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Black fungus selenium-rich culture medium and method for producing black fungi thereof

A technology of black fungus and culture medium, applied in the field of black fungus liquid fermentation medium and its use of liquid strain technology to produce black fungus, can solve the problems of low nutritional content of products, long culture period, low efficiency, etc., and achieve the goal of improving selenium The effect of content, easy source and simple process

Inactive Publication Date: 2017-01-11
井冈山井祥菌草生态科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] In order to solve the problems of low efficiency, high cost, long cultivation period and low nutritional content of the product in the black fungus production method in the prior art, the present invention provides a black fungus production method with high production efficiency, low cost and rich nutrition

Method used

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  • Black fungus selenium-rich culture medium and method for producing black fungi thereof
  • Black fungus selenium-rich culture medium and method for producing black fungi thereof
  • Black fungus selenium-rich culture medium and method for producing black fungi thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Preparation of liquid selenium-enriched strains: add 2.5% potato flour, 3.0% bran flour, 3.5% corn flour, 0.7% sugar, 0.3% glucose, 5mg / kg sodium selenite, and 100g potassium dihydrogen phosphate to the fermenter , magnesium sulfate 50g, water 100L, canning, sterilizing, cooling, injecting 1000mL of black fungus bottle liquid stock under aseptic conditions, the inoculum volume is 2% by volume; the fermentation temperature is 23±2°C, ventilated The volume is 105±5m 3 / h, the initial pH value is 7.0, fermented for 6 days, and the obtained black fungus industrial production liquid selenium-enriched strain;

[0053] Solid selenium-enriched medium: material preparation: by weight percentage, weigh 8,700g of sawdust, 1,000g of selenium-enriched Juncao, 200g of wheat bran, and 100g of gypsum, and set aside; add 350g of fresh soybean oil, bag, sterilize, and cool to obtain solid-enriched Selenium medium;

[0054] Inoculation and cultivation: the liquid selenium-enriched strai...

Embodiment 2

[0056] Preparation of liquid selenium-enriched strains: add 2.5% potato flour, 3.0% bran flour, 3.5% corn flour, 0.7% sugar, 0.3% glucose, 5mg / kg sodium selenite, and 100g potassium dihydrogen phosphate to the fermenter , magnesium sulfate 50g, water 100L, canning, sterilizing, cooling, injecting 1000mL of black fungus bottle liquid stock under aseptic conditions, the inoculum volume is 2% by volume; the fermentation temperature is 23±2°C, ventilated The volume is 105±5m 3 / h, the initial pH value is 7.0, fermented for 6 days, and the obtained black fungus industrial production liquid selenium-enriched strain;

[0057] Solid selenium-enriched medium: material preparation: by weight percentage, weigh 8200g of sawdust, 1500g of selenium-enriched Juncao, 200g of wheat bran, and 100g of gypsum, and set aside; add 350g of fresh soybean oil, bag, sterilize, and cool to obtain solid rich Selenium medium;

[0058] Inoculation and cultivation: the liquid selenium-enriched strains are...

Embodiment 3

[0060] Preparation of liquid selenium-enriched strains: add 2.5% potato flour, 3.0% bran flour, 3.5% corn flour, 0.7% sugar, 0.3% glucose, 5mg / kg sodium selenite, and 100g potassium dihydrogen phosphate to the fermenter , magnesium sulfate 50g, water 100L, canning, sterilizing, cooling, injecting 1000mL of black fungus bottle liquid stock under aseptic conditions, the inoculum volume is 2% by volume; the fermentation temperature is 23±2°C, ventilated The volume is 105±5m 3 / h, the initial pH value is 7.0, fermented for 6 days, and the obtained black fungus industrial production liquid selenium-enriched strain;

[0061] Solid selenium-enriched medium: material preparation: by weight percentage, weigh 6100g of sawdust, 2300g of selenium-enriched Juncao, 1500g of wheat bran, 100g of gypsum, and set aside; add 350g of fresh soybean oil, bag, sterilize, and cool to obtain solid rich Selenium medium;

[0062] Inoculation and cultivation: the liquid selenium-enriched strains are in...

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Abstract

The invention provides a black fungus selenium-rich culture medium which consists of main raw materials including saw dust, bran, selenium-rich fungus grass and gypsum and further provides a method for producing black fungi by utilizing the black fungus selenium-rich culture medium. A traditional black fungus strain production method is changed, a liquid strain technology is utilized in black fungus strain production to prepare liquid selenium-rich strains, meanwhile the solid selenium-rich culture medium and a secondary selenium-rich method are adopted to make produced black fungi high in selenium content and high in nutritive value. The production efficiency is improved, the production costs are also greatly saved, the production method is simple in process, and the produced stains are high in utilization rate and low in pollution rate.

Description

technical field [0001] The invention belongs to the field of edible fungus production, and in particular relates to a black fungus liquid fermentation medium and a method for producing black fungus using liquid strain technology. Background technique [0002] Fungus, also known as black fungus, light fungus. Mycological classification belongs to Basidiomycetes, Auricularia, Agaricaceae. The color is dark brown, the texture is soft, the taste is delicious, the nutrition is rich, and it can be vegetarian or meat. Has many medicinal effects. Mainly distributed in Heilongjiang, Jilin, Fujian, Jiangsu, Taiwan, Hubei, Guangdong, Guangxi, Sichuan, Guizhou, Yunnan and other places. It grows on the rotting wood of more than 120 kinds of broad-leaved trees such as oak, poplar, banyan, and locust tree, solitary or in groups. [0003] At present, artificial cultivation is mainly made of wood and bag materials. In recent years, the scale of the production base of edible fungi in nort...

Claims

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Application Information

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IPC IPC(8): C05G3/00
CPCC05G3/00C05D3/00C05F5/002C05F11/00
Inventor 金文
Owner 井冈山井祥菌草生态科技股份有限公司
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