Penaeus Vannamei ice temperature fresh keeping method combining with ice cube refrigeration

A fresh-keeping method and technology for white shrimp, applied in the fields of food preservation, food science, application, etc., can solve the problems of nutrient loss, increased nutrient loss, temperature fluctuation, etc., and achieve the effect of slowing down the speed of blackening and prolonging the shelf life.

Active Publication Date: 2012-04-25
SHANGHAI OCEAN UNIV
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  • Abstract
  • Description
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Problems solved by technology

[0006] The cold storage time is short, and the spoilage is fast; although the freshness index can be maintained for a long time in frozen storage, the physical and chemical indicators are severely reduced, and the loss of nutrients is intensified, especially the loss of nutrients caused by the thawing process is serious.
The increasingly popular ice

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Embodiment Construction

[0024] In order to make the present invention easier to understand, the present invention will be further described below in conjunction with specific embodiments.

[0025] Add phytic acid, glucose oxidase, and lysozyme to distilled water at a mass ratio of 0.06%, 0.15%, and 0.02%, respectively, and stir with a stirrer for 10 minutes to obtain a colorless, uniform solution containing biological preservatives. Divide the solution into Two parts, one part is made into ice cubes from the liquid by an ice maker, that is, crushed ice cubes containing composite biological preservatives, and the other part is for use.

[0026] The specific preparation method of the biological preservative is as follows: ① Take a certain amount of phytic acid solution with a mass percentage of 50%, add it to distilled water and put it on a stirrer to stir evenly; ② During the stirring process, add a certain amount of weighed Glucose oxidase powder, stirred evenly; ③ Take a certain amount of lysozyme w...

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Abstract

The invention discloses a Penaeus Vannamei ice temperature fresh keeping method combining with ice cube refrigeration. The method comprises the following steps: 1, preparing a biological fresh keeping agent solution, and dividing it into two parts; 2, preparing ice cubes from one part of the biological fresh keeping agent solution by an ice making machine; 3, flushing screened Penaeus Vannamei bodies by sterile water, cooling the Penaeus Vannamei bodies by crushed ice for 5-10min, and immersing the cooled Penaeus Vannamei bodies in the biological fresh keeping agent solution for 1-3min; 4, putting the ice cubes containing the biological fresh keeping agent in a stainless steel cylinder to realize a case that the Penaeus Vannamei bodies are surrounded by the ice cubes; 5, covering Penaeus Vannamei surfaces with a small amount of the crushed ice to fully cover Penaeus Vannamei by the ice cubes; 6, storing the stainless steel cylinder in a 2-8DEG C refrigerator; and 7, timely supplying the ice cubes containing the biological fresh keeping agent during the storage. Compared with the storage which is carried out only under pure water ice cube refrigeration conditions, the fresh keeping agent allows the shelf life of Penaeus Vannamei to be obviously prolonged by 7-8 days. The fresh keeping method of the invention, which is simple and easy to carry out, can accurately realize the ice temperature control and has a good fresh keeping effect, has a very good application value.

Description

technical field [0001] The invention relates to the technical field of biological fresh-keeping of food and medicine, in particular to the field suitable for fresh-keeping of Penaeus vannamei, and relates to an ice-temperature fresh-keeping method for refrigerating Penaeus vannamei by combining ice cubes. Background technique [0002] Penaeus vanmamei is a creature native to the waters of the Pacific coast of South America. Since it was introduced in my country in the 1990s, its production scale has continued to expand, and it has now become the country with the largest breeding area and the highest output in the world. . Penaeus vannamei is rich in protein, low in fat, and delicious in meat quality. It is very popular with consumers. However, Penaeus vannamei is a perishable food. During fishing, transportation, processing and storage, the solution turns black and spoils, reaching the consumption level. The situation is unacceptable to the marketers, resulting in a great wa...

Claims

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Application Information

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IPC IPC(8): A23L3/375A23L3/3571A23L3/3553
Inventor 王金锋谢晶侯伟峰汤毅
Owner SHANGHAI OCEAN UNIV
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