CN103404940A - 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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- CN103404940A CN103404940A CN2013103335286A CN201310333528A CN103404940A CN 103404940 A CN103404940 A CN 103404940A CN 2013103335286 A CN2013103335286 A CN 2013103335286A CN 201310333528 A CN201310333528 A CN 201310333528A CN 103404940 A CN103404940 A CN 103404940A
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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 the preservation of fishery technical field, 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, ranks first in the world in continuous 15 years.Aquatic products (especially fish and shellfish) occupy an important position in eating patterns, the characteristics of its low fat, low in calories, high protein are indispensable key element in the rational diet structure especially, deeply is subjected to consumers in general's favor.Along with improving constantly of people's living standard, the consumption figure of aquatic products increases day by day, to its freshness, require also more and more high, great variety in view of the generation of the aspects such as aquatic products kind, price and supply and marketing system, 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 that determines its price.After the aquatic products inactivation, in its body, carrying out a series of physics, chemistry and physiological variation.In the incipient stage, the liver glycogen anaerobic degradation, generate creatine, creatine phosphate also resolves into phosphoric acid, and muscle becomes acidity, and the pH value descends, ATP decomposition in muscle simultaneously releases energy and makes temperature rise, causes like this protein acidity to be solidified and contraction of muscle, makes muscle lose extensibility and hardening.Then, after ATP has decomposed, muscle softens gradually again and separates hard, and enter the autolysis stage, protein resolves into the nitrogenous thing of a series of intermediate product and amino acid and solubility and loses intrinsic elasticity, effect due to polyphenol oxidase (PPO) generates the melanin material again, blackspot occurs, comprises that the various microbes of putrefactive microorganisms immerse musculature by crust, stomach, enteraden.In the self-dissolving later stage, microorganism is breeding rapidly in vivo, and the protein in musculature, amino acid and nitrogenous thing are further resolved into to NH3, trimethylamine, hydrogen sulfide, mercaptan, indoles, cadaverine, and histamine etc., aquatic products be can't bear edible.In a word, organize tenderly due to aquatic products, protein and moisture are higher, if it is placed naturally, will soon go bad, corruption, lose edibility, therefore strengthen preservation of fishery work imperative.
In view of this, the present invention aims to provide a kind of aquatic product fresh keeping agent and preservation method thereof with efficient fresh-keeping, anti-corrosion function.
Summary of the invention
The invention provides a kind of aquatic product fresh keeping agent and preservation method thereof with efficient fresh-keeping, anti-corrosion function, can keep to greatest extent the original freshness of aquatic products and quality, can obviously 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%.
A kind of method of utilizing above-mentioned aquatic product fresh keeping agent keeping fresh aquatic products, its step is as follows:
(1) with automatic weighing machine, take clean aquatic products, 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 in stirring mixer with antistaling agent, be delivered in automatic packaging machine and pack.
In above-mentioned steps (3), can also comprise the aquatic products freezing after packing.
Above-mentioned aquatic product fresh keeping agent is a kind of chemical preservative, in this antistaling agent, contains the active component sodium phosphate trimer, and sodium phosphate trimer can prevent the loss of frozen product moisture, guarantees the freezing quality of processed aquatic products.Its mechanism of action is the ionic strength that tripolyphosphate can increase protein local hydrogen ion exponent on every side, this variation can make the protein surface launched institute exposed region be combined well with hydrone, increased the binding ability of protein and hydrone, thereby the quality of aquatic products has been improved significantly.
In above-mentioned aquatic product fresh keeping agent, contain active component sodium pyrophosphate, calgon, dipotassium hydrogen phosphate, tertiary sodium phosphate.The effect of these active components is the pH values that can rationally regulate aquatic products (as: fish, shrimp, crab shellfish meat), by supplementing water product proteosome moisture, improve the albumen freshness, increase gloss, and can keep the quality after marine product thaws, reduce the mass loss after cooking, suppress hay bacillus and colibacillary generation, can also prevent the blackening of the aquatic products such as shrimp, crab shell, effectively play fresh-keeping, anticorrosion, keep moisture to increase the effect of quality.
In addition, in above-mentioned aquatic product fresh keeping agent, also contain the edible salt that percentage by weight is 10-20%.Edible salt is that coastal fisherman carries out fresh-keeping conventional method to fish.Its fresh keeping principle is the osmotic dehydration that utilizes salt solution, and aquatic products moisture is reduced, and by destroying aquatic products internal microorganism and enzyme activity effect, suppressing the breeding of microorganism and the activity of enzyme, thereby reaches fresh-keeping purpose.Show by experiment: edible salt mixes use with sodium phosphate trimer, sodium pyrophosphate, calgon, dipotassium hydrogen phosphate, tertiary sodium phosphate, adopts the dry salting fresh-keeping effect splendid.
The present invention also comprises a kind of method of utilizing the aquatic product fresh keeping agent keeping fresh aquatic products.The method is the full-automatic dispensing of employing, batching and packaging system, realizes fast, efficiently hangs down fresh-keeping aquatic products.Can also comprise in the method the aquatic products freezing after packing is completed.Freezing can effectively suppress the growth and breeding of bacterium in the aquatic products body, keeps organoleptic quality and extends the preservation time.Under freezing state, part moisture in the aquatic products body freezes, moisture in microbial body also freezes, so just changed the biochemical reactions of microorganism, some bacterium starts death, though some other bacterium is not dead, its activity has been subject to inhibition, almost irreproducible, so just can make aquatic products 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 increase by fresh chemically the binding ability of aquatic products kind protein and hydrone, thereby play effect effectively fresh-keeping, anticorrosion, that keep moisture, quality to aquatic products produces significantly improvement, and freeze preservation can suppress the growth and breeding of bacterium in aquatic products again simultaneously.
The specific embodiment
The present invention is further illustrated below in conjunction with specific embodiment.
Embodiment 1
The 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
The 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
The 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
Utilize the method for the aquatic product fresh keeping agent keeping fresh aquatic products of right embodiment 1-3 formula, step is as follows:
(1) with automatic weighing machine, take clean aquatic products, 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 in stirring mixer with antistaling agent, be delivered in automatic packaging machine and pack.
Embodiment 5
Utilize the method for the aquatic product fresh keeping agent keeping fresh aquatic products of right embodiment 1-3 formula, step is as follows:
(1) with automatic weighing machine, take clean aquatic products, 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 in stirring mixer with antistaling agent, be delivered in automatic packaging machine and pack;
(4) the aquatic products freezing after packing.
Embodiment 6
In order to verify actual effect of the present invention, adopt the method for the embodiment of the present invention 4 and embodiment 5 respectively the fresh-keeping effect of 10 kilograms of marine products (being respectively: fish, shrimp, crab meat) to be carried out to contrast verification, obtain following result of use.
Table 1: aquatic product fresh keeping agent fresh-keeping effect contrast
| The 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 explanation: for various aquatic products, adopt the fresh-keeping effect of chemical fresh-keeping method and freeze preservation method GC-MS all will greatly be better than the effect of single preservation method.
The variation that is appreciated that a lot of details is possible, but therefore this do not run counter to scope and spirit of the present invention, and any person of an ordinary skill in the technical field, to its suitable variation of doing, all should be considered as not breaking away from the category of patent of the present invention.
Claims (3)
1. aquatic product fresh keeping agent is characterized in that: by following component, mixed 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%.
2. a method of utilizing aquatic product fresh keeping agent keeping fresh aquatic products claimed in claim 1, is characterized in that, step is as follows:
(1) with automatic weighing machine, take clean aquatic products, 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 in stirring mixer with antistaling agent, be delivered in automatic packaging machine and pack.
3. the method for keeping fresh aquatic products according to claim 2, is characterized in that: in described step (3), also comprise the aquatic products freezing after packing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310333528.6A CN103404940B (en) | 2013-08-02 | 2013-08-02 | Aquatic product fresh-keeping agent and fresh-keeping method employing same |
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| CN201310333528.6A CN103404940B (en) | 2013-08-02 | 2013-08-02 | Aquatic product fresh-keeping agent and fresh-keeping method employing same |
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| CN103404940A true CN103404940A (en) | 2013-11-27 |
| CN103404940B CN103404940B (en) | 2015-04-22 |
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Cited By (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 |
| 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 |
| 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 |
| 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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| 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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| CN103404940B (en) | 2015-04-22 |
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Granted publication date: 20150422 Termination date: 20210802 |