CN103404940B - Aquatic product fresh-keeping agent and fresh-keeping method employing same - Google Patents
Aquatic product fresh-keeping agent and fresh-keeping method employing same Download PDFInfo
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- CN103404940B CN103404940B CN201310333528.6A CN201310333528A CN103404940B CN 103404940 B CN103404940 B CN 103404940B CN 201310333528 A CN201310333528 A CN 201310333528A CN 103404940 B CN103404940 B CN 103404940B
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Abstract
The invention discloses an aquatic product fresh-keeping agent which is formed by mixing the following components in percentage by weight: 20-30% of sodium tripolyphosphate, 20-30% of sodium pyrophosphate, 10-20% of sodium hexametaphosphate, 5-10% of dipotassium phosphate, 5-10% of trisodium phosphate and 10-20% of edible salt. A method for keeping aquatic products fresh by using the fresh-keeping agent comprises the following steps: 1) weighing clean aquatic products with an automatic weighing machine, and conveying the aquatic products to a stirring mixer by a screw conveyer; 2) placing the aquatic product fresh-keeping agent in a storage bin, adding the fresh-keeping agent into the stirring mixer by a constant weight feeder; 3) fully mixing the aquatic products and the fresh-keeping agent in the stirring mixer, then conveying the aquatic products and the fresh-keeping agent into an automatic packaging unit for packaging, and freezing and preserving. The method applies a chemical preservation and freezing preservation coupled technique, not only can effectively keep freshness, prevent corrosion and retain moisture, but also can restrain growth and propagation of bacteria in the aquatic products.
Description
Technical field
The present invention relates to technical field of aquatic product preservation, be specifically related to a kind of product antistaling agent and preservation method thereof.
Background technology
China is vast in territory, aboundresources, and aquatic products are of a great variety.In recent years, along with the development of culture fishery, China's aquatic products annual production continues to remain on more than 5,000 ten thousand tons, within continuous 15 years, ranks first in the world.Aquatic products (especially fish and shellfish) occupy an important position in eating patterns, the key element that the feature of its low fat, low in calories, high protein is indispensable in rational diet structure especially, the dark favor by consumers in general.Along with improving constantly of people's living standard, the consumption figure of aquatic products increases day by day, require also more and more high to its freshness, in view of the great variety that the aspects such as aquatic products kind, price and supply and marketing system occur, do preservation technique well, increase effective supply, improve preservation of fishery system tool and be of great significance.
From current domestic and international market, freshness is aquatic products important quality index, is the principal element determining its price.When after aquatic products inactivation, in its body, carry out a series of physics, chemistry and physiological change.In the incipient stage, liver glycogen anaerobic degradation, generates creatine, creatine phosphate also resolves into phosphoric acid, and muscle becomes acid, and pH value declines, ATP simultaneously in muscle decomposes and releases energy and make body temperature increase, and causes protein acid coagulation and contraction of muscle like this, makes muscle lose extensibility and hardening.Then, after ATP has decomposed, muscle is softening gradually again and separate hard, and enter the autolysis stage, breaks down proteins becomes a series of intermediate product and amino acid and soluble nitrogenous thing and loses intrinsic elasticity, generate melanin material due to the effect of polyphenol oxidase (PPO) again, occur blackspot, the various microbes comprising putrefactive microorganisms immerse musculature by crust, stomach, enteraden.In the self-dissolving later stage, microorganism breeds rapidly in vivo, and the protein in musculature, amino acid and nitrogenous thing are resolved into NH3, trimethylamine, hydrogen sulfide, mercaptan, indoles, cadaverine further, and histamine etc., aquatic products be can't bear edible.In a word, because aquatic products are organized tender, protein and moisture higher, if it is placed naturally, will soon to go bad, corrupt, to lose edibility, therefore strengthen preservation of fishery work imperative.
In view of this, the present invention aims to provide and a kind ofly has efficient fresh-keeping, the aquatic product fresh keeping agent of anti-corrosion function and preservation method thereof.
Summary of the invention
The invention provides and a kind of there is efficient fresh-keeping, the aquatic product fresh keeping agent of anti-corrosion function and preservation method thereof, the original freshness of aquatic products and quality can be kept to greatest extent, obviously can suppress aquatic products biochemical change after death.For achieving the above object, the present invention adopts following technical proposals:
A kind of aquatic product fresh keeping agent, is mixed by following component by weight percentage:
Sodium phosphate trimer 20-30%
Sodium pyrophosphate 20-30%
Calgon 10-20%
Dipotassium hydrogen phosphate 5-10%
Tertiary sodium phosphate 5-10%
Edible salt 10-20%,
Said components content sum is 100%.
Utilize a method for above-mentioned aquatic product fresh keeping agent keeping fresh aquatic products, its step is as follows:
(1) take clean aquatic products with automatic weighing machine, then be delivered in stirring mixer by conveying worm;
(2) aquatic product fresh keeping agent is placed in storage bin, is added in stirring mixer by constant feeder;
(3), after aquatic products fully mix with antistaling agent in stirring mixer, be delivered in automatic packaging machine and pack.
The aquatic products freezing after by packaging can also be comprised in above-mentioned steps (3).
Above-mentioned aquatic product fresh keeping agent is a kind of chemical preservative, and containing active component sodium phosphate trimer in this antistaling agent, sodium phosphate trimer can prevent the loss of frozen product moisture, ensures the freezing quality of processed aquatic products.Its mechanism of action is the ionic strength that tripolyphosphate can increase the local hydrogen ion exponent around protein, this change can make the protein surface of expansion institute exposed region be combined well with hydrone, add the binding ability of protein and hydrone, thus the quality of aquatic products is improved significantly.
Containing active component sodium pyrophosphate, calgon, dipotassium hydrogen phosphate, tertiary sodium phosphate in above-mentioned aquatic product fresh keeping agent.The effect of these active components is pH values of energy reasonable adjusting aquatic products (as: fish, shrimp, crab shellfish meat), albumen freshness is improved by supplementing water product proteosome moisture, increase gloss, and the quality after marine product can be kept to thaw, reduce the mass loss after culinary art, suppress hay bacillus and colibacillary generation, the blackening of the aquatic products such as shrimp, crab shell can also be prevented, effectively play fresh-keeping, anticorrosion, keep moisture to increase the effect of quality.
In addition, also containing percentage by weight in above-mentioned aquatic product fresh keeping agent is the edible salt of 10-20%.Edible salt is that coastal fisherman carries out fresh-keeping conventional method to fish.Its fresh keeping principle is the osmotic dehydration utilizing salt solution, and aquatic products moisture is reduced, and acts on, suppresses the breeding of microorganism and the activity of enzyme, thus reach fresh-keeping object by destruction aquatic products internal microorganism and enzyme activity.Show by experiment: edible salt and sodium phosphate trimer, sodium pyrophosphate, calgon, dipotassium hydrogen phosphate, tertiary sodium phosphate are used in combination, adopt dry salting fresh-keeping effect splendid.
The present invention also comprises a kind of method utilizing aquatic product fresh keeping agent keeping fresh aquatic products.The method adopts full-automatic dispensing, batching and packaging system, realizes quick, efficient low keeping fresh aquatic products.Can also comprise the aquatic products freezing after having packed in the method.Freezing effectively can suppress the growth and breeding of bacterium in aquatic products body, keeps organoleptic quality and extends the preservation time.In a cold or frozen state, portion of water in aquatic products body freezes, moisture in microbial body also freezes, so just change the biochemical reactions of microorganism, some bacterium starts death, though some other bacterium is not dead, its activity receives suppression, almost irreproducible, so aquatic products just can be made to keep freshness in a long time and not occur putrid and deteriorated.
In sum, the present invention is a kind of technology based on fresh chemically and freeze preservation coupling.The present invention both can add the binding ability of aquatic products kind protein and hydrone by fresh chemically, thus play effectively fresh-keeping, anticorrosion, to keep moisture effect, produce the quality of aquatic products and significantly improve, freeze preservation can suppress again the growth and breeding of bacterium in aquatic products simultaneously.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further illustrated.
embodiment 1
100g aquatic product fresh keeping agent, is mixed by following component:
Sodium phosphate trimer 30g, sodium pyrophosphate 25g, calgon 15g, dipotassium hydrogen phosphate 5g, tertiary sodium phosphate 5g, edible salt 20g.
embodiment 2
100g aquatic product fresh keeping agent, is mixed by following component:
Sodium phosphate trimer 20g, sodium pyrophosphate 20g, calgon 20g, dipotassium hydrogen phosphate 10g, tertiary sodium phosphate 10g, edible salt 20g.
embodiment 3
100g aquatic product fresh keeping agent, is mixed by following component:
Sodium phosphate trimer 30g, sodium pyrophosphate 30g, calgon 10g, dipotassium hydrogen phosphate 10g, tertiary sodium phosphate 10g, edible salt 10g.
embodiment 4
The method of the aquatic product fresh keeping agent keeping fresh aquatic products utilizing right embodiment 1-3 to fill a prescription, step is as follows:
(1) take clean aquatic products with automatic weighing machine, then be delivered in stirring mixer by conveying worm;
(2) aquatic product fresh keeping agent is placed in storage bin, is added in stirring mixer by constant feeder;
(3), after aquatic products fully mix with antistaling agent in stirring mixer, be delivered in automatic packaging machine and pack.
embodiment 5
The method of the aquatic product fresh keeping agent keeping fresh aquatic products utilizing right embodiment 1-3 to fill a prescription, step is as follows:
(1) take clean aquatic products with automatic weighing machine, then be delivered in stirring mixer by conveying worm;
(2) aquatic product fresh keeping agent is placed in storage bin, is added in stirring mixer by constant feeder;
(3), after aquatic products fully mix with antistaling agent in stirring mixer, be delivered in automatic packaging machine and pack;
(4) by the aquatic products freezing after packaging.
embodiment 6
In order to verify actual effect of the present invention, adopting the method for the embodiment of the present invention 4 and embodiment 5 to carry out contrast verification to the fresh-keeping effect of 10 kilograms of marine products (being respectively: fish, shrimp, crab meat) respectively, obtaining following result of use.
table 1: aquatic product fresh keeping agent fresh-keeping effect contrasts
| Aquatic products kind | Antistaling agent prescription | Freezing | Fresh keeping time (my god) | Freshness |
| Fish (tuna) | Embodiment 1 | Be | 7 | One-level |
| Shrimp (prawn) | Embodiment 2 | Be | 9 | Secondary |
| Crab (steamed crab) | Embodiment 3 | Be | 5 | One-level |
| Fish (tuna) | Embodiment 1 | No | 3 | One-level |
| Shrimp (prawn) | Embodiment 2 | No | 4 | Secondary |
| Crab (steamed crab) | Embodiment 3 | No | 5 | Secondary |
Above-mentioned test illustrates: for various aquatic products, adopts the fresh-keeping effect of chemical fresh-keeping method and freeze preservation method GC-MS all greatly will be better than the effect of single preservation method.
Be appreciated that the change of a lot of details is possible, but therefore this do not run counter to scope and spirit of the present invention, the suitable change that any person of an ordinary skill in the technical field does it, all should be considered as the category not departing from patent of the present invention.
Claims (1)
1. a method for aquatic product fresh keeping agent keeping fresh aquatic products, is characterized in that, step is as follows:
(1) take clean aquatic products with automatic weighing machine, then be delivered in stirring mixer by conveying worm;
(2) aquatic product fresh keeping agent is placed in storage bin, is added in stirring mixer by constant feeder;
(3), after aquatic products fully mix with antistaling agent in stirring mixer, be delivered in automatic packaging machine and pack; Also comprise the aquatic products freezing after by packaging;
Described aquatic product fresh keeping agent, is mixed by following component by weight percentage:
Said components content sum is 100%.
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| CN103404940B true CN103404940B (en) | 2015-04-22 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104509932A (en) * | 2013-12-25 | 2015-04-15 | 柳州爱格富食品科技股份有限公司 | Aquatic product freshness keeping agent |
| CN105309597A (en) * | 2014-05-26 | 2016-02-10 | 厦门美拉德食品科技有限公司 | Aquatic product water retention and amine removing agent and use method thereof |
| CN104921261A (en) * | 2015-06-29 | 2015-09-23 | 广州市天惠食品有限公司 | Food preservative and preparation method thereof |
| CN106578840A (en) * | 2016-12-26 | 2017-04-26 | 龙海市益合食品配料有限公司 | Squid fresh-keeping agent |
| CN106615041A (en) * | 2016-12-28 | 2017-05-10 | 龙海市益合食品配料有限公司 | Squid tube body fresh-keeping agent |
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| RO90609A2 (en) * | 1984-02-08 | 1986-12-10 | Intreprinderea De Industrializare A Carnii,Ro | ENVIRONMENTALLY ANTICOAGULATING HYDRAULIC ENVIRONMENTAL AND ENERGOINTENSIVE HYDRAULIC ENVIRONMENT |
| CN1249915A (en) * | 1998-10-06 | 2000-04-12 | 南通市东昌化工实业公司 | Aquatic product fresh keeping agent |
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