阅读说明：本技术 一种水产品生物保鲜剂及其保鲜方法 (A kind of aquatic product bio-preservative and its preservation method ) 是由 张海华 刘均 吕杨俊 潘俊娴 蒋玉兰 叶丽伟 朱跃进 张士康 于 2019-08-09 设计创作，主要内容包括：本发明公开了一种水产品生物保鲜剂及其保鲜方法,属于食品保鲜领域。通过生物保鲜剂配方优化和包装方法两个方面进行改进。本发明的水产品生物保鲜剂由防腐剂、抗氧化剂、促溶剂和保水稳定剂等组成,组份间相辅相成既可以改善、提高防腐剂中壳聚糖溶解度差的问题以及在水产品表面形成保护层起到保水作用,还可以在持久抑制细菌和真菌繁殖的同时兼具抗氧化效应。另外,通过在水产品包装环节以抑菌功能冰替代普通冰屑,抑菌功能冰不仅可以对制冰用水进行消毒,而且在后期贮藏或贮运的缓慢融化过程中持续释放抑菌和抗氧化物质,为水产品防腐保鲜效果提供双重保障。本发明的生物保鲜方法操作简便,实际保鲜效果显著,方便实用。(The invention discloses a kind of aquatic product bio-preservative and its preservation methods, belong to field of food preservation.It is improved by two aspects of biological preservative formula optimization and packing method.Aquatic product bio-preservative of the invention is made of preservative, antioxidant, chaotropic agent and water conservation stabilizer etc.; complementing each other between component can both improve, improve the problem of chitosan poor solubility in preservative and form protective layer on aquatic products surface and play water retention, can also have both antiopxidant effect while persistently inhibiting bacterium and fungus breeding.In addition, common ice bits are substituted with bacteria resistance function ice by packing link in aquatic products, bacteria resistance function ice can not only carry out disinfection to ice making water, and sustained release is antibacterial and antioxidant in rear term storage or the slow melting process of storing, provides double shield for aquatic products corrosion-resistanting fresh-keeping effect.Biological fresh-keeping method of the invention is easy to operate, and practical fresh-keeping effect is significant, convenient and practical.)

1. a kind of aquatic product bio-preservative, which is characterized in that based on 100 parts by weight, comprising:

1 ~ 4 part of preservative, 1 ~ 3 part of antioxidant, 2 ~ 5 parts of chaotropic agent, water conservation stabilizer 0.3 ~ 0.5, remaining is water.

2. aquatic product bio-preservative according to claim 1, which is characterized in that the preservative is by chitosan, bacteriolyze Enzyme, nisin, natamycin compounding composition；The antioxidant by tea polyphenols, tea polyphenol-palmitate, vitamin C, Bamboo-leaves flavones compounding composition；The chaotropic agent is made of polyethylene glycol, citric acid and sorbic acid compounding；The water conservation stabilizer by D-sorbite, glycerine and pectin compounding composition.

3. aquatic product bio-preservative according to claim 1, which is characterized in that the preservative is by chitosan, bacteriolyze Enzyme, nisin, natamycin are compounded according to the ratio of mass ratio 3.8:0.5:0.5:0.2, and the antioxidant is by tea Polyphenol, vitamin C, bamboo-leaves flavones are compounded according to the ratio of mass ratio 2:2:1；The chaotropic agent is by polyethylene glycol, citric acid, mountain Pears acid is compounded according to the ratio of mass ratio 1:1.5:0.5；The water conservation stabilizer is by D-sorbite, glycerine, pectin according to matter Measure the ratio compounding than 1:0.2:0.8.

4. aquatic product bio-preservative according to claim 1, which is characterized in that described antibacterial based on 100 parts by weight Function ice includes: 0.003 ~ 0.005 part of stability chlorine dioxide, 0.3 ~ 0.5 part of glycerine, 0.3 ~ 0.5 part of sorbic acid, table no food 0.3 ~ 0.5 part of sub- catechin and gallate, remaining is water, is prepared in lower than -30 DEG C of freezers or refrigerator after preparation.

5. a kind of aquatic product bio preservation method, which is characterized in that mainly comprise the steps that

(1) feedstock processing: after aquatic products acceptance(check) carry out slaughter, decaptitating, remove the peel, remove internal organ after divide stripping and slicing, rinse well After drain；

(2) Preservation Treatment: the aquatic products drained are smeared using aquatic product bio-preservative described in claim 1, are applied Necessary even is smeared, and each air contact surfaces are intended to sufficiently be smeared, or uses 15 ~ 30 s rapid soakings；

(3) packing processes: the aquatic products handled through aquatic product bio-preservative described in claim 1 after 3 ~ 5 min are drained, It is initially introduced into sterile bag and seals or through sealing in ultraviolet sterilization and the stronger fresh-keeping valve bag of leakproofness, be placed in 0 ~ 4 DEG C of low temperature Refrigeration；Then it is fitted into bubble chamber, and covers the bacteria resistance function ice through trash ice crusher machine into bubble chamber, store in freezer after sealing Hiding, and ice bits are regularly replaced, or be directly entered storing link distribution.

Technical field

The invention discloses a kind of aquatic product bio-preservative and its preservation methods, belong to field of food preservation.

Background technique

Aquatic products catch slaughter Relatively centralized, and a large amount of aquatic products require just to can enter market by storage storing.But because Its nutrition is rich, moisture content is high and easy corruption and oxidation deterioration influence Meat Flavor quality, serious to restrict fishery market hair Exhibition, therefore development aquatic products anti-corrosive fresh-keeping research is particularly important.In addition, with the development of the social economy, people's life item Food safety is more paid close attention to and paid attention to part while raising, it is desirable that can play corrosion-resistanting fresh-keeping effect, but also want healthy and safe. Up to now, some green safe anti-corrosive fresh-keeping raw materials are mined, such as chitosan, nisin, tea polyphenols, bacteriolyze Enzyme, sodium lactate etc..Chitosan has broad-spectrum antibacterial effect, but its solubility is poor, affects its application range.It is conventionally employed It is mostly to be combined by impregnating, smearing or both, but aquatic products require to store by the long period greatly that bio-preservative is fresh-keeping Hiding and relatively long distance long-distance transport, the practical fresh-keeping effect of bio-preservative method are restricted, therefore except optimization bio-preservative Formula is outer, and the technical matters including packing method should also be improved.

Summary of the invention

For aquatic products easily corruption and oxidation deterioration, and not storage tolerance storing etc. the problems such as, of the invention first Purpose is to provide a kind of aquatic product bio-preservative；Second purpose is to provide a kind of fresh-keeping side of aquatic product bio-preservative Method.

The technical solution used to solve the technical problems of the present invention is that:

A kind of aquatic product bio-preservative, the bio-preservative is based on 100 parts by weight, 1 ~ 4 part of preservative, antioxidant 1 ~ 3 Part, 2 ~ 5 parts of chaotropic agent, water conservation stabilizer 0.3 ~ 0.5, remaining is water.

As the optimal technical scheme of the application, the preservative by chitosan, lysozyme, nisin, receive him Mycin compounding composition；The antioxidant is made of tea polyphenols, tea polyphenol-palmitate, vitamin C, bamboo-leaves flavones compounding；Institute Chaotropic agent is stated to be made of polyethylene glycol, citric acid and sorbic acid compounding；The water conservation stabilizer is by D-sorbite, glycerine and fruit Glue compounding composition.

As the optimal technical scheme of the application, the preservative by chitosan, lysozyme, nisin, receive him Mycin is compounded according to the ratio of mass ratio 3.8:0.5:0.5:0.2, and the antioxidant is by tea polyphenols, vitamin C, bamboo-leaves flavones It is compounded according to the ratio of mass ratio 2:2:1；The chaotropic agent is by polyethylene glycol, citric acid, sorbic acid according to mass ratio 1:1.5: 0.5 ratio compounding；The water conservation stabilizer is answered by D-sorbite, glycerine, pectin according to the ratio of mass ratio 1:0.2:0.8 Match.

As the optimal technical scheme of the application, based on 100 parts by weight, the bacteria resistance function ice includes: stability dioxy Change 0.003 ~ 0.005 part of chlorine, 0.3 ~ 0.5 part of glycerine, 0.3 ~ 0.5 part of sorbic acid, Epigallo-catechin gallate (EGCG) 0.3 ~ 0.5 part, remaining is water, is prepared in lower than -30 DEG C of freezers or refrigerator after preparation.

A kind of aquatic product bio preservation method, mainly comprises the steps that

(1) feedstock processing: after aquatic products acceptance(check) carry out slaughter, decaptitating, remove the peel, remove internal organ after divide stripping and slicing, rinse well After drain；

(2) Preservation Treatment: the aquatic products drained are smeared using aquatic product bio-preservative described in claim 1, are applied Necessary even is smeared, and each air contact surfaces are intended to sufficiently be smeared, or uses 15 ~ 30 s rapid soakings；

(3) packing processes: the aquatic products handled through aquatic product bio-preservative described in claim 1 after 3 ~ 5 min are drained, It is initially introduced into sterile bag and seals or through sealing in ultraviolet sterilization and the stronger fresh-keeping valve bag of leakproofness, be placed in 0 ~ 4 DEG C of low temperature Refrigeration；Then it is fitted into bubble chamber, and covers the bacteria resistance function ice through trash ice crusher machine into bubble chamber, store in freezer after sealing Hiding, and ice bits are regularly replaced, or be directly entered storing link distribution.

Beneficial effect

Of the invention a kind of aquatic product bio-preservative and its preservation method have the following characteristics that compared with prior art

(1) bio-preservative provides weakly acidic condition with citric acid and sorbic acid, and chitosan and polyethylene glycol are under weakly acidic condition The problem of showing homogeneous state, and polyethylene glycol high-hydrophilic, capable of further improving chitosan poor solubility, promote antibacterial effect Fruit；

(2) bubble chamber is on the rocks is packaged as Traditional Packing mode, substitutes common ice in packaging link with bacteria resistance function ice, can be right Ice making water carries out disinfection, in addition, the sorbic acid and tea polyphenols that wherein compound have inoxidizability, but sorbic acid in water molten Xie Du is lower, and addition glycerine can promote sorb acid dissolution, realizes that multiple substance is anti-oxidant, and in storage transporting procedures Slowly melt sustainability release antibacterial substance and antioxidant, realizes more preferable preservation；

(3) bio-preservative and bacteria resistance function ice are all made of a variety of biological preservatives of nonhazardous and antioxidant compounds, Not only anti-corrosion, antioxidation are strong, and for consumers edible safety, trust, reliably.

Specific embodiment

The present invention is described in further details with reference to embodiments.Production is not specified in agents useful for same or instrument and equipment Manufacturer, it is accordingly to be regarded as the conventional products that can be bought by market.

A kind of aquatic product bio preservation method, key point are:

(1) biological preservative formula optimization and processing: the bio-preservative, based on 100 parts by weight, the bio-preservative packet Include: 1 ~ 4 part of preservative, 1 ~ 3 part of antioxidant, 2 ~ 5 parts of chaotropic agent, 0.3 ~ 0.5 part of stabilizer of water conservation, remaining is water.Fresh-keeping side Formula uses semar technique or 15 ~ 30s rapid soaking method；

Preferably, the preservative is according to chitosan: lysozyme: nisin: natamycin=3.8:0.5:0.5: 0.2 mass ratio compounds composition, and the antioxidant is according to tea polyphenols: vitamin C: bamboo-leaves flavones=2:2:1 mass ratio compounding Composition；The chaotropic agent is according to polyethylene glycol, citric acid: sorbic acid=1:1.5:0.5 mass ratio compounding composition；The water conservation Stabilizer is according to D-sorbite: glycerine: pectin=1:0.2:0.8 mass ratio compounding composition.

(2) packing method is improved :(a) what is used in Traditional Packing is bubble chamber cladding process on the rocks, low temperature after sealing mostly Storage or storing, this method is with bacteria resistance function ice and substitutes common ice covering, and bacteria resistance function ice replaces common ice not only can be real The disinfection of existing ice making water, and as the effective antibacterial substance of slowly thawing of ice cube is constantly released in rear term storage transporting procedures It puts, plays anti-corrosion and antioxidation.The bacteria resistance function ice, based on 100 parts by weight, stability chlorine dioxide 0.003 ~ 0.005 part, 0.3 ~ 0.5 part of glycerine, 0.3 ~ 0.5 part of sorbic acid, Epigallo-catechin gallate (EGCG) (EGCG) 0.3 ~ 0.5 Part, remaining is water.(b) it is packed with sterile bag or is packed through ultraviolet sterilization and the stronger fresh-keeping valve bag of leakproofness, due to not arranging Except air, especially oxygen, oxymyoglobin can be formed in conjunction with myoglobins into cerise, therefore is conducive to preferably protect Yellowish pink, especially red meat (such as salmon) are held, isolation secondary bacterial infections problem can also be played.