more easy to enter inside microbial cell, enters
And strengthen bactericidal effect；Super-pressure can also destroy the cell membrane of microorganism, cell membrane, influence the cellular morphology knot of microorganism
Structure, inhereditary material etc., the harmful microorganism in food, the enzyme activity being passivated in food are effectively killed at the even lower temperature of normal temperature
Property, so as to reach the purpose of sterilization, blunt enzyme and improvement food function characteristic；
Deep cooling cold storage：Aquatic products after freezing are taken out and are immediately placed in bactericidal agent, the 5-8 seconds is soaked, -20 is immediately placed in after taking-up
Quick-frozen 5-8 minutes, are then taken out, soak, be quick-frozen in ~ -25 DEG C of refrigerators, and -45 ~ -60 DEG C of deep-freezings are placed in after so repeatedly 2-3 times
Hide；Fungicidal active substance is slowly discharged in bactericidal agent nilas, its is effectively extended and sterilizes effective acting time, longer storage can be achieved
Hide in the time to the bacteriostatic activity and preservation of product.
Preferably, plant extracts used is origanum oil or thyme essential oil or citrus extracts or quince juice or climing
More certain kind of berries juice or citric acid.
Preferably, cold storage protective agent used is sucrose or polyethylene glycol or dimethyl sulfoxide (DMSO) or ethylene glycol or propane diols
Or glycerine or acetamide.
Compared with prior art, the advantage of the invention is that：1）The inventive method raw materials are natural environmental-protective material
Material or harmless organic matter, nontoxic secondary material residual；2）Cold storage protective agent can preserve aquatic products after long-term cold storage
The mouthfeel of product meat, retentiveness, tenderness, gelling and nutritive value are injury-free；3）Antibacterial substance can enter gram
In positive bacteria and other harmful bacterias, its cell membrane, cell membrane are acted on, fundamentally kills microorganism, in bactericidal agent nilas
Slowly release Fungicidal active substance, effectively extend it and sterilize effective acting time, can be achieved in longer storage time to product
Bacteriostatic activity and preservation, therefore be it is a kind of efficiently, the deep cooling cold storage aquatic products bacteria reducing method of safety, have it is wide should
Use prospect.
Embodiment
The present invention program is described further below by embodiment：
Embodiment 1：
Deep cooling cold storage aquatic products bacteria reducing method, specifically includes following steps：
1）The electrolysis of 500ml sodium chloride and hydrochloric acid weak solution composition is added into the electrolysis bucket without diaphragm type electrolysis water preparing instrument
Liquid, with pure water constant volume 10L, shake up, operation instrument production electrolysis water, decomposition voltage 15, electrolysis stops electric after 2.5 hours
Xie Shui；Electrolysis water is taken at a temperature of 3 DEG C, is stirred 15 minutes with 200r/min rotating speeds, then lucifuge stores at a temperature of 3 DEG C；It is micro-
For the effective chlorine composition of sour electrolysis water based on HCl0, HClO has stronger oxidisability and the ability of penetration cell film, can be effective
Destroy the eucaryotic cell structure of microorganism, kill microorganism in ground；2）Weigh 2 parts of chitosan, 1.5 parts of sodium carboxymethylcellulose, biology enzyme 3
Part, 5 parts of origanum oil, 3 parts of dimethyl sulfoxide (DMSO), 1 part of nisin, 2 parts of bacteriostatic peptide, 90 parts of distilled water, at a temperature of 5 DEG C,
It is stirred 10 minutes to obtain bactericidal agent；Antibacterial peptide can effectively kill gram-positive bacteria；3）Fresh aquatic products are steeped into Sheng
It is placed with the Polythene Bag of subacidity electrolysis water, carries out ultra high pressure treatment after draining air heat-sealing, the dwell time is 5 minutes, pressure
Power 300MPa；Stand subject to sterilization dose into water droplet drip when, aquatic products are immediately placed in -20 DEG C of refrigerators quick-frozen 30 minutes, superelevation
Pressure can strengthen fungistatic effect；4）Aquatic products after freezing are taken out and are immediately placed in bactericidal agent, are soaked 5 seconds, it is rapid after taking-up
It is placed in -20 DEG C of refrigerators quick-frozen 5 minutes, then takes out, soaks, be quick-frozen, -45 DEG C of deep cooling cold storage is placed in after so repeatedly 2 times；Go out
Fungicidal active substance is slowly discharged in microbial inoculum nilas, its is effectively extended and sterilizes effective acting time, when longer storage can be achieved
Interior bacteriostatic activity and preservation to product.
Embodiment 2：
Deep cooling cold storage aquatic products bacteria reducing method, specifically includes following steps：
1）600ml electrolyte is added into the electrolysis bucket without diaphragm type electrolysis water preparing instrument, with pure water constant volume 10L, is shaken up, is transported
Row instrument produces electrolysis water, decomposition voltage 16V, and electrolysis stops to obtain electrolysis water after 3 hours；Electrolysis water is taken at a temperature of 4 DEG C, with
240r/min rotating speeds stir 25 minutes, and then lucifuge stores at a temperature of 4 DEG C；Resulting subacidity electrolysis water effective chlorine density
Up to 1350-1500mg/L, redox point position is 1200-1300mV, pH 5.8-6.5；
2）Weigh 4 parts of chitosan, 2 parts of sodium carboxymethylcellulose, 5 parts of biology enzyme, 8 parts of quince juice, 5 parts of sucrose, streptococcus lactis
2 parts of element, 3 parts of bacteriostatic peptide, 100 parts of distilled water, at a temperature of 8 DEG C, it is stirred 112 minutes to obtain bactericidal agent；Antibacterial peptide can have
Effect kills gram-positive bacteria, and it acts on microbial cell film, and the ion channel of cross-film is formed on film, destroys the complete of film
Property, cause cellular content to leak, so as to kill cell；
3）Fresh aquatic products are steeped and are contained with the Polythene Bag of subacidity electrolysis water, superelevation is carried out after draining air heat-sealing
Pressure processing, dwell time are 6 minutes, pressure 400MPa；Stand subject to sterilization dose into water droplet drip when, aquatic products are immediately placed in-
Quick-frozen 45 minutes in 25 DEG C of refrigerators, aquatic products surface is set to be rapidly reached cryogenic temperature with inside；Under super-pressure, hydrone with time
Chloric acid molecule produces infiltration and filling effect, is more easy to enter inside microbial cell, and then strengthen bactericidal effect；
4）Aquatic products after freezing are taken out and are immediately placed in bactericidal agent, soaks 8 seconds, is immediately placed in after taking-up in -25 DEG C of refrigerators
Quick-frozen 8 minutes, then take out, soak, be quick-frozen, -60 DEG C of deep cooling cold storage are placed in after so repeatedly 3 times；In bactericidal agent nilas slowly
Fungicidal active substance is discharged, it is effectively extended and sterilizes effective acting time, the suppression to product in longer storage time can be achieved
Bacterium activity and preservation；
Embodiment 3：
Deep cooling cold storage aquatic products bacteria reducing method, specifically includes following steps：
Obtain subacidity electrolysis water：Weigh the pure grade sodium chloride 100g of analysis to be placed in 1000ml volumetric flasks, add dissolved in purified water,
36% concentrated hydrochloric acid 80ml is measured, is slowly shaken up in injection capacity bottle, being settled to 1000ml with pure water obtains electrolyte；To without every
500ml electrolyte is added in the electrolysis bucket of membrane type electrolysis water preparing instrument, with pure water constant volume 10L, is shaken up, operation instrument production electricity
Xie Shui, decomposition voltage 16V, electrolysis stop to obtain electrolysis water after 3 hours；Electrolysis water is taken at a temperature of 4 DEG C, with 240r/min rotating speeds
Stirring 20 minutes, then lucifuge stores at a temperature of 4 DEG C；Resulting subacidity electrolysis water effective chlorine density is up to 1350-
1500mg/L, redox point position are 1200-1300mV, pH 5.8-6.5；The effective chlorine composition of slightly sour electrolysis water using HCl0 as
Main, HClO has stronger oxidisability and the ability of penetration cell film, and eucaryotic cell structure, the killing that can effectively destroy microorganism are micro-
Biology；Subacidity electrolysis water is very different with traditional chemical disinfection, bactericide, and its active component property contained is unstable
Fixed, after contact with light, organic matter etc., active ingredient can be decomposed progressively, sterilized rear oxidation reduction potential and declined rapidly, decompose quickly
And light water is reduced to, discharging does not have any pollution to environment, compared with traditional chemical disinfectant, has safety, noresidue, nothing
The characteristics of pollution；
Prepare bactericidal agent：Weigh 4 parts of chitosan, 1.5 parts of sodium carboxymethylcellulose, 4 parts of biology enzyme, 3 parts of Cranberry Juice Cocktail, citric acid
3 parts, 4 parts of ethylene glycol, 2 parts of nisin, 3 parts of bacteriostatic peptide, 100 parts of distilled water, at a temperature of 5 DEG C, be stirred 12 points
Clock obtains bactericidal agent；Antibacterial peptide can effectively kill gram-positive bacteria, and it acts on microbial cell film, and cross-film is formed on film
Ion channel, destroy the integrality of film, cause cellular content to leak, so as to kill cell；Cold storage protective agent can be in length
Retentiveness, tenderness, gelling and the nutritive value of aquatic products meat are preserved after phase cold storage；
Ultra high pressure treatment：Fresh aquatic products are steeped and are contained with the Polythene Bag of subacidity electrolysis water, drain air heat-sealing
After carry out ultra high pressure treatment, the dwell time is 5 minutes, pressure 300MPa；Stand subject to sterilization dose into water droplet drip when, by aquatic products
It is immediately placed in -20 DEG C of refrigerators quick-frozen 30 minutes, aquatic products surface is rapidly reached cryogenic temperature with inside；Under super-pressure,
Hydrone produces infiltration and filling effect with hypochlorous acid molecule, is more easy to enter inside microbial cell, and then strengthen bactericidal effect；
Super-pressure can also destroy the cell membrane of microorganism, cell membrane, influence cellular prion protein, inhereditary material of microorganism etc.,
At the even lower temperature of normal temperature effectively kill food in harmful microorganism, be passivated food in enzymatic activity, so as to reach sterilization,
The purpose of blunt enzyme and improvement food function characteristic；
Deep cooling cold storage：Aquatic products after freezing are taken out and are immediately placed in bactericidal agent, soaks 5 seconds, -20 DEG C is immediately placed in after taking-up
Quick-frozen 5 minutes in refrigerator, then take out, soak, be quick-frozen, -60 DEG C of deep cooling cold storage are placed in after so repeatedly 3 times；Bactericidal agent nilas
In slowly release Fungicidal active substance, effectively extend its sterilize effective acting time, can be achieved longer storage time in production
The bacteriostatic activity and preservation of product；
Routine operation in the operating procedure of the present invention is well known to those skilled in the art, herein without repeating.
Technical scheme is described in detail embodiment described above, it should be understood that it is described above only
For the specific embodiment of the present invention, it is not intended to limit the invention, all any modifications made in the spirit of the present invention,
Supplement or similar fashion replacement etc., should be included in the scope of the protection.
Sequence table
<110>Zhejiang International Maritime College
<120>Deep cooling cold storage aquatic products bacteria reducing method
<160> 1
<170> SIPOSequenceListing 1.0
<210> 1
<211> 33
<212> PRT
<213>Artificial synthesized (Mytilus coruscus)
<400> 1
Ser Cys Ala Ser Arg Cys Lys Ser Arg Cys Arg Ala Arg Arg Cys Arg
1 5 10 15
Ala Gly Cys Arg Ala Arg Arg Cys Gly Tyr Tyr Val Ser Val Phe Arg
20 25 30
Cys
Claims (8)
1. deep cooling cold storage aquatic products bacteria reducing method, including：Obtain subacidity electrolysis water, prepare bactericidal agent, ultra high pressure treatment, deep cooling
Cold storage, it is characterised in that：The described bactericidal agent step for preparing is：Weigh chitosan, sodium carboxymethylcellulose, biology enzyme, plant
Extract, cold storage protective agent, nisin, bacteriostatic peptide, distilled water, at a temperature of 5-8 DEG C, it is stirred 10-12 minutes
Obtain bactericidal agent.
2. deep cooling cold storage aquatic products bacteria reducing method according to claim 1, it is characterised in that：Described acquisition subacidity electricity
Solving water step is：Weigh the pure grade sodium chloride 100-105 parts of analysis to be placed in container, add dissolved in purified water, measure 36-38%'s
Concentrated hydrochloric acid 80-81 parts, slowly inject in container, shake up, static 2-3 minutes, being settled to 1000 parts with pure water obtains electrolyte；To
It is electrolysed without diaphragm type electrolysis water preparing instrument in bucket and adds 500-600 part electrolyte, be settled to 10000 parts with pure water, shake up, is transported
Row instrument produces electrolysis water, decomposition voltage 15-16V, stops to obtain electrolysis water after being electrolysed 2.5-3 hours；Electrolysis water is taken at 3-4 DEG C
At a temperature of, 15-25 minutes are stirred with 200-240r/min rotating speeds, then lucifuge stores at a temperature of 3-4 DEG C.
3. deep cooling cold storage aquatic products bacteria reducing method according to claim 1, it is characterised in that：Described prepares bactericidal agent step
Suddenly it is：Weigh chitosan 2-4 parts, sodium carboxymethylcellulose 1.5-2 parts, biology enzyme 3-5 parts, plant extracts 5-8 parts, cold storage guarantor
Agent 3-5 parts, nisin 1-2 parts, bacteriostatic peptide 2-3 parts, distilled water 90-100 parts are protected, at a temperature of 5-8 DEG C, is stirred
10-12 minutes obtain bactericidal agent.
4. deep cooling cold storage aquatic products bacteria reducing method according to claim 3, it is characterised in that：Described prepares in bactericidal agent
The amino acid sequence of bacteriostatic peptide be：SCASRCKSRCRARRCRAGCRARRCGYYVSVFRC.
5. deep cooling cold storage aquatic products bacteria reducing method according to claim 3, it is characterised in that：Described prepares bactericidal agent step
Plant extracts in rapid is origanum oil or thyme essential oil or citrus extracts or quince juice or Cranberry Juice Cocktail or citric acid.
6. deep cooling cold storage aquatic products bacteria reducing method according to claim 3, it is characterised in that：Described prepares bactericidal agent step
Cold storage protective agent in rapid is sucrose or polyethylene glycol or dimethyl sulfoxide (DMSO) or ethylene glycol or propane diols or glycerine or acetamide.
7. deep cooling cold storage aquatic products bacteria reducing method according to claim 1, it is characterised in that：Described ultra high pressure treatment step
Suddenly it is：Fresh aquatic products are steeped and are contained with the Polythene Bag of subacidity electrolysis water, superelevation is carried out after draining air heat-sealing
Pressure processing, the dwell time is 5-6 minutes, pressure 300-400MPa；Stand subject to sterilization dose into water droplet drip when, aquatic products are rapid
Quick-frozen 30-45 minutes in -20 ~ -25 DEG C of refrigerators are placed in, aquatic products surface is rapidly reached cryogenic temperature with inside.
8. deep cooling cold storage aquatic products bacteria reducing method according to claim 1, it is characterised in that：Described deep cooling cold storage step
For：Aquatic products after freezing are taken out and are immediately placed in bactericidal agent, the 5-8 seconds is soaked, -20 ~ -25 DEG C of refrigerators is immediately placed in after taking-up
In quick-frozen 5-8 minutes, then take out, soak, be quick-frozen, -45 ~ -60 DEG C of deep cooling cold storage are placed in after so repeatedly 2-3 times.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109907102A (en) * | 2019-04-10 | 2019-06-21 | 珲春东扬实业有限公司 | A kind of processing technology of aquatic products |
Citations (4)
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|---|---|---|---|---|
| JPH06113718A (en) * | 1992-10-07 | 1994-04-26 | Hoshizaki Electric Co Ltd | Processing of fresh fish and shellfish |
| US6666030B2 (en) * | 2001-05-30 | 2003-12-23 | Permelec Electrode Ltd. | Ice composition containing hydrogen peroxide and method of storing perishable food |
| CN105341137A (en) * | 2015-11-13 | 2016-02-24 | 高邮市应天水产有限公司 | Fresh shrimp freezing and antistaling agent as well as fresh shrimp freezing and antistaling method |
| CN105661264A (en) * | 2016-01-11 | 2016-06-15 | 上海海洋大学 | Ultrahigh pressure sterilization effect enhancing method |
-
2017
- 2017-09-25 CN CN201710874632.4A patent/CN107691622A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06113718A (en) * | 1992-10-07 | 1994-04-26 | Hoshizaki Electric Co Ltd | Processing of fresh fish and shellfish |
| US6666030B2 (en) * | 2001-05-30 | 2003-12-23 | Permelec Electrode Ltd. | Ice composition containing hydrogen peroxide and method of storing perishable food |
| CN105341137A (en) * | 2015-11-13 | 2016-02-24 | 高邮市应天水产有限公司 | Fresh shrimp freezing and antistaling agent as well as fresh shrimp freezing and antistaling method |
| CN105661264A (en) * | 2016-01-11 | 2016-06-15 | 上海海洋大学 | Ultrahigh pressure sterilization effect enhancing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109907102A (en) * | 2019-04-10 | 2019-06-21 | 珲春东扬实业有限公司 | A kind of processing technology of aquatic products |
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