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Mushroom fresh-keeping agent and preparation method thereof

The technology of a preservative and shiitake mushroom is applied in the field of shiitake preservative and its preparation, which can solve the problems of large residue of shiitake preservative, great harm to the human body, and short preservation time of shiitake mushrooms, so as to ensure freshness and nutritional components, low preservation cost, The effect of keeping fresh for a long time

Inactive Publication Date: 2016-01-27
QINGDAO BAIZHONG CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a shiitake mushroom preservative and a preparation method thereof, which solves the problems of the prior art that the shiitake mushrooms are kept fresh for a short time and that the existing shiitake mushroom preservatives have many residues and great harm to the human body

Method used

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  • Mushroom fresh-keeping agent and preparation method thereof

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Embodiment 1

[0013] A preparation method of mushroom fresh-keeping agent, comprising the following steps: 1) adding 5 parts by weight of chitosan, 5 parts by weight of vitamin C, 1 part by weight of tea polyphenol and 5 parts by weight of pullulan to 100 parts by weight of sterile water, stirred evenly to make a mixed solution; 2) Put the mixed solution obtained in step 1) on an ultrasonic disperser and ultrasonically disperse at 40°C for 30 minutes to make a dispersion solution; 3) Make the mixed solution in step 2) The obtained dispersion solution is subpackaged, sterilized, and sealed to obtain the antistaling agent.

Embodiment 2

[0015] A preparation method of mushroom preservative, comprising the following steps: 1) adding 7 parts by weight of chitosan, 8 parts by weight of vitamin C, 3 parts by weight of tea polyphenols and 8 parts by weight of pullulan to 110 parts by weight of sterile water were stirred evenly to make a mixed solution; 2) the mixed solution obtained in step 1) was placed on an ultrasonic disperser and ultrasonically dispersed at 60°C for 45 minutes to make a dispersion solution; 3) the mixed solution obtained in step 2) The obtained dispersion solution is subpackaged, sterilized, and sealed to obtain the antistaling agent.

Embodiment 3

[0017] A method for preparing a preservative for shiitake mushrooms, comprising the following steps: 1) adding 10 parts by weight of chitosan, 10 parts by weight of vitamin C, 5 parts by weight of tea polyphenols and 10 parts by weight of pullulan to 120 parts by weight of sterile water, stirred evenly to make a mixed solution; 2) Put the mixed solution obtained in step 1) on an ultrasonic disperser and ultrasonically disperse at 80°C for 60 minutes to make a dispersion solution; 3) Make the mixed solution in step 2) The obtained dispersion solution is subpackaged, sterilized, and sealed to obtain the antistaling agent.

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Abstract

The invention discloses a mushroom fresh-keeping agent and a preparation method of the mushroom fresh-keeping agent and belongs to the technical field of fruit and vegetable fresh preservation. The mushroom fresh-keeping agent comprises the following raw materials in parts by weight: 5-10 parts of chitosan, 5-10 parts of vitamin C, 1-5 parts of tea polyphenol, 5-10 parts of pulullan and 100-120 parts of sterile water. The invention further provides the preparation method of the mushroom fresh-keeping agent. The method comprises the steps of mixing the raw materials, and performing ultrasonic dispersion and subpackage. The fresh-keeping agent is directly sprayed onto the surface of picked mushroom after diluted, is convenient to use, can be used for the fresh preservation of a small portion of bagged mushroom and massive warehoused mushroom, has low fresh preservation cost and long fresh preservation time, can prolong fresh storage life of the mushroom to 30 days, achieves good quality control, adequately assures freshness and nutritional ingredients of the mushroom, has no toxic or side effects on a human body, is safe and environment-friendly and meets diversified demands of people on the mushroom.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping of fruits and vegetables, in particular to a mushroom fresh-keeping agent and a preparation method thereof. Background technique [0002] Shiitake mushroom is the second largest edible fungus in the world and one of the special products in my country. It is known as "mountain delicacy" among the people. It is a fungus that grows on wood. It is delicious, fragrant and nutritious, and is known as the "Queen of Plants". In addition to 85-90% water content, fresh shiitake mushrooms contain 19.9% ​​crude protein, 4% crude fat, 67% soluble nitrogen-free substances, 7% crude fiber and 3% ash in solid matter. Rich in vitamin B complex, iron, potassium, and provitamin D (converted into vitamin D after sun exposure), it is sweet in taste and flat in nature, and it is mainly used to treat loss of appetite, lack of energy and fatigue. Improve the activity of helper T cells and enhance the body's humo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/154
Inventor 张明
Owner QINGDAO BAIZHONG CHEM TECH
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