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Flash-evaporation sterilization method used for industrialization culture of grifola frondosa

A technology of frondosa frondosa and flash steaming, which is applied in the cultivation of medicinal fungi, food, and agricultural fields to achieve the effect of reducing costs and shortening production time

Inactive Publication Date: 2012-09-19
JIANGSU XUE FU BIOLOGICAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

2. The disinfection time of flash sterilization is only about 10 seconds

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1: Use 1000 kg of raw materials, extrude and expand through a twin-screw extruder at 150-170° C. to obtain pellet-shaped compost. The material of the twin-screw extrusion extruder has 10 seconds in the high-temperature pipeline to achieve the disinfection effect. Its water cooling system can reduce the material temperature to about 85°C. Cool under GMP conditions to make the temperature below 25°C, fully mix with liquid bacteria, the ratio of material to water is 100:150, fill in plastic bottle containers and glass bottle containers, add 0.5 kg of mixed compost to each container, and seal it . After the surface of the compost is covered with hyphae, increase the ventilation. Manage according to known cultivation techniques. Thereby, obtain fruit body, become frondosa commodity.

Embodiment 2

[0023] Embodiment 2: use 500 kilograms of raw materials, ammonium citrate, 0.1 kilogram of potassium salt, 0.05 kilogram of magnesium sulfate, 0.5 kilogram of calcium carbonate and the trace element selenium of 0.6g. After mixing, it is extruded and expanded by a twin-screw extruder to obtain granular compost. Cool to bring the temperature below 25°C for inoculation. Fully mixed with liquid Grifola frondosa strains, the ratio of material to water is 100:120. The molding steps in the molding production process are: the container first enters the sleeve groove, then fills, rolls and forms, exits the groove, adds a cover, and adds to each container 0.5 kg of mixed compost, sealed, put on shelves, cultivated, and produced Grifola frondosa.

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Abstract

The invention belongs to and relates to the technical field of agriculture and particularly relates to the technical field of edible and medical fungus culture. Grifola frondosa is artificially cultured in China and Japan. In production, the grifola frondosa needs to be preprocessed in a cooking sterilization method which has the disadvantages of large energy consumption and long time. A flash-evaporation sterilization method disclosed by the invention is characterized in that according to a compost sterilization technology different from the conventional technology, a procedure of flash-evaporation sterilization is directly performed on raw medium materials at 150 to 170 DEG C; the disinfection time of the flash-evaporation sterilization is only about 10 seconds; according to the method, the raw medium materials are cooled, and grifola frondosa strains are directly inoculated after the raw materials are cooled; and as a culture container does not need to be sterilized at a high temperature, the production technology is simplified, the production time is shortened, and thus a new culture technology for energy-saving and low-carbon production is achieved.

Description

Technical field: [0001] The invention belongs to the technical field of agriculture, especially the technical field of cultivation of edible and medicinal fungi. Background technique [0002] Grifola frondosa is a fungus with both food and medicine, also known as leaf polypore (Chinese name), cloud mushroom, thousand Buddha bacteria (Sichuan), lotus mushroom (Fujian), maitake (Japan) and so on. It is a rare food and medicine dual-purpose fungus, which often grows wild around chestnut trees in summer and autumn. The short fruiting stalks are coral-like branches, overlapping into clumps. Its appearance is graceful and cascading like chrysanthemums; its smell and fragrance are overflowing, refreshing; Health care and high medicinal value. In recent years, as a high-grade health food, it has become popular in Japan, Singapore and other markets. Especially Grifola frondosa polysaccharide has a wide range of uses. [0003] In the production of artificial culture, the method of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/04A01G31/02A61L2/04
CPCY02P60/21
Inventor 陈顺志
Owner JIANGSU XUE FU BIOLOGICAL ENG
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