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Patent Searching and Data


Title:
METHOD FOR DETECTING AND REGULATING FRESHNESS OF FISH HEAD
Document Type and Number:
WIPO Patent Application WO/2019/169801
Kind Code:
A1
Abstract:
Disclosed is a method for detecting and regulating the freshness of a fish head, the method comprising the following steps: (1) preparing a natural indicator/chitosan film, using same to prepare a smart indicating film indicating the freshness of a fish head, and attaching same to the inner surface of an upper part of a package to make a smart package for a fish head; (2) preparing a composite preservative nano-liposome; (3) spraying the composite preservative nano-liposome on the surface of the fish head; (4) placing the fish head in the smart package, and sealing and refrigerating same; and (5) during the period of time when the fish head is stored, quickly determining the freshness of the fish head based on the colour change of the natural indicator/chitosan film with reference to a colourimetric card.

Inventors:
ZHANG MIN (CN)
CHEN HUIZHI (CN)
YANG ZHAOHUI (CN)
Application Number:
CN2018/093118
Publication Date:
September 12, 2019
Filing Date:
June 27, 2018
Export Citation:
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Assignee:
UNIV JIANGNAN (214122, CN)
International Classes:
A23B4/10; A23B4/20; G01N21/25
Foreign References:
CN106093031A2016-11-09
CN107410441A2017-12-01
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