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Method for prolonging shelf life of chilled fresh pseudosciaena crocea

A technology of large yellow croaker and shelf life, which is applied in the preservation of meat/fish, preservation of meat/fish by radiation/electricity treatment, food preservation, etc. period effect

Inactive Publication Date: 2012-07-18
EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual production and circulation process, the shelf life of large yellow croaker stored in ice is only more than ten days, and the short shelf life seriously limits the sales market of large yellow croaker

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0006] The choice of time to catch large yellow croakers: In order to maintain the unique golden yellow body color of large yellow croakers, the fishing activities are carried out at night.

[0007] Pre-cooling: After the large yellow croakers are caught on the boat, they are immediately put into a foam box filled with ice-water mixture to cool them to death and lower their body temperature to 0-8°C, and leave them in this form for several hours until they are transported. After arriving at the factory, add ice.

[0008] Grading: After the large yellow croakers are transported to the processing factory, the large yellow croakers with damaged body surfaces are sorted out and processed separately, and the large yellow croakers with undamaged body surfaces are divided into different specifications according to their size.

[0009] Packing: After weighing the number of large yellow croakers of the same specification, the belly faces upwards, and the head and tail are alternately l...

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PUM

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Abstract

The invention provides a method for prolonging the shelf life of chilled fresh pseudosciaena croceas, relates to a preservation technology for prolonging the shelf life of the chilled fresh pseudosciaena croceas and aims at providing the preservation technology capable of effectively prolonging the shelf life of the chilled fresh pseudosciaena croceas. The method provided by the invention has the technical scheme that the pseudosciaena croceas are subjected to pre-cooling, grading, box loading and radiation treatment. The method is characterized in that the pseudosciaena croceas are immediately put into a foam box with an ice water mixture after being captured onto a ship, in addition, the pseudosciaena croceas are killed through being cooled, in addition, the body temperature is reduced to 0 to 8 DEG C, in addition, the pseudosciaena croceas are placed in the form box until the pseudosciaena croceas are conveyed to a factory to be subjected to ice adding treatment, after the pseudosciaena croceas are conveyed to the processing factory, the pseudosciaena croceas with undamaged body surfaces are divided into different specifications according to the sizes, the pseudosciaena croceas with the same specifications are placed into a clean foam box with water dripping holes at the head-and-tail alternating way in a posture that the abdomens of the pseudosciaena croceas face the upward direction by adopting the ice layer for separation, and in addition, adhesive tapes are used for sealing the foam box; and after the box loading of the pseudosciaena croceas is completed, low-dosage gamma radiation treatment is carried out, normal temperature radiation is adopted, the radiation source is 60Cogamma, and the radiation dosage is 1kGy.

Description

technical field [0001] The invention relates to a preservation technology for extending the shelf life of chilled large yellow croaker. Background technique [0002] Large yellow croaker (Pseudosciaena crocea) occupies an important position in my country's mariculture industry due to its high economic value and large production and export volume. Due to the processing characteristics of large yellow croaker and people's consumption habits, more than 90% of large yellow croakers are circulated and sold in the form of chilled whole fish. In the actual production and circulation process, the shelf life of large yellow croaker stored in ice is only more than ten days, and the short shelf life severely limits the sales market of large yellow croaker. Therefore take an economical and effective way to extend the shelf life of chilled large yellow croaker, not only can further develop its sales market but also significantly increase the income of fishermen. At present, irradiation...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B4/00A23B4/015
Inventor 杨宪时姜兴为郭全友李学英姜朝军
Owner EAST CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI