Title:
WATER-FREE PRESERVATION METHOD FOR FRESHWATER FISH
Document Type and Number:
WIPO Patent Application WO/2020/024128
Kind Code:
A1
Abstract:
Disclosed is a water-free preservation method for freshwater fish. The method comprises: after fish bred in a river are netted from the river, placing the fish into a 2% ethanol aqueous solution for 40 minutes, wherein the ethanol aqueous solution is 90 times the weight of the fish; (2) sealing, by means of paper tape, eyes of the fish that have been subjected to the processing in step (1), and then placing the fish into an icehouse at a temperature of -15 ℃ for quick freezing for 40 minutes; (3) placing the fish that have been subjected to the processing in step (2) into a freezing device at a temperature of -18 ℃ for storage and later use; and (4) before cooking, removing the paper tape for sealing the eyes of the fish, and putting the fish into a basin that contains warm water at a temperature of 15-20 ℃ for half an hour, so that the fish revives. By means of the method, the time that the fish is kept alive is long and at least 15 days. Moreover, the cost is low, and the transportation is convenient.
Inventors:
WU QINFEN (CN)
Application Number:
PCT/CN2018/097924
Publication Date:
February 06, 2020
Filing Date:
August 01, 2018
Export Citation:
Assignee:
WU QINFEN (CN)
International Classes:
A23B4/06; A23B4/09
Foreign References:
| CN107258878A | 2017-10-20 | |||
| CN1071803A | 1993-05-12 |
Other References:
QU LILI: "Tips for keeping fish fresh", HOUSEHOLD ENCYCLOPEDIA, 31 August 2007 (2007-08-31), pages P176
Attorney, Agent or Firm:
NANTONG YONGTONG PATENT AGENCY (CN)
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