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Composite preservation method for morchella esculenta by adopting low-temperature ozone drying agent

A compound fresh-keeping and Morchella technology, which is applied in the directions of food drying, fruit and vegetable fresh-keeping, and application, can solve problems such as exogenous pollution, preservative residues, endangering food safety, etc., so as to inhibit self-enzyme activity, maintain integrity and cleanliness , the effect of reducing external pollution

Inactive Publication Date: 2021-07-13
GUIZHOU CROP VARIETIES RESOURCE INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Due to the porous structure of hickory chick, when spraying or soaking with preservatives such as chitosan coating, exogenous ATP, nisin, etc., the consumption is huge and the cost is high. Exogenous pollution
However, the high adhesion dose of the soaking method will cause preservative residues, which will endanger food safety. The spraying method is difficult to spray in place due to the structure of morels, which increases costs and manpower.
The raw materials of Dictyophora spinosa mycelium extract, Angelica dahurica volatile oil extract, Scutellaria baicalensis, rosemary, and propolis are expensive, and the cost of fresh-keeping morel mushrooms is too high, and it is not suitable for promotion
[0005] The use of ozone alone cannot completely guarantee that morels will not be infested by microorganisms during the packaging process after fumigation, and the equipment required for high-voltage static electricity is expensive, difficult to operate, and has no universal applicability
Therefore there is no suitable and effective hickory chick fresh-keeping technology at present

Method used

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  • Composite preservation method for morchella esculenta by adopting low-temperature ozone drying agent
  • Composite preservation method for morchella esculenta by adopting low-temperature ozone drying agent
  • Composite preservation method for morchella esculenta by adopting low-temperature ozone drying agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Includes the following steps:

[0033] (1) Pre-cooling treatment of the harvested sheep belly, temperature 3 ° C;

[0034] (2) Treatment of sheep bacteria after preparation in concentration 16mg / m 3 Ozone sealed space fumigation for 30min;

[0035] (3) The fumigation of the sheep bacterium and the discolored silica gel desischers are more than 12: 1 box, and the sheep bacteria is higher than 90%;

[0036] (4) The sealing film is stored in a 4 ° C environmental storage.

Embodiment 2

[0038] Includes the following steps:

[0039] (1) Pre-cooling treatment of the harvested sheep bacterium, temperature 4 ° C;

[0040] (2) Treatment of sheep bacteria after pre-cooling in concentration 18mg / m 3 Ozone sealed space fumigation for 20 min;

[0041] (3) The fumigation of the sheep bacterium and the discolored silica gel desiccant are by weight than 16: 1 box;

[0042] (4) The sealing film is stored in a 4 ° C environmental storage.

Embodiment 3

[0044] Includes the following steps:

[0045] (1) Pre-cooling treatment of the harvested sheep belly, temperature 5 ° C;

[0046] (2) Treatment of sheep bacteria after preparation in concentration 19 mg / m 3 The ozone sealed space fumigation is 10 min, and the water content of the sheep bacteria is less than 90%;

[0047] (3) The fumigation of the sheep bacterium and the discolored silica gel desiccant is compared to 20: 1 box;

[0048] (4) The sealing film is stored in a 4 ° C environmental storage.

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Abstract

The invention relates to a composite preservation method for morchella esculenta by adopting a low-temperature ozone drying agent, which belongs to the field of preservation of morchella esculenta. The method comprises steps of carrying out pre-cooling treatment on the harvested morchella esculenta for 4-5 hours at the temperature of 3-5 DEG C, fumigating the precooled morchella esculenta in an ozone closed space with the concentration of 16 mg / m<3> to 19 mg / m<3> for 10 to 30 minutes, boxing the fumigated morchella esculenta and allochroic silicagel desiccant according to the weight ratio of (12-20): 1, and sealing a film and storing in an environment of 4 DEG C. The method has the advantages that under the condition that the appearance, smell and taste of the morchella esculenta are not affected, completeness and cleanness of morchella esculenta bodies are kept, cleaning, spraying and soaking of liquid are avoided, exogenous pollution is reduced, self enzyme activity is inhibited, and therefore the freshness degree of the morchella esculenta is kept, the preservation period is prolonged, and the method is a morchella esculenta fresh-keeping composite technology which is simple and convenient to operate and suitable for popularization.

Description

Technical field [0001] The present invention belongs to the preservation of sheep bacteria, and specifically involves a composite preservation method using a low-temperature ozone desiccant. Background technique [0002] The sheep belly is a rare meal. In recent years, the price of sheep bacteria has risen, and the drying can be exported, but it also destroyed the original flavor of the fresh sheep. Effective preservation technology can extend the sheep bacteria preservation period, which in turn can carry out long-distance transportation and sales. [0003] At present, there is less research on the preservation technology of the sheep. And other foods are not suitable. The preservation technology of the sheep bacterium is currently only spraying or soaking, chitosan coating film, high pressure static electricity, O 2 Co 2 Melody, 95% ethanol solution fumigation and ozone. Among them, the selection of preservatives is different, including the ratcarbiattomytine extract; the lacti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/152A23B7/022
CPCA23B7/152A23B7/022A23V2002/00A23V2250/128A23V2300/10
Inventor 黄成运刘宏宇朱国胜桂阳周佳佳
Owner GUIZHOU CROP VARIETIES RESOURCE INST
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