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Modified atmosphere fresh-keeping method for agrocybe cylindracea

A technology of controlled atmosphere preservation and tea tree mushroom, which is applied in the fields of fruit and vegetable preservation, food preservation, and preservation of fruits/vegetables through freezing/refrigerating, which can solve the problems of slow oxygen reduction, limited effect, and high accumulation, and reduce overcrowding Pressing, preventing rot and deterioration, and inhibiting the effect of quality change

Inactive Publication Date: 2015-09-02
CHENGDU ACAD OF AGRI & FORESTRY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Low-temperature cold storage has a short storage period and large investment in civil engineering; the chemical concentration control and residual problems of chemical fresh-keeping have not been well resolved; the oxygen reduction rate in the early stage of spontaneous controlled atmosphere fresh-keeping is slow, and the CO 2 Accumulated too high; O 3 Processing alone has limited effect, etc.

Method used

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  • Modified atmosphere fresh-keeping method for agrocybe cylindracea
  • Modified atmosphere fresh-keeping method for agrocybe cylindracea

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment includes the following steps:

[0029] A. Selection: select nine-mature fresh mushroom bodies with complete bodies for selection and grading;

[0030] B. Sterilization: use ultraviolet light to irradiate the fresh mushroom body spread out in a single layer;

[0031] C. Packing: Lay a wood pulp paper layer on the inner wall of the turnover box, stack the sterilized fresh mushroom bodies into the turnover box, and place wooden pulp paper on the fresh mushroom bodies at intervals of 7-10cm in thickness. Pulp paper layer, a wood pulp paper layer is laid on the top of the fresh mushroom body to close the turnover box;

[0032] D. Modified atmosphere preservation: Put the full turnover box into the modified atmosphere packaging bag, vacuumize the packaging bag, and then inject the prepared fresh-keeping gas into the bag;

[0033] E. Storage: Store the modified atmosphere packaging bag under refrigerated conditions.

[0034] Through manual sorting, take out...

Embodiment 2

[0044] In this example, the tea tree mushroom that has been packaged is placed under the condition of 2~4°C, and the tea tree mushroom can be placed for 30 days. On the 30th day, the weight loss rate of the tea tree mushroom is 6.3%, and the decay rate is 3.8%. A good tea tree mushroom can be placed under the condition of 4~10°C for 20 days. On the 20th day, the weight loss rate of tea tree mushroom is 6.7%, and the rot rate is 3.5%. Put the packaged tea tree mushroom in 11 Under the condition of ~15℃, tea tree mushroom can be placed for 15 days. On the 15th day, the weight loss rate of tea tree mushroom is 7.5%, and the rot rate is 3.0%. At the same time, the tea tree mushroom can be placed for 10 days. On the 10th day, the weight loss rate of the tea tree is 7.2%, and the rot rate is 2.5%. It can be concluded that under the storage condition of storage temperature 2~20℃, the lower the temperature, the smaller the loss of tea tree mushroom, and the better the effect of inhibi...

Embodiment 3

[0046] In this embodiment, on the basis of Example 1, for tea tree mushrooms with less storage capacity, the mushroom body can be placed in the modified atmosphere packaging bag. Similarly, the mushroom body is layered by two layers of wood pulp paper , then vacuumize and inject fresh air, and finally put the modified atmosphere packaging bag in the environment of 2~4℃ for low-temperature storage, and in this low-temperature environment, the tea tree mushroom can be stored for 30 days, and on the 30th day, the tea tree mushroom The weight loss rate reaches 6.3%, and the rot rate is 3.8%, which ensures the good quality of tea tree mushroom, and can meet the long-distance transportation of tea tree mushroom from the production base to the low-production area of ​​tea tree mushroom, and achieve the purpose of extending the shelf life of tea tree mushroom.

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Abstract

The invention discloses a modified atmosphere fresh-keeping method for agrocybe cylindracea, which is implemented through the steps of selecting, sterilizing, boxing, modified atmosphere fresh-keeping, storage, and the like. According to the method, the quality change of stored agrocybe cylindracea is restrained, the weight loss ratio and corrosion rate of agrocybe cylindracea are reduced, and the quality guarantee period (6-7 days) of agrocybe cylindracea at present is prolonged to about 30 days, namely, the shelf life of agrocybe cylindracea is prolonged, so that the agrocybe cylindracea achieves maximum economic benefits.

Description

technical field [0001] The invention relates to the field of fresh-keeping and storage of fungi, in particular to a modified-atmosphere preservation method for tea tree mushrooms. Background technique [0002] Tea tree mushroom is delicious, crisp and delicious, and rich in nutrition. It is an edible fungus that people like to eat. However, tea tree mushrooms are difficult to store and transport under normal conditions. 2-3 days after fresh mushrooms are harvested, the mushroom body will shrink due to a large amount of water loss, and the mushroom stalks and gills will start to brown until they rot; A large number of fresh mushrooms are concentrated in the market near the mushroom production base during the peak period of mushrooms. While the market situation of oversupply of mushrooms is caused, the price of tea tree mushrooms will drop sharply, which seriously damages the interests of mushroom farmers and restricts the growth of tea tree mushrooms. development, and in are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/148A23B7/04
Inventor 张正周郑旗李娟郭奇亮樊雪飞涂杰刘佳冯俊张驰松姚瑞玲
Owner CHENGDU ACAD OF AGRI & FORESTRY SCI
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