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A dual-indication smart label for identifying meat quality, its production method and application

A production method and technology of smart labels, which can be applied in material analysis, rayon manufacturing, textile and paper making by observing the impact on chemical indicators, can solve the problems of single function and low sensitivity, and achieve wide application prospects and extended The shelf life of fresh meat and the effect of real-time monitoring of meat freshness

Active Publication Date: 2022-04-26
INNER MONGOLIA AGRICULTURAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, these existing technologies are still used as a single indicator or a single sensor, and there are still problems such as low sensitivity, single function, and only one of the factors can be controlled and detected to monitor the freshness of meat

Method used

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  • A dual-indication smart label for identifying meat quality, its production method and application
  • A dual-indication smart label for identifying meat quality, its production method and application
  • A dual-indication smart label for identifying meat quality, its production method and application

Examples

Experimental program
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Effect test

Embodiment 1

[0125] Embodiment 1: The production of the dual indication smart label of the present invention

[0126] The implementation steps of this embodiment are as follows:

[0127] A. Preparation of primary spinning solution

[0128] Under the conditions of room temperature and stirring, 5 parts by weight of polylactic acid hydrophobic polymers are dissolved in 62 parts by weight of hexafluoroisopropanol oily solvent, while 30 parts by weight of polyvinyl alcohol hydrophilic polymers are dissolved in 86 parts by weight In the water solvent, two different basic spinning solutions are thus obtained;

[0129] B. Preparation of volatile biogenic amine sensing layer spinning solution

[0130] Under the conditions of room temperature and stirring, 8.0 parts by weight of anthocyanin pH indicator dyes are dissolved in 10 parts by weight of N,N-dimethylamide solvent, and 20 parts by weight of polylactic acid hydrophobic polymer are dissolved in 70 parts by weight In the hexafluoroisopropan...

Embodiment 2

[0137] Embodiment 2: the production of the dual indication smart label of the present invention

[0138] The implementation steps of this embodiment are as follows:

[0139] A. Preparation of primary spinning solution

[0140] Under the conditions of room temperature and stirring, 14 parts by weight of polystyrene hydrophobic polymers are dissolved in 50 parts by weight of trifluoroethanol oily solvent, while 35 parts by weight of polyethylene oxide hydrophilic polymers are dissolved in 74 parts by weight of In the aqueous solvent of dimethyl sulfoxide, two kinds of different base spinning solutions are thus obtained;

[0141] B. Preparation of volatile biogenic amine sensing layer spinning solution

[0142] Under the conditions of room temperature and stirring, 1.0 parts by weight of phenolphthalein pH indicator dye was dissolved in 30 parts by weight of N,N-dimethylamide solvent, and 15 parts by weight of polystyrene hydrophobic polymer was dissolved in 74 parts by weight ...

Embodiment 3

[0149] Embodiment 3: The production of the dual indication smart label of the present invention

[0150] The implementation steps of this embodiment are as follows:

[0151] A. Preparation of primary spinning solution

[0152] Under the conditions of room temperature and stirring, 21 parts by weight of cellulose acetate hydrophobic polymers are dissolved in 86 parts by weight of trifluoroacetic acid oily solvent, and 5 parts by weight of chitosan hydrophilic polymers are dissolved in 50 parts by weight of dimethyl In the water-based solvent of sulfoxide, two different basic spinning solutions are obtained;

[0153] B. Preparation of volatile biogenic amine sensing layer spinning solution

[0154] Under the conditions of room temperature and stirring, 0.01 parts by weight of methyl red pH indicator dye was dissolved in 18 parts by weight of N,N-dimethylamide solvent, and 5 parts by weight of cellulose acetate hydrophobic polymer was dissolved in 78 parts by weight In the tri...

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Abstract

The present invention relates to a dual-indication smart label for meat quality identification, a manufacturing method of the dual-indication smart label, and an application of the dual-indication smart label. The manufacturing method of the double-indicating smart label includes preparing the spinning solution for the base layer, preparing the spinning solution for the sensing layer of the volatile biogenic amine, and preparing the volatile H 2 S sensing layer spinning solution and preparation of double-layer fiber membrane and other steps. The dual-indication smart label of the present invention can not only provide relevant information such as meat type, weight, and meat product manufacturer, but also has multiple functions such as extending the shelf life of fresh meat and monitoring the freshness of meat in real time. Therefore, the smart label of the present invention has Very broad application prospects.

Description

【Technical field】 [0001] The invention belongs to the technical field of food detection. More specifically, the present invention relates to a smart label with double indications for meat quality identification, a method for making the smart label, and an application of the smart label. 【Background technique】 [0002] In recent years, frequent food poisoning incidents have caused many people to suffer from food poisoning every year. Therefore, food safety in my country has become a topic of great concern to people. Meat has become an indispensable part of people's daily life because of its high protein content. The quality of meat usually depends on the environment in which meat is packaged and delivered to consumers. During this period, it may be affected by many factors, resulting in food being contaminated by microorganisms, which directly affects the shelf life of meat. Therefore, in many transportation and sales environments Not all meat can be judged by simply smelli...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D04H1/4309D04H1/435D04H1/728D04H3/007D04H3/011D04H3/02D01D5/00D01F1/06D01F1/10D01F2/28D01F6/14D01F6/20D01F6/22D01F6/50D01F6/56D01F6/62D01F6/66D01F6/94D01F8/02D01F8/10D01F8/14D01F8/16D01F8/18D01F9/00G01N21/78
CPCD04H1/728D04H3/02D04H1/4309D04H1/435D04H3/007D04H3/011D01D5/003D01D5/0084D01F6/50D01F1/10D01F1/06D01F6/625D01F6/14D01F6/22D01F6/66D01F6/94D01F9/00D01F2/28D01F6/20D01F6/56D01F8/16D01F8/10D01F8/02D01F8/18D01F8/14G01N21/78D10B2321/06D10B2321/121D10B2331/04D10B2331/041
Inventor 孙文秀孙武亮武玲玲刘宜林
Owner INNER MONGOLIA AGRICULTURAL UNIVERSITY
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