CN104126843B - A kind of freeze preservation method of aquatic products - Google Patents

A kind of freeze preservation method of aquatic products Download PDF

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Publication number
CN104126843B
CN104126843B CN201410353660.8A CN201410353660A CN104126843B CN 104126843 B CN104126843 B CN 104126843B CN 201410353660 A CN201410353660 A CN 201410353660A CN 104126843 B CN104126843 B CN 104126843B
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China
Prior art keywords
parts
aquatic products
powder
wrap
pickled
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Expired - Fee Related
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CN201410353660.8A
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Chinese (zh)
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CN104126843A (en
Inventor
王资生
陈洪兴
彭华
彭一华
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Yangcheng Institute of Technology
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Yangcheng Institute of Technology
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Priority to CN201410353660.8A priority Critical patent/CN104126843B/en
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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
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23LFOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L7/00Cereal-derived products; Malt products; Preparation or treatment thereof
    • A23L7/10Cereal-derived products
    • A23L7/157Farinaceous granules for dressing meat, fish or the like
    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Zoology (AREA)
  • Chemical & Material Sciences (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Nutrition Science (AREA)
  • Wood Science & Technology (AREA)
  • Meat, Egg Or Seafood Products (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

The invention discloses a kind of freeze preservation method of aquatic products, specifically implement according to following steps: raw material cleans;Pickled;Freezing;Wrap up in powder;Wrap up in slurry;Wrap up in powder;Fried;Quickly cooling is frozen;Cold preservation, utilizes bio-additive and raw-food material as antistaling agent, and utilizes special process, to reach the purpose of freeze preservation.

Description

A kind of freeze preservation method of aquatic products
Technical field
The invention belongs to processing of aquatic products and storage technique field, be specifically related to a kind of freeze preservation method of aquatic products.
Background technology
The aquatic products total output of China is very big, and freshness is the key factor of aquatic products quality and price, but due to moisture Higher with protein content, its after death freshness decline is very fast, easily rots, in order to meet consumer to aquatic products freshness need Seek the trend day by day increased, it is necessary to develop current processing and antistaling technology, keep the original freshness of aquatic products greatly.
The preservation technique of aquatic products is broadly divided at present: physical fresh-keeping method, Chemical Preservative Method of Fruits and biological fresh-keeping method, Current physical fresh-keeping method is mainly realized, such as by the condition controlling preservation process: the process of K cryogenic treatment, controlled atmosphere, Ultra high pressure treatment, radiation or dehydrate process, and this process more or less changes aquatic products initial condition, fresh chemically side Method includes food additive, salting, sugaring, sootiness and ozone, but chemistry adds additive and do not meets the health requirements of people. Biological preservation is by adding the purpose that bio-preservative reaches fresh-keeping, mainly by from animal, plant or microorganism The natural product extracted is used as antistaling agent, has the advantages such as safe and healthy, efficient, more meets current development.
But seldom carry out freeze preservation with direct edible raw-food material as additive at present.
Summary of the invention
It is an object of the invention to provide a kind of freeze preservation method of aquatic products, utilize bio-additive and raw-food material to make For antistaling agent, and utilize special process, to reach the purpose of freeze preservation.
The technical solution adopted in the present invention is, a kind of freeze preservation method of aquatic products, specifically real according to following steps Execute:
Step 1, by aquatic products raw material clean;
Step 2, will clean after aquatic products raw material pickling material carry out pickled, the most pickled time is 4h-5h, pickled temperature Degree is for 0-4 DEG C;
Step 3, by freezing for the aquatic products after pickled stain;
Step 4, put into the aquatic products after freezing to wrap up in and powder is carried out wrap up in powder, obtain the aquatic products after wrapping up in powder;
Step 5, will wrap up in slurry with water according to mass ratio: 1:1.4-1:1.5 mixes, and obtains wrapping up in slurry mixed liquor, after wrapping up in powder Aquatic products are put into and are wrapped up in slurry mixed liquor, impregnate 30s-60s;
Step 6, will dipping after aquatic products wrap powder, make aquatic products green compact;
Step 7, green compact are put in the vacuum frying device of 182 DEG C-187 DEG C and carry out fried 35s-40s;
Step 8, at-55 DEG C--in the environment of 65 DEG C, the green compact after fried are carried out quickly cooling and freeze 2min;Freezing rate is- 55℃2min--65℃2min;
Step 9, the quickly cooling that step 8 is obtained freeze after green compact at-20 DEG C--carry out cold preservation in the environment of 25 DEG C.
The feature of the present invention also resides in,
Cryogenic temperature in step 3 is :-30 DEG C--50 DEG C.
Pickling material in step 2 is: the chitosan of 3%-5% mass fraction, and remaining is water.
Wrap up in powder according to mass parts, be made up of following components: medium-strength wheat flour: 80 parts-90 parts;Glucose: 5 parts-10 parts; Salt: 2 parts-5 parts;Parsley sheet: 2 parts-5 parts;Dry yeast: 1 part-6 parts;Sugar: 3 parts-6 parts.
Wrap up in and starch according to mass parts, be made up of following components: high gluten wheat flour: 50 parts-60 parts;Modified corn starch: 20 parts- 30 parts;Salt 3 parts-6 parts;Foaming agent: 5 parts-10 parts.
The invention has the beneficial effects as follows: can be good at keeping the freshness of aquatic products compared with prior art.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is described in detail.
The present invention provides a kind of freeze preservation method of aquatic products, specifically implements according to following steps:
Step 1, by aquatic products raw material clean;
Step 2, will clean after aquatic products raw material pickling material carry out pickled, the most pickled time is 4h-5h;
Step 3, by freezing for the aquatic products after pickled stain;
Step 4, put into the aquatic products after freezing to wrap up in and powder is carried out wrap up in powder, obtain the aquatic products after wrapping up in powder;
Step 5, will wrap up in slurry with water according to mass ratio: 1:1.4-1:1.5 mixes, and obtains wrapping up in slurry mixed liquor, after wrapping up in powder Aquatic products are put into and are wrapped up in slurry mixed liquor, impregnate 30s-60s;
Step 6, will dipping after aquatic products wrap powder, make aquatic products green compact;
Step 7, green compact are put in the vacuum frying device of 182 DEG C-187 DEG C and carry out fried 35s-40s;Water can be solidified The jacket layer of product, the most fried, oils and fats is as emulsifying agent, it is possible to preferably makes the aquatic products of the inside seal, keeps it fresh Degree.
Step 8, at-55 DEG C--in the environment of 65 DEG C, the green compact after fried are carried out quickly cooling and freeze 2min;Freezing rate is- 55℃2min--65℃2min;
Step 9, the quickly cooling that step 8 is obtained freeze after green compact at-20 DEG C--carry out cold preservation in the environment of 25 DEG C.
Wherein, the cryogenic temperature in step 3 is :-30 DEG C--50 DEG C.
Pickling material in step 2 is: the chitosan of 3%-5%, and remaining is water.
Wrap up in powder according to mass parts, be made up of following components: medium-strength wheat flour: 80 parts-90 parts;Glucose: 5 parts-10 parts; Salt: 2 parts-5 parts;Parsley sheet: 2 parts-5 parts;Dry yeast: 1 part-6 parts;Sugar: 3 parts-6 parts.
Wrap up in and starch according to mass parts, be made up of following components: high gluten wheat flour: 50 parts-60 parts;Modified corn starch: 20 parts- 30 parts;Salt 3 parts-6 parts;Foaming agent: 5 parts-10 parts.
Breadcrumb, according to mass parts, are made up of following components: high gluten wheat flour: 60 part-70;Salt 3 parts-5 parts;Dry yeast: 5 Part-10 parts;Petiolus Trachycarpi oil 5 parts-10 parts;Annatto extract: 10 parts-15 parts;Vitamin C: 3 parts-5 parts;Sugar: 3 parts-6 parts.
The key point of the present invention is as follows:
The first, in terms of step, in step 3, pickling material being carried out freezing, its cryogenic temperature is :-30 DEG C--50 DEG C, use This step, it is ensured that by time fried for later steps 7, pickling material is not defrosted, and has the most both prevented aquatic products fried at high temperature Time its freshness be destroyed, save step 8 middling speed freezing power consumption;The aquatic products prevented back and forth in high and low temperature shift Quality variation;
The second, employing is wrapped up in powder, is wrapped up in slurry and breadcrumb as freeze preservation component;1) wrap up in bisque, directly contact with aquatic products, By medium-strength wheat flour;Glucose;Salt;Parsley sheet;Dry yeast;The flour of the compositions such as sugar, is coated in aquatic products material surface, Its effect is: wrapping up in powder can be with the moisture on absorption base surface, it is provided that matrix material surface and the cohesive force of edible film layer, in case Only based food separates with edible film layer, keeps the freshness of aquatic products further.2) pulp layer is wrapped up in, by high gluten wheat flour;Semen Maydis Modified starch;Salt;The layer that the slurry like material that the Multiple components such as foaming agent are modulated into is formed, can by the rational proportioning of various compositions Wrap up in the stability of slurry, viscosity, product fragility to improve and reduce the oil content etc. of product.Its effect is most important, especially High-gluten flour, its filming performance is good.
3rd, use pickling material, and combination with ice-temperature 0-4 DEG C combine aquatic products are carried out pickled to aquatic products process and Microorganism growth and metabolism in preserving process produce suppression, thus ensure the fresh-keeping effect of aquatic products.
Product made by this method can carry out fried, microwave or baking processes, i.e. edible.
It is further illustrated below in conjunction with embodiment, embodiment all selects scallop comment as aquatic products raw material, sense organ Valency is with aquatic products as evaluating target.
The experiment condition of each embodiment of table 1
Wherein A1 represents the pickled time, A2 represents pickled temperature, A3, represent the chitosan of pickling material
Table 2 sensory evaluation
Formed evaluation group by 50 food valuation officers, to after microwave can microwave pre-fried wrap up in the color and luster of pastries, profile, Quality structure, local flavor and five factors of mouthfeel carry out subjective appreciation, it is desirable to subjective appreciation personnel do not drink in first 12 hours in evaluation Wine, non-smoking, not eating pungent grade stimulates food.Before evaluation, explain evaluation content, evaluation criterion and evaluation to every evaluation personnel Method, then can deliver the number of finishing to evaluation personnel evaluation for the pre-fried pastries of wrapping up in of microwave.Evaluation procedure is forbidden mutually Talk, after completing a sample, gargles with clear water, is spaced and within 5 minutes, revalues next sample, finally fills in grade form.Collect Each evaluation result evaluating personnel, is analyzed.
The sensory evaluation that the experiment condition of each embodiment of table 3 is corresponding
Embodiment Outward appearance Color and luster Abnormal smells from the patient Mouthfeel
Embodiment 1 10 9 9 10
Embodiment 2 10 10 9 10
Embodiment 3 10 8 10 8
Embodiment 4 9 9 10 8
Embodiment 5 8 9 8 10
By in upper table 2 and table 3 it is found that use above-mentioned processing conditions and with the use of fresh-keeping component, obtain aquatic products Obtain the most fresh-keeping.

Claims (1)

1. the freeze preservation method of aquatic products, it is characterised in that specifically implement according to following steps:
Step 1, by aquatic products raw material clean;
Step 2, will clean after aquatic products raw material pickling material carry out pickled, the most pickled time is 4h-5h, and pickled temperature is 0-4℃;
Step 3, by freezing for the aquatic products after pickled stain;
Step 4, put into the aquatic products after freezing to wrap up in and powder is carried out wrap up in powder, obtain the aquatic products after wrapping up in powder;
Step 5, slurry will be wrapped up in water according to mass ratio: 1:1.4-1:1.5 mixes, and obtains wrapping up in slurry mixed liquor, will wrap up in the Aquatic product after powder Product are put into and are wrapped up in slurry mixed liquor, impregnate 30s-60s;
Step 6, will dipping after aquatic products wrap powder, make aquatic products green compact;
Step 7, green compact are put in the vacuum frying device of 182 DEG C-187 DEG C and carry out fried 35s-40s;
Step 8, at-55 DEG C--in the environment of 65 DEG C, the green compact after fried are carried out quickly cooling and freeze 2min;Freezing rate is-55 DEG C 2min--65℃2min;
Step 9, the quickly cooling that step 8 is obtained freeze after green compact at-20 DEG C--carry out cold preservation in the environment of 25 DEG C;
Cryogenic temperature in described step 3 is :-30 DEG C--50 DEG C;
Pickling material in described step 2 is: the chitosan of 3%-5% mass fraction, and remaining is water;
Described powder of wrapping up in, according to mass parts, is made up of following components: medium-strength wheat flour: 80 parts-90 parts;Glucose: 5 parts-10 parts; Salt: 2 parts-5 parts;Parsley sheet: 2 parts-5 parts;Dry yeast: 1 part-6 parts;Sugar: 3 parts-6 parts;
Described slurry of wrapping up in, according to mass parts, is made up of following components: high gluten wheat flour: 50 parts-60 parts;Modified corn starch: 20 parts- 30 parts;Salt 3 parts-6 parts;Foaming agent: 5 parts-10 parts.
CN201410353660.8A 2014-07-23 2014-07-23 A kind of freeze preservation method of aquatic products Expired - Fee Related CN104126843B (en)

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Publication number Priority date Publication date Assignee Title
CN106387014A (en) * 2016-08-31 2017-02-15 铜陵新梦想农牧科技有限公司 Aquatic product capable of being quickly refrigerated
CN113115917A (en) * 2020-01-13 2021-07-16 大连鑫玉龙海洋生物种业科技股份有限公司 Method for making quick-frozen fried sea cucumber strips by applying powder-wrapping and slurry-wrapping

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CN101331961A (en) * 2008-07-29 2008-12-31 泰祥集团技术开发有限公司 Quick-freezing sea sedge cod steak food and production method thereof
CN101791137B (en) * 2010-03-24 2012-09-26 海南泉溢食品有限公司 Freezing water-holding fresh-keeping processing method for shrimps
CN103750411A (en) * 2011-12-31 2014-04-30 福建省东山县海魁水产集团有限公司 Manufacturing method for frozen breaded oyster
CN102960782A (en) * 2012-12-12 2013-03-13 北海市鸿成海洋食品科技有限公司 Flour-wrapped elongated shrimp and preparation method thereof

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