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Method for improving fatty acid of frozen hairtail by using electron beam irradiation

A technology of electron beam irradiation, fatty acid, applied in food science and other directions

Pending Publication Date: 2022-04-12
TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] At present, no one has studied the effect of electron beam irradiation on frozen hairtail fatty acids, so the patent application of the present invention is essentially different from the above-mentioned published documents or patents

Method used

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  • Method for improving fatty acid of frozen hairtail by using electron beam irradiation
  • Method for improving fatty acid of frozen hairtail by using electron beam irradiation

Examples

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Effect test

Embodiment 1

[0022] A method of using electron beam irradiation to preserve the quality of frozen hairtail, characterized in that: the method adopts high-energy electron beam irradiation technology to irradiate the frozen hairtail that has been viscerated, cut into pieces and vacuum-packed, which can effectively reduce the harmful effects on the hairtail. The content of saturated fatty acids and trans fatty acids that are harmful to human health increases the content of unsaturated fatty acids that are beneficial to human body, significantly improves the quality of hairtail fatty acids, and optimizes the nutritional value of hairtail. Considering energy saving and nutritional quality, the optimal dosage for improving fatty acid in frozen hairtail is 3kGy.

[0023] The frozen hairtail is viscera removed, cut into pieces, washed with distilled water, dried and vacuum-packed.

[0024] During the irradiation, an electron accelerator with an accelerator energy of 10 MeV, a power of 20 kW, and a...

Embodiment 2

[0029] After the fresh frozen hairtail is gutted and cut into pieces, it is washed with distilled water and dried, and the hairtail is vacuum-packed for later use. Lay the hairtail in the tray (thickness is less than 4cm), adopt accelerator energy to be 10MeV, the power is 20kW, the electron accelerator of dose rate 23kGy / min irradiates the hairtail, the dose is respectively 1, 3, 5, 7kGy, immediately after finishing Transported to the laboratory under refrigerated conditions.

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Abstract

The invention particularly relates to a method for improving fatty acid of frozen hairtail by using electron beam irradiation, which adopts a high-energy electron beam technology with the dosage of 1-7kGy to irradiate the frozen hairtail subjected to viscera removal, dicing and vacuum packaging, and finds that the irradiation effectively reduces the content of saturated fatty acid and trans fatty acid harmful to human health in the hairtail, and the content of fatty acid is reduced. And the content of unsaturated fatty acid beneficial to human health is increased. On one hand, the applied high-energy electron beam irradiation technology is an efficient, green and pollution-free processing technology, and the method is simple in process, environmentally friendly, free of residues and suitable for large-scale application; on the other hand, the technology can effectively improve the fatty acid quality of the hairtail, the nutritional value of the hairtail is improved to a certain extent, and a basis is provided for processing and application of related aquatic products. Considering from the aspects of energy conservation and nutritional quality, the optimal dosage of fatty acid suitable for improving frozen hairtail is 3kGy.

Description

technical field [0001] The invention belongs to the technical field of aquatic product processing, and in particular relates to a method for improving frozen hairtail fatty acid by electron beam irradiation. Background technique [0002] Hairtail (Trichiurus lepturus), also known as whip fish, wakame, and swordfish, belongs to Osteophytes, Perciformes, and Hairtail. It is also known as the four major economic fishes in my country together with large yellow croaker, small yellow croaker, and cuttlefish. Hairtail is very popular because of its fat meat, few spines, less fishy taste, and delicious meat, especially Zhoushan hairtail, which is known as "the best hairtail in the world". As a deep-sea fish, hairtail is rich in nutrition, and its body fat is higher than that of other fish, and most of them are unsaturated fatty acids. This fatty acid has a relatively long carbon chain and has the effect of lowering cholesterol and blood lipids. Among them, Omega-3 unsaturated fatty...

Claims

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Application Information

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IPC IPC(8): A23L5/30A23L17/10
Inventor 赵江张玉玺王田心
Owner TIANJIN UNIVERSITY OF SCIENCE AND TECHNOLOGY
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