CN110226621A - A kind of refrigerated storage method of preservation of fishery - Google Patents

A kind of refrigerated storage method of preservation of fishery Download PDF

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Publication number
CN110226621A
CN110226621A CN201910644915.9A CN201910644915A CN110226621A CN 110226621 A CN110226621 A CN 110226621A CN 201910644915 A CN201910644915 A CN 201910644915A CN 110226621 A CN110226621 A CN 110226621A
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CN
China
Prior art keywords
preservation
aquatic products
mixed
refrigerated storage
agent
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Pending
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CN201910644915.9A
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Chinese (zh)
Inventor
林勇
陈兴力
孙惠敏
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Fujian Guanfeng Biotechnology Co Ltd
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Fujian Guanfeng Biotechnology Co Ltd
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Priority to CN201910644915.9A priority Critical patent/CN110226621A/en
Publication of CN110226621A publication Critical patent/CN110226621A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/06Freezing; Subsequent thawing; Cooling
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23BPRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B4/00General methods for preserving meat, sausages, fish or fish products
    • A23B4/10Coating with a protective layer; Compositions or apparatus therefor
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23VINDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
    • A23V2002/00Food compositions, function of food ingredients or processes for food or foodstuffs

Abstract

The present invention relates to food preservative technology fields, more particularly to a kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the steps that cleaning and sterilization, antistaling agent impregnate, gas flush packaging and storage freeze, and wherein preservation by partial agent ingredient includes sodium ascorbate, chitosan solution of extract, calcium chloride, glacial acetic acid, nucleoprotamine and deionized water;The present invention provides a kind of refrigerated storage methods of preservation of fishery, compared to general aquatic products using the conventional method for carrying out chilled storage after filling inert gas seal packaging, during processing by sufficiently being impregnated using preservation by partial agent to aquatic products, ice clothing clad is formed on food materials surface by cooling down rapidly again, sodium ascorbate and chitosan extract component are enabled in antistaling agent to inhibit food materials corruption caused by being grown as bacterium colony, the shelf-life for sufficiently to extend the refrigeration of aquatic products and the aquatic products meat feeling after refrigerated storage.

Description

A kind of refrigerated storage method of preservation of fishery
Technical field
The present invention relates to food preservative technology fields, and in particular to a kind of refrigerated storage method of preservation of fishery.
Background technique
Aquatic products have the characteristics that low fat, high protein, are indispensable important components in rational diet structure, have become The important sources of animal protein are absorbed for people.Wherein, the aquatic products meat such as fish, shrimp, crab is lush, unique flavor, Chang You The title of " river is fresh ", " seafood ", the deep favor by the majority of consumers.The freshness of aquatic products is its most important index of quality, is to determine The principal element of its fixed price, in addition aquatic products are easy putrid and deteriorated, it is therefore necessary to reinforce the preservation technology application of aquatic products.
In aquatic products frozen storage, growth and breeding of the various aquatic products common bacterias in aquatic products preserving process are led Cause quality deterioration.Traditional preservation method includes deepfreeze, freezing, irradiated targets, controlled atmosphere, fresh chemically etc., however These preservation technologies respectively have certain limitation.Tradition is using the preservation method of air conditioned storage because cumbersome, investment is big etc. Reason is restricted in small business, and using chemical preservative is fresh-keeping may be because of remaining in environment and human body And a degree of potential hazard is brought, therefore use conventional methods that its process is complicated, at high cost, and condition control is bad will Lead to the bad of storage effect, or causes a hidden trouble to edible safety.
Summary of the invention
Therefore, the present invention provides a kind of refrigerated storage method of preservation of fishery, the present invention is by using antistaling agent Impregnate and fill mutually matched mode with mixed gas sealing, since reach and effectively inhibit bacterium colony growth and keep food materials freshness effect The purpose of fruit.
In order to achieve the above object, the present invention is achieved by the following technical programs:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 5 ~ 8 DEG C or so at a temperature of, be immersed in appropriate In the preservation by partial agent aqueous solution of concentration, aquatic products are taken out after immersion and are cooled to -10 ~ -15 DEG C rapidly, enable aquatic products Surface pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -12 ~ -25 DEG C of freezer and carries out low tempertaure storage.
Preferably, in the step 1 clear water pH value be 6.0 ~ 7.0, enable soaking time of the aquatic products in clear water be 10 ~ The pH adjusting agent of 18min, clear water use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in the step 1, when irradiation Between be 15 ~ 20min.
Preferably, preservation by partial agent used in the step 2, wherein ingredient is by weight: sodium ascorbate 7 ~ 10 parts, 10 ~ 15 parts of chitosan solution of extract, 8 ~ 12 parts of calcium chloride, 6 ~ 9 parts of glacial acetic acid, 10 ~ 16 parts of nucleoprotamine and go from 60 ~ 80 parts of sub- water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in the step 3, used mixed gas be oxygen, nitrogen, carbon dioxide and The mixture of helium two or more gas compositions therein, preferred ingredient are that oxygen, nitrogen and helium are mixed in 1:8:5 ratio It closes.
Preferably, packed gas-control packing device, full-automatic gas control packing device or multiple can be used in the packaging facilities in the step 3 Close gas-control packing device.
The utility model has the advantages that
Compared to general aquatic products using the conventional method for carrying out chilled storage after filling inert gas seal packaging, the present invention The aquatic products fresh-keeping and storing method of offer, during processing by sufficiently being impregnated using preservation by partial agent to aquatic products, then Ice clothing clad is formed on food materials surface by cooling down rapidly, sodium ascorbate and chitosan extract component in antistaling agent is enabled Food materials corruption caused by inhibition is grown as bacterium colony;And the chlorination calcium component added in antistaling agent ingredient, ice clothing can be maintained to cover The relative equilibrium of cap rock and food materials ferritic cell interior saline and alkaline, avoids meat cell from being largely dehydrated during chilled storage, And lead to the freshness excessive descent of food materials after thawing.The present invention is impregnated mutual with mixed gas sealing filling by above-mentioned antistaling agent The mode of cooperation realizes the effective holding effect for inhibiting bacterium colony growth and food materials freshness, sufficiently extends the cold of aquatic products The shelf-life of hiding and the aquatic products meat feeling after refrigerated storage.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is preparation flow artwork of the invention.
In figure: 1- is cleaned, 2- is sterilized, the immersion of 3- antistaling agent, 4- gas flush packaging, 5- chilled storage.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention, Technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention one Divide embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making Every other embodiment obtained, shall fall within the protection scope of the present invention under the premise of creative work.
Embodiment 1:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 5 DEG C or so at a temperature of, be immersed in appropriate dense In the preservation by partial agent aqueous solution of degree, aquatic products are taken out after immersion and are cooled to -15 DEG C rapidly, enable the surface of aquatic products Pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -20 DEG C of freezer and carries out low tempertaure storage.
Preferably, the pH value of clear water is 6.0 in step 1, and enabling soaking time of the aquatic products in clear water is 15min, clear water PH adjusting agent use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in step 1, irradiation time is 20min。
Preferably, preservation by partial agent used in step 2, wherein ingredient is by weight: 7 parts of sodium ascorbate, shell 10 parts of glycan solution of extract, 10 parts of calcium chloride, 7 parts of glacial acetic acid, 10 parts of nucleoprotamine and 60 parts of deionized water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in step 3, used mixed gas is that oxygen, nitrogen and helium press 1:8:5 ratio Example is mixed to get mixed gas.
Preferably, the packaging facilities in step 3 uses packed gas-control packing device.
Embodiment 2:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 8 DEG C or so at a temperature of, be immersed in appropriate dense In the preservation by partial agent aqueous solution of degree, aquatic products are taken out after immersion and are cooled to -15 DEG C rapidly, enable the surface of aquatic products Pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -25 DEG C of freezer and carries out low tempertaure storage.
Preferably, the pH value of clear water is 7.0 in step 1, and enabling soaking time of the aquatic products in clear water is 13min, clear water PH adjusting agent use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in step 1, irradiation time is 20min。
Preferably, preservation by partial agent used in step 2, wherein ingredient is by weight: 10 parts of sodium ascorbate, shell 15 parts of glycan solution of extract, 8 parts of calcium chloride, 6 parts of glacial acetic acid, 13 parts of nucleoprotamine and 80 parts of deionized water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in step 3, used mixed gas is that oxygen, nitrogen and carbon dioxide press 1: 7:4 ratio is mixed to get mixed gas.
Preferably, the packaging facilities in step 3 uses packed gas-control packing device.
Embodiment 3:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 7 DEG C or so at a temperature of, be immersed in appropriate dense In the preservation by partial agent aqueous solution of degree, aquatic products are taken out after immersion and are cooled to -15 DEG C rapidly, enable the surface of aquatic products Pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -12 DEG C of freezer and carries out low tempertaure storage.
Preferably, the pH value of clear water is 6.0 in step 1, and enabling soaking time of the aquatic products in clear water is 10min, clear water PH adjusting agent use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in step 1, irradiation time is 20min。
Preferably, preservation by partial agent used in step 2, wherein ingredient is by weight: 8 parts of sodium ascorbate, shell 10 parts of glycan solution of extract, 8 parts of calcium chloride, 6 parts of glacial acetic acid, 16 parts of nucleoprotamine and 70 parts of deionized water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in step 3, used mixed gas is that oxygen, nitrogen and helium press 1:8:5 ratio Example is mixed to get mixed gas.
Preferably, the packaging facilities in step 3 uses compound gas-control packing device.
Embodiment 4:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 5 DEG C or so at a temperature of, be immersed in appropriate dense In the preservation by partial agent aqueous solution of degree, aquatic products are taken out after immersion and are cooled to -12 DEG C rapidly, enable the surface of aquatic products Pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -15 DEG C of freezer and carries out low tempertaure storage.
Preferably, the pH value of clear water is 7.0 in step 1, and enabling soaking time of the aquatic products in clear water is 17min, clear water PH adjusting agent use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in step 1, irradiation time is 20min。
Preferably, preservation by partial agent used in step 2, wherein ingredient is by weight: 10 parts of sodium ascorbate, shell 10 parts of glycan solution of extract, 8 parts of calcium chloride, 6 parts of glacial acetic acid, 14 parts of nucleoprotamine and 65 parts of deionized water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in step 3, used mixed gas is that oxygen, carbon dioxide and helium press 1: 6:3 ratio is mixed to get mixed gas.
Preferably, the packaging facilities in step 3 uses full-automatic gas control packing device.
Embodiment 5:
A kind of refrigerated storage method of preservation of fishery, wherein the specific method of Preservation Treatment includes the following steps:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 6 DEG C or so at a temperature of, be immersed in appropriate dense In the preservation by partial agent aqueous solution of degree, aquatic products are taken out after immersion and are cooled to -10 DEG C rapidly, enable the surface of aquatic products Pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -15 DEG C of freezer and carries out low tempertaure storage.
Preferably, the pH value of clear water is 6.0 in step 1, and enabling soaking time of the aquatic products in clear water is 10min, clear water PH adjusting agent use calcium hydroxide aqueous solution.
Preferably, sterilization treatment is irradiated to aquatic products using low pressure UV sterilamp in step 1, irradiation time is 20min。
Preferably, preservation by partial agent used in step 2, wherein ingredient is by weight: 7 parts of sodium ascorbate, shell 15 parts of glycan solution of extract, 9 parts of calcium chloride, 7 parts of glacial acetic acid, 10 parts of nucleoprotamine and 68 parts of deionized water.
Further, the specific preparation method of preservation by partial agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
Preferably, in the gas replenishment process in step 3, used mixed gas is that oxygen, nitrogen and helium press 1:7:3 ratio Example is mixed to get mixed gas.
Preferably, the packaging facilities in step 3 uses compound gas-control packing device.
Testing inspection:
Experiment to aquatic products preservation effect inspection is carried out to the embodiment 1 ~ 5 via storage method provided by the present invention, taken It surveys, selection does not use antistaling agent to do immersion and as a comparison case 1 the case where without inflation processing, and selection does not use antistaling agent to do It impregnates the case where doing filling processing using only mixed gas and does comparative example 2, test as a comparison together, detect specific refrigerate and protect Fresh realization effect.The temperature range that wherein store experiment is saved is -12 ~ -15 DEG C, the 10th day after choosing chilled storage, By sample from opening bag work in packaging bag, the freshness situation for saving marine product food materials is judged.
Wherein the detection method of colony counts is referring to GB4789.2-2010 " national food safety standard food microorganisms It learns and examines total plate count measurement ".Experimental subjects chooses the yellow croaker and freshwater shrimp fresh with a batch, saves respectively as yellow croaker Experiment and freshwater shrimp, which save to test, has two groups of test experiments altogether, the detection data of specific experiment, referring to as follows:
Save within 1 yellow croaker of table 10 days the result of experiment
Save within 2 freshwater shrimp of table 10 days the result of experiment
By the results of above-mentioned two groups of check experiments it is found that preservation of fishery refrigerated storage method provided by through the invention, Compared to general gas-flow closure cold-storage method, there is more obvious and effective inhibition bacterium colony growth result and fresh-keeping effect Fruit can extend the shelf-life of the refrigerated storage of aquatic products and the aquatic products meat after refrigerated storage.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including element.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to the foregoing embodiments Invention is explained in detail, those skilled in the art should understand that: it still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features;And these modification or Replacement, the spirit and scope for technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution.

Claims (7)

1. a kind of refrigerated storage method of preservation of fishery, which is characterized in that wherein the specific method of Preservation Treatment includes such as Lower step:
1) cleaning and sterilization: will need to carry out deepfreeze processing aquatic products, be placed into clear water impregnate at room temperature first, By the aquatic products after cleaning, sterilizing processing is carried out to its positive and negative surface using ultraviolet light;
2) antistaling agent impregnates: will by cleaning-sterilizing treated aquatic products, 5 ~ 8 DEG C or so at a temperature of, be immersed in appropriate In the preservation by partial agent aqueous solution of concentration, aquatic products are taken out after immersion and are cooled to -10 ~ -15 DEG C rapidly, enable aquatic products Surface pass through one layer of frivolous antistaling agent solution ice clothing of quick-frozen formation;
3) gas flush packaging: it will be put into vacuum packaging bag by treated aquatic products, and use packaging facilities to vacuum Mixed gas is filled in packaging bag, is inflated packaging, and heat-sealing sealing treatment finally is carried out to packaging bag;
4) it storage freezing: by the above-mentioned aquatic products by packing processes, is put into -12 ~ -25 DEG C of freezer and carries out low tempertaure storage.
2. a kind of refrigerated storage method of preservation of fishery according to claim 1, it is characterised in that: the step 1 The pH value of middle clear water is 6.0 ~ 7.0, and enabling soaking time of the aquatic products in clear water is 10 ~ 18min, and the pH adjusting agent of clear water uses Calcium hydroxide aqueous solution.
3. a kind of refrigerated storage method of preservation of fishery according to claim 1, it is characterised in that: the step 1 Middle to be irradiated sterilization treatment to aquatic products using low pressure UV sterilamp, irradiation time is 15 ~ 20min.
4. a kind of refrigerated storage method of preservation of fishery according to claim 1, which is characterized in that the step 2 Used in preservation by partial agent, wherein ingredient is by weight: 7 ~ 10 parts of sodium ascorbate, chitosan solution of extract 10 ~ 15 parts, 8 ~ 12 parts of calcium chloride, 6 ~ 9 parts of glacial acetic acid, 10 ~ 16 parts and 60 ~ 80 parts of deionized water of nucleoprotamine.
5. a kind of refrigerated storage method of preservation of fishery according to claim 4, which is characterized in that preservation by partial The specific preparation method of agent includes the following steps:
S1: by sodium ascorbate, nucleoprotamine and chitosan solution of extract, under the conditions of 50 DEG C of temperature, quickly stirring is total It is mixed to obtain mixed liquor A;
S2: at normal temperature by calcium chloride, glacial acetic acid and deionized water, it is slowly stirred blending, obtains mixed liquid B;
S3: mixed liquor A is mixed under the revolving speed of 200r/min with mixed liquid B, is rapidly cooled to mixed solution after blending low Temperature enables solution be condensed into ice cube, and finally the ice cube after icing thaws, and solidifying after being thawed by sieve removal agglomerating cannot degrade Large particulate matter to get preservation by partial agent final product.
6. a kind of refrigerated storage method of preservation of fishery according to claim 1, it is characterised in that: the step 3 In gas replenishment process in, used mixed gas be oxygen, nitrogen, carbon dioxide and helium two or more gases therein The mixture of composition, preferred ingredient are that oxygen, nitrogen and helium are mixed in 1:8:5 ratio.
7. a kind of refrigerated storage method of preservation of fishery according to claim 1, it is characterised in that: the step 3 In packaging facilities packed gas-control packing device, full-automatic gas control packing device or compound gas-control packing device can be used.
CN201910644915.9A 2019-07-17 2019-07-17 A kind of refrigerated storage method of preservation of fishery Pending CN110226621A (en)

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CN109197986A (en) * 2018-11-14 2019-01-15 浙江海洋大学 A kind of preservation method of chilled hairtail
CN111000168A (en) * 2019-12-19 2020-04-14 武汉良之隆食材股份有限公司 Processing method of ice mountain mussel capable of being used as thorn body
CN111955533A (en) * 2020-09-01 2020-11-20 怀化市明友食品有限责任公司 Method for preserving aquatic products and quick-freezing and forming aquatic products
CN112616904A (en) * 2020-12-10 2021-04-09 蓬莱汇洋食品有限公司 Aquatic product processing and storing method
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CN113815271A (en) * 2021-08-30 2021-12-21 雷洪斌 Frozen aquatic product preservative film and preservation process thereof
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CN112690322A (en) * 2019-10-22 2021-04-23 华晶生物科技(济南)有限公司 Pretreatment method for freezing and fresh-keeping of aquatic products
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CN111955533A (en) * 2020-09-01 2020-11-20 怀化市明友食品有限责任公司 Method for preserving aquatic products and quick-freezing and forming aquatic products
CN112616904A (en) * 2020-12-10 2021-04-09 蓬莱汇洋食品有限公司 Aquatic product processing and storing method
CN115462500A (en) * 2021-06-11 2022-12-13 合肥美的电冰箱有限公司 Purine reduction processing method, apparatus, device, electronic device and storage medium
CN115462500B (en) * 2021-06-11 2023-12-15 合肥美的电冰箱有限公司 Purine reduction processing method, apparatus, device, electronic device and storage medium
CN113475567A (en) * 2021-06-15 2021-10-08 中港(福建)水产食品有限公司 Advanced equipment processing method of aquatic product
CN113815271A (en) * 2021-08-30 2021-12-21 雷洪斌 Frozen aquatic product preservative film and preservation process thereof
CN113815271B (en) * 2021-08-30 2023-12-15 深圳鲜生科技有限公司 Frozen aquatic preservative film and preservation process thereof

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