CN103229822B - Composite preservation method of hairtail slices - Google Patents
Composite preservation method of hairtail slices Download PDFInfo
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- CN103229822B CN103229822B CN201310136654.2A CN201310136654A CN103229822B CN 103229822 B CN103229822 B CN 103229822B CN 201310136654 A CN201310136654 A CN 201310136654A CN 103229822 B CN103229822 B CN 103229822B
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Abstract
The invention discloses a composite preservation method of hairtail slices by partial freezing treatment in combination with a natural preservative, which comprises natural preservative dipping treatment and partial freezing low-temperature treatment. The invention can achieve the effects of inhibiting bacteria and lower the temperature of fish slices. The natural preservative comprises the following components in percentage by weight: 0.02-0.05% of nisin, 0.01-0.06% of epsilon-polylysine, 0.01-0.05% of lysozyme and the balance of water. The partial freezing process for preserving the product ensures the integrity of the product cells, can maintain the original color, freshness and flavor, greatly prolongs the shelf life of the product; and the product is still very fresh after being stored for 25 days.
Description
Technical field
The invention belongs to food processing storage technique field, relate to a kind of composite fresh-keeping method of aquatic products, micro-the freezing that particularly relates to a kind of hairtail processed in conjunction with the fresh-keeping method of crude antistaling agent.
Background technology
Hairtail cries again hairtail, is net-rope Perciformes Trichiuridae animal, and the build of hairtail is as its name, and flat-sided as band, is silver gray, and dorsal fin and pectoral fin light gray, with very thin speckle.The fat content of hairtail, higher than general fish, has the effect that reduces cholesterol.Hairtail distribute wider, to the west of Pacific and Indian oceans maximum, China coast each province all can see, wherein again to the east of marine products amount the highest.Because hairtail is at once dead after catching, easily putrid and deteriorated under the effect of microorganism and enzyme during storing, and can there is fat oxidation.Therefore seek a kind of natural safety and the method for significant prolongation hairtail shelf-life and seem particularly important.
At present, the freezing processed goods of the aquatic products of China accounts for 61.28% of aquatic products total amount.Hairtail is mainly transported and sells in iced storage mode, but fringe cost is high and freshness date is short.And common freezing processing exists the growth of freezing process ice crystal can cause the change of product institutional framework, freezing injury and thaw after juice loss phenomenon also quite serious, can not meet the requirement of hairtail shelf life.Enter the 90's of 20th century, fresh chemically has obtained further development, the main bioactivator future development towards Nantural non-toxic of research, nisin, shitosan and derivative thereof start be applied at seawater, but these product ubiquity fresh-keeping effects weak defect of other chemical method relatively.If can be used in conjunction with low temperature, its effect is more obvious, due to very strict to food hygiene management in the world, therefore develops the natural fresh-keeping marine product of nontoxic crude antistaling agent extremely urgent.
Micro-freezing (super chilling) is a kind of preservation technique of preserving marine product on fishing boat that middle 1960s starts to grow up.Compared with traditional cold storage, preservation by partial can reduce the mechanical damage that the ice crystal that generates in freezing process causes product, routed solution and the gas expansion of cell, and when edible without thawing, can reduce the juice loss while thawing, keep the original freshness of food.Yet there are no that hairtail is micro-freezes the report in conjunction with crude antistaling agent Preservation Treatment under condition.
Summary of the invention
Technical problem to be solved by this invention is for the fresh-keeping the deficiencies in the prior art of hairtail, provides a kind of in micro-method of utilizing crude antistaling agent preservation hairtail under condition of freezing.This technology can the significant prolongation hairtail shelf-life to 25 day more than, simple to operate, practicality is stronger.
The technical solution adopted in the present invention is: a kind of method of hairtail preservation by partial, and the method comprises the following steps:
(1) fresh hairtail is decaptitated, after tail, water cleans up, and is cut into the long section of 5-8cm, drains;
(2) the hairtail piece after draining be impregnated in to 3-5min in natural fresh-keeping liquid, drain and pack packaging bag into;
(3) the fish piece of above-mentioned packaging being placed in to micro-the freezing under condition of constant temperature humidity chamber preserves.
Crude antistaling agent in step (2) is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.02%-0.05%, 0.01-0.06% and 0.01-0.05%, and all the other are water;
In step (3) micro-freeze process in constant temperature humidity chamber, carry out, specific works condition is: temperature is-3 ~-5 DEG C.
The invention has the beneficial effects as follows: in the crude antistaling agent that the present invention adopts, lysozyme (lysozyme) claims again muramidase (muramidase), is a kind of alkaline enzyme that can be hydrolyzed in pathogenic bacteria glutinous polysaccharide, has antibacterial, anti-inflammatory, the effect such as antiviral.Nisin (Nisin) be a kind of efficient, nontoxic, safely, the antiseptics for natural food that has no side effect, be widely used in dairy products, can, marine product, beverage, cosmetic field etc.Freeze under condition micro-, make some bacteriums start death, and coordinate the acting in conjunction of crude antistaling agent to reach the object that extends hairtail shelf life.Adopt micro-freeze to process process hairtail shelf life in conjunction with crude antistaling agent and can reach 25 days.
Detailed description of the invention
Describe the present invention in detail according to embodiment below, it is more obvious that object of the present invention and effect will become.
embodiment 1
By fresh hairtail decaptitate, after tail, water cleans up, and is cut into the long section of 5-8cm, drains; Hairtail piece after draining be impregnated in to about 3min in natural fresh-keeping liquid, then from antistaling agent, take out and drain and to pack packaging bag inner packing into good; To package fish piece and be placed in storage at programmable constant temperature humidity chamber-3 DEG C.Crude antistaling agent is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.05%, 0.03% and 0.05%, and the shelf-life of hairtail can reach 25 days.
embodiment 2
By fresh hairtail decaptitate, after tail, water cleans up, and is cut into the long section of 5-8cm, drains; Hairtail piece after draining be impregnated in to about 3min in natural fresh-keeping liquid, then from antistaling agent, take out and drain and to pack packaging bag inner packing into good; To package fish piece and be placed in storage at programmable constant temperature humidity chamber-3 DEG C.Crude antistaling agent is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.02%, 0.03% and 0.05%, and the shelf-life of hairtail can reach 22 days.
embodiment 3
By fresh hairtail decaptitate, after tail, water cleans up, and is cut into the long section of 5-8cm, drains; Hairtail piece after draining be impregnated in to about 3min in natural fresh-keeping liquid, then from antistaling agent, take out and drain and to pack packaging bag inner packing into good; To package fish piece and be placed in storage at programmable constant temperature humidity chamber-3 DEG C.Crude antistaling agent is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.05%, 0.01% and 0.05%, and the shelf-life of hairtail can reach 23 days.
embodiment 4
By fresh hairtail decaptitate, after tail, water cleans up, and is cut into the long section of 5-8cm, drains; Hairtail piece after draining be impregnated in to about 5min in natural fresh-keeping liquid, then from antistaling agent, take out and drain and to pack packaging bag inner packing into good; To package fish piece and be placed in storage at programmable constant temperature humidity chamber-3 DEG C.Crude antistaling agent is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.05%, 0.03% and 0.02%, and the shelf-life of hairtail can reach 21 days.
embodiment 5
By fresh hairtail decaptitate, after tail, water cleans up, and is cut into the long section of 5-8cm, drains; Hairtail piece after draining be impregnated in to about 5min in natural fresh-keeping liquid, then from antistaling agent, take out and drain and to pack packaging bag inner packing into good; To package fish piece and be placed in storage at programmable constant temperature humidity chamber-5 DEG C.Crude antistaling agent is made up of nisin, epsilon-polylysine, lysozyme and water, the percentage by weight that wherein nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.02%, 0.03% and 0.05%, and the shelf-life of hairtail can reach 25 days.
Above-described embodiment is used for the present invention that explains, instead of limits the invention, and in the protection domain of spirit of the present invention and claim, any amendment and change that the present invention is made, all fall into protection scope of the present invention.
Claims (2)
1. a method for hairtail preservation by partial, is characterized in that, the method comprises the following steps:
(1) fresh hairtail is decaptitated, after tail, water cleans up, and is cut into the long section of 5-8cm, drains;
(2) the hairtail piece after step (1) is drained impregnated in 3-5min in natural fresh-keeping liquid, drains and packs packaging bag into;
(3) the fish piece of step (2) packaging being placed in to micro-the freezing under condition of constant temperature humidity chamber preserves;
Wherein, crude antistaling agent in step (2) is made up of nisin, epsilon-polylysine, lysozyme and water, wherein, the percentage by weight that nisin, epsilon-polylysine, lysozyme account for antistaling agent is respectively: 0.02%-0.05%, 0.01-0.06% and 0.01-0.05%, all the other are water.
2. the method for processing hairtail piece according to crude antistaling agent described in right 1 in conjunction with preservation by partial, is characterized in that: in step (3) micro-freeze to process in constant temperature humidity chamber, carry out, specific works condition is: temperature is-3 ~-5 DEG C.
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| CN201310136654.2A CN103229822B (en) | 2013-04-19 | 2013-04-19 | Composite preservation method of hairtail slices |
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| CN201310136654.2A CN103229822B (en) | 2013-04-19 | 2013-04-19 | Composite preservation method of hairtail slices |
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| CN103549622A (en) * | 2013-10-31 | 2014-02-05 | 山东农业大学 | Natural bacteriostat composition applied to synergistic inhibition to common microbes |
| CN103734274B (en) * | 2013-12-09 | 2016-06-29 | 苏州市相城区新时代特种水产养殖场 | A kind of NEW TYPE OF COMPOSITE aquatic product fresh keeping agent and preparation method thereof |
| CN103734867B (en) * | 2013-12-25 | 2015-10-28 | 广西科技大学 | A kind of food preservative |
| CN104256718B (en) * | 2014-09-11 | 2017-01-11 | 福建安井食品股份有限公司 | Quick-frozen minced fillet product quality improver and preparation method and application method thereof |
| CN104872271A (en) * | 2015-05-25 | 2015-09-02 | 武汉轻工大学 | Fresh keeping method for chilled fresh cut grass carp |
| CN105211261B (en) * | 2015-08-26 | 2019-05-31 | 浙江省海洋开发研究院 | A kind of tuna antistaling agent and its application method |
| CN105105162A (en) * | 2015-09-07 | 2015-12-02 | 浙江科技学院 | Dried dog-sized-cattle beef and production method thereof |
| CN106615029A (en) * | 2017-01-22 | 2017-05-10 | 舟山金星水产有限公司 | Preparation process capable of avoiding meat frangibility of hairtail |
| CN109258779A (en) * | 2018-11-14 | 2019-01-25 | 南京师范大学 | A method of it is marinated to eat mud snail composite preservative raw and its joint ultrahigh-pressure sterilization improves and marinated eats mud snail edible safety raw |
| CN109566718B (en) * | 2018-12-29 | 2021-10-22 | 浙江省海洋水产研究所 | Hairtail coating micro-freezing preservation method |
| CN110200232A (en) * | 2019-06-28 | 2019-09-06 | 重庆三峡职业学院 | A kind of instant grilled fish technique of preservation by partial |
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