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A kind of sterilization method of edible mushroom cultivation material

A sterilization method and technology for cultivation materials, which are applied in directions such as heating, can solve the problems of long sealing fermentation time, consumption of nutrients, and high production cost, and achieve the effects of good sterilization effect, simple treatment method and reduced production cost.

Active Publication Date: 2015-12-30
湖南芝草农业科技开发股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, it also inhibits the mycelial growth of edible fungi
In addition, this method has strict requirements on the length, width and height of the container, and has high requirements on the sealing of the four walls, top cover and door of the fermentation room.
The sealed fermentation time is long, and the long sterilization time will in turn consume a lot of nutrients in the cultivation material, resulting in low yield. Therefore, the overall production cost is still high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The sterilization of embodiment 1 Armillaria armillaria cultivation material.

[0017] 1. Place the bagged Armillaria cultivation material in the sterilization room to form a 4-layer cultivation material wall, and the distance between the walls is 5cm.

[0018] 2. After the sterilization room is full, close the door and open the upper and lower transoms of the sterilization room.

[0019] 3. When the temperature in the sterilization room rises to 60°C, close the upper and lower air windows of the sterilization room. Keep warm for 20 hours.

[0020] 4. Open the transoms at the upper and lower parts of the sterilization room to cool down the cultivation material to 30°C, and transfer the sterilized Armillaria cultivation material into the inoculation room for inoculation.

Embodiment 2

[0021] The sterilization of embodiment 2 shiitake mushroom cultivation materials.

[0022] 1. Place the bagged mushroom cultivation material in the sterilization room to form a 6-layer cultivation material wall, and the distance between the walls is 10cm.

[0023] 2. After the sterilization room is full, close the door and open the upper and lower transoms of the sterilization room.

[0024] 3. When the temperature in the sterilization room rises to 60°C, close the upper and lower air windows of the sterilization room. Keep warm for 15 hours.

[0025] 4. Open the air windows on the upper and lower parts of the sterilization room to cool down the cultivation material to 30°C.

[0026] 5. After cooling down for 24 hours, use electric heating to raise the temperature in the sterilization room to 100°C and keep it warm for 1 hour. Lower the temperature to below 30°C and transfer the sterilized shiitake mushroom cultivation material to the inoculation room for inoculation operat...

Embodiment 3

[0027] Embodiment 3 The sterilization of the mushroom cultivation material.

[0028] 1. Place the edible fungus cultivation material in bags or bottles in the sterilization room to form an 8-layer cultivation material wall, and the distance between the walls is 12cm.

[0029] 2. After the sterilization room is full, close the door and open the upper and lower transoms of the sterilization room.

[0030] 3. When the temperature in the sterilization room rises to 60°C, close the upper and lower air windows of the sterilization room. Keep warm for 10 hours.

[0031] 4. Open the air windows at the upper and lower parts of the sterilization room to cool down the cultivation material to below 30°C.

[0032] 5. After cooling down for 24 hours, use steam heating to raise the temperature in the sterilization room to 100°C and keep it warm for 3 hours. Lower the temperature to below 30°C and transfer the sterilized Pleurotus edodes cultivation material to the inoculation room for ino...

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Abstract

The invention relates to a sterilization method for edible fungi cultivation materials and belongs to the technical field of cultivation of edible fungi. The sterilization method comprises the following steps: putting bagged or bottled edible fungi cultivation materials into a sterilization room to form a cultivation material wall; closing a room door and opening air windows on the upper part and the lower part of the sterilization room; when the temperature in the sterilization room is raised to 60 DEG C, closing the air windows on the upper part and the lower part of the sterilization room; keeping the heat for 4-20 hours; and opening the air windows on the upper part and the lower part of the sterilization room, cooling the cultivation materials to be lower than 30 DEG C and carrying out inoculation operation. According to the sterilization method for the edible fungi cultivation materials, biological heat generated in a fermentation process of the cultivation materials is used for accumulating the heat and raising the temperature; meanwhile, electrical heating or steam heating is assisted to realize the sterilization effect.

Description

technical field [0001] The invention relates to a method for sterilizing edible fungus cultivation material and belongs to the technical field of edible fungi cultivation. Background technique [0002] In the process of cultivating edible fungi, mold pollution has always been a major problem in the production of edible fungi in the world, causing headaches for many biologists and edible grape producers at home and abroad. In the prior art, people usually have two ways to deal with edible fungus cultivation materials: one is the steaming method, that is, the cultivation materials are placed in a special steamer, and the materials are steamed by artificial fire, and the temperature in the pot changes. After reaching 100°C, maintain it for 8-10 hours, and use high-pressure steam to sterilize the cultivation shaker. The disadvantage of this method is that it wastes energy, pollutes the environment, and requires inoculation under aseptic conditions after sterilization. Due to t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61L2/04A61L2/07
Inventor 杨德俊
Owner 湖南芝草农业科技开发股份有限公司