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Mushroom-type food fresh-keeping packaging material and preparation method thereof

A technology for food preservation and packaging materials, applied in the field of packaging materials, can solve the problems of single function, increase the burden of manpower and financial resources on consumers, and other problems, such as hidden dangers of food safety for consumers, and achieves simple preparation method, protection of integrity, excellent physical and chemical properties. performance effect

Inactive Publication Date: 2016-11-02
SUZHOU DINGLI PACKAGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ordinary packaging film has a single function and requires measures such as punching, coating, and adding preservatives to obtain better results. This not only increases the burden of manpower and financial resources on Yannong, but also brings hidden dangers to consumers' food safety.

Method used

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  • Mushroom-type food fresh-keeping packaging material and preparation method thereof

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Comparison scheme
Effect test

Embodiment 1

[0019] A fresh-keeping packaging material for mushroom food, the components and the mass parts of each component are as follows: 30 parts of polyvinyl chloride, 15 parts of polyethylene, 5 parts of epoxy soybean oil, 1 part of chlorinated paraffin, 2 parts of epoxy linseed oil 5 parts of nano-silica, 0.1 part of sodium bisulfite, 0.5 part of dioctyl phthalate, 6 parts of pentaerythritol, 2 parts of aluminum oxide as a coupling agent, and 1 part of dibutyltin dilaurate as a stabilizer.

[0020] The preparation method comprises the steps of:

[0021] 1) According to the mass ratio, polyvinyl chloride, polyethylene, epoxy soybean oil, chlorinated paraffin, epoxy linseed oil and nano silicon dioxide are mixed at high speed for 1~3 hours and then kneaded in a co-rotating twin-screw extruder Extruded, cooled in a cold water tank and cut to obtain the masterbatch; the speed of high-speed mixing is 13000rpm;

[0022] 2) Add the remaining components, mix well at 80°C, and blow the fil...

Embodiment 2

[0024] A fresh-keeping packaging material for mushroom food, the components and the mass parts of each component are as follows: 50 parts of polyvinyl chloride, 30 parts of polyethylene, 10 parts of epoxy soybean oil, 6 parts of chlorinated paraffin, 6 parts of epoxy linseed oil 10 parts of nano-silica, 0.8 parts of sodium bisulfite, 2.5 parts of dioctyl phthalate, 12 parts of pentaerythritol, 6 parts of aluminum oxide as a coupling agent, and 5 parts of dibutyltin dilaurate as a stabilizer.

[0025] The preparation method comprises the steps of:

[0026] 1) According to the mass ratio, polyvinyl chloride, polyethylene, epoxy soybean oil, chlorinated paraffin, epoxy linseed oil and nano silicon dioxide are mixed at high speed for 1~3 hours and then kneaded in a co-rotating twin-screw extruder Extruded, cooled in a cold water tank and cut to obtain the masterbatch; the speed of high-speed mixing is 13000rpm;

[0027] 2) Add the remaining components, mix well at 80°C, and blow ...

Embodiment 3

[0029] A fresh-keeping packaging material for mushroom food, the components and the mass parts of each component are as follows: 35 parts of polyvinyl chloride, 20 parts of polyethylene, 6 parts of epoxy soybean oil, 2 parts of chlorinated paraffin, 3 parts of epoxy flax oil 6 parts of nano-silica, 0.3 parts of sodium bisulfite, 1.2 parts of dioctyl phthalate, 8 parts of pentaerythritol, 3 parts of coupling agent aluminum oxide, and 2 parts of stabilizer dibutyltin dilaurate.

[0030] The preparation method comprises the steps of:

[0031] 1) According to the mass ratio, polyvinyl chloride, polyethylene, epoxy soybean oil, chlorinated paraffin, epoxy linseed oil and nano silicon dioxide are mixed at high speed for 1~3 hours and then kneaded in a co-rotating twin-screw extruder Extruded, cooled in a cold water tank and cut to obtain the masterbatch; the speed of high-speed mixing is 13000rpm;

[0032] 2) Add the remaining components, mix well at 80°C, and blow the film with a ...

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Abstract

The invention discloses a mushroom-type food fresh-keeping packaging material and a preparation method thereof. The mushroom-type food fresh-keeping packaging material comprises, by mass, 30-50 parts of polyvinyl chloride, 15-30 parts of polyethylene, 5-10 parts of epoxy soybean oil, 1-6 parts of chlorinated paraffin, 2-6 parts of epoxy linseed oil, 5-10 parts of nanometer silica, 0.1-0.8 parts of sodium bisulfate, 0.5-2.5 parts of dicapryl phthalate, 6-12 parts of pentaerythritol, 2-6 parts of a coupling agent and 1-5 parts of a stabilizing agent. The packaging material improves mushroom immunity, induces a protection enzyme system to start, removes redundant free radicals, inhibits membrane lipid peroxidation, protects membrane structure integrity and delays mushroom aging. The packaging material can inhibit generation of spoilage microorganisms such as bacteria and mould, guarantee mushroom quality and realize fresh-keeping effects.

Description

technical field [0001] The invention belongs to the technical field of packaging materials, and in particular relates to a fresh-keeping packaging material for mushroom-like food and a preparation method thereof. Background technique [0002] Edible fungi (refers to a class of large fungi that are available for use, they are visible to the naked eye, can be harvested by hand, and have fruiting bodies of different shapes. These fruiting bodies are generally born on the ground on fallen tree stumps, dung grass soil, plant root lotus or Born in the underground soil. With the improvement of people's economy and living standards, the requirements for food nutrition are getting higher and higher. Edible fungi are rich in nutrients and contain high protein, various amino acids, vitamins, polysaccharides, minerals, etc. Nutrients and low fat content. Edible fungi also have health functions such as anti-tumor, immune regulation, and anti-virus, and have become a recognized "healthy f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L23/06C08L91/06C08L91/00C08K13/02C08K3/36C08K5/12C08K5/053C08K3/22B65D81/24
CPCC08L27/06B65D81/24C08J5/18C08J2327/06C08K2201/011C08L2203/16C08L2205/02C08L2205/025C08L2205/035
Inventor 顾建芳
Owner SUZHOU DINGLI PACKAGING
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