Pleurotus ostreatus preservative and preparation method thereof

A technology of preservatives and oyster mushrooms, which is applied in the fields of fruit and vegetable preservation, food preservation, and protection of fruits/vegetables with coating protective layers, etc. It can solve the problems of great harm to human body, short preservation time of oyster mushrooms, and many residual antistaling agents of oyster mushrooms, etc. problems, to achieve the effect of low cost of preservation, long preservation time, freshness and nutritional content

Inactive Publication Date: 2016-02-03
QINGDAO BAIZHONG CHEM TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a preservative for oyster mushrooms and a preparation method thereof, which solves the problems in the prior art that the

Method used

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  • Pleurotus ostreatus preservative and preparation method thereof

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Embodiment 1

[0012] A preparation method of a preservative for flat mushrooms, comprising the following steps: 1) 5 parts by weight of inulin, 5 parts by weight of citric acid, 1 part by weight of tea polyphenols, 3 parts by weight of calcium lactate, 1 part by weight of Carrageenan and 5 parts by weight of pullulan were sequentially added to 100 parts by weight of sterile water, and stirred evenly to make a mixed solution; 2) The mixed solution obtained in step 1) was placed on an ultrasonic disperser and ultrasonicated at 40°C Disperse for 30 minutes to make a dispersion solution; 3) Subpackage the dispersion solution obtained in step 2), sterilize, and seal to obtain a preservative.

Embodiment 2

[0014] A method for preparing a preservative for flat mushrooms, comprising the following steps: 1) mixing 8 parts by weight of inulin, 7 parts by weight of citric acid, 3 parts by weight of tea polyphenols, 5 parts by weight of calcium lactate, 3 parts by weight of Carrageenan and 8 parts by weight of pullulan were sequentially added to 110 parts by weight of sterile water, stirred evenly to make a mixed solution; 2) The mixed solution obtained in step 1) was placed on an ultrasonic disperser and ultrasonicated at 60°C Disperse for 45 minutes to make a dispersion solution; 3) Divide the dispersion solution obtained in step 2), sterilize, and seal to obtain a preservative.

Embodiment 3

[0016] A method for preparing a preservative for flat mushrooms, comprising the following steps: 1) mixing 10 parts by weight of inulin, 10 parts by weight of citric acid, 5 parts by weight of tea polyphenols, 8 parts by weight of calcium lactate, 5 parts by weight of Carrageenan and 10 parts by weight of pullulan were sequentially added to 120 parts by weight of sterile water, and stirred evenly to make a mixed solution; 2) The mixed solution obtained in step 1) was placed on an ultrasonic disperser and ultrasonicated at 80°C Disperse for 60 minutes to make a dispersion solution; 3) Divide the dispersion solution obtained in step 2), sterilize, and seal to obtain a preservative.

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Abstract

The present invention discloses a pleurotus ostreatus preservative and a preparation method thereof, and belongs to the technical field of fruit and vegetable preservation. The pleurotus ostreatus preservative comprises the following raw materials in parts by weight: 5-10 parts of inulin, 5-10 parts of citric acid, 1-5 parts of tea polyphenol, 3-8 parts of calcium lactate, 1-5 parts of carrageenan, 5-10 parts of pullulan and 100-120 parts of sterile water. The present invention also provides the pleurotus ostreatus preservative preparation method and the pleurotus ostreatus preservative is prepared by mixing the raw materials, conducting ultrasonic dispersion of the mixed raw materials, and sub-packing the ultrasonically dispersed raw materials. The preservative is diluted and the diluted preservative is directly sprayed onto the surface of the collected pleurotus ostreatus. The pleurotus ostreatus preservative can be used for the preservation of small-bagged pleurotus ostreatus and also be used for the preservation of the pleurotus ostreatus stored in large quantities. The pleurotus ostreatus preservative is low in cost and long in preservation time, can extend the preservation and storage period of the pleurotus ostreatus to 30 days, is good in quality control, fully guarantees the freshness and nutrients of the pleurotus ostreatus, is free of any toxic or side effects to human body, is safe and environmentally friendly, and meets the needs of different groups for the pleurotus ostreatus.

Description

technical field [0001] The invention belongs to the technical field of fresh-keeping of fruits and vegetables, in particular to an oyster mushroom fresh-keeping agent and a preparation method thereof. Background technique [0002] Pleurotus otreatus, scientific name: Pleurotus otreatus; also known as Pleurotus otreatus, Pleurotus pylori, Oyster Mushroom, Black Peony Mushroom, Taiwan is also known as Xiuzhen Mushroom. Traditional Chinese medicine believes that Pleurotus ostreatus is warm in nature and sweet in taste; it has the effect of chasing wind and cold, relaxing tendons and activating collaterals; The proteoglycans in Pleurotus ostreatus have a strong inhibitory effect on cancer cells and can enhance the immune function of the body. [0003] After being harvested, Flammulina velutipes tends to lose its original color, aroma, and taste due to its tender tissue, high water content, and strong breathing. The traditional preservation of Flammulina velutipes uses chemical...

Claims

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Application Information

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IPC IPC(8): A23B7/153A23B7/16
Inventor 张明
Owner QINGDAO BAIZHONG CHEM TECH
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