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Low-temperature quick micro-freezing fresh-keeping technology for freshwater and seawater shrimps

A seawater shrimp, fast technology, applied in the direction of preservation of meat/fish by freezing/cooling, etc., can solve the problems of unbalanced internal and external pressure, damage to protoplasm and cell membrane, cell lysis, etc., to avoid unbalanced damage.

Pending Publication Date: 2019-04-30
阿凡达农业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During the industrialized production process of freshwater and seawater shrimp freezing and cold storage, when the temperature of the freezing equipment is lowered, ice crystals are first produced between the cells of freshwater and seawater shrimp, and as the temperature gradually decreases, ice crystals are produced in the cells again, so that It leads to the imbalance of pressure inside and outside the cell, thus destroying the protoplasm and cell membrane, leading to cell lysis and death

Method used

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  • Low-temperature quick micro-freezing fresh-keeping technology for freshwater and seawater shrimps

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Embodiment Construction

[0009] Hereinafter, the invention will now be described more fully with reference to the accompanying drawings, in which various embodiments are shown. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0010] Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

[0011] combined with figure 1 Shown, fresh-water shrimp low-temperature fast micro-freeze fresh-keeping technology of the present invention is by fresh-water shrimp low-temperature quick micro-freeze fresh-keeping technology of the present invention is to be by fresh-water shrimp cleaning 1, sterilization 2, vacuum packing 3, continuous type micro-freezing machine (-27°C--3...

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PUM

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Abstract

The invention provides a low-temperature quick micro-freezing fresh-keeping technology of freshwater and seawater shrimps. The low-temperature quick micro-freezing fresh-keeping technology adopts a high-tech biological technology, the ice crystal condition of organism cells under a low-temperature condition is studied, a low temperature and ultra-low temperature technology and a newly-invented micro-freezing fluid from natural components is applied to the freshwater and seawater shrimps frozen for fresh keeping, an innovative freezing curve is applied, and the freshwater and seawater shrimps are directly frozen in the micro-freezing fluid for fresh keeping. According to kinds and sizes of materials, freezing fresh keeping of the freshwater and seawater shrimps is completed in 6-15 minutesor 15-30 minutes, which is presented in the respects that cell membranes of the freshwater and seawater shrimps after the freezing fresh keeping are not frosted to be cracked and are under an organismmicro-freezing condition; and then refrigerating is performed so as to maintain the freshwater and seawater shrimps after the freezing fresh keeping fresh in quality. The low-temperature quick micro-freezing technology is an innovative micro-freezing fresh-keeping technology in the world, the cells of the freshwater and seawater shrimps are kept not cracked, and the transformation of polysaccharides substances in the freshwater and seawater shrimps is improved; and when freezing fresh-keeping is performed on the fresh freshwater and seawater shrimps in the shortest time according to the freezing curve, after the fresh freshwater and seawater shrimps are stored under the refrigerating condition for within 12 months, the fresh quality of the fresh freshwater and seawater shrimps is still maintained.

Description

technical field [0001] The invention relates to the technical field of low-temperature preservation of freshwater and seawater shrimp, and proposes a low-temperature rapid micro-freezing preservation technology of freshwater and seawater shrimp. Background technique [0002] We have found that in nature, the somatic cells of hibernating animals have a natural antifreeze mechanism, such as frogs, loach, crucian carp, and other animals and aquatic animals that live in subtropical and frigid regions. The polysaccharide antifreeze substances of somatic cells have a sharp increase in the number of double bonds of fatty acid molecules in their subcellular membranes. The antifreeze is studied from the perspective of cell dynamics, so that the somatic cells are not frozen due to the drop in external temperature. Crystal frost heaves and ruptures; organisms preserve their living bodies by keeping their body cells in a slightly frozen state, and recover and revive when the temperature...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B4/09
CPCA23B4/09
Inventor 韩永苗王玉斌艾朝君
Owner 阿凡达农业有限公司
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