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Formula and preparation method of Pleurotus eryngii liquid strain culture medium

A culture medium formula and liquid strain technology, applied in the field of bioengineering, can solve the problems of inability to popularize and use in large quantities, high professional technical requirements for operation, unsuitable mycelium growth, etc., and achieve high yield, good germination rate, and fermentation short cycle effect

Inactive Publication Date: 2012-03-28
SHANGHAI XUERONG BIOTECH
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Problems solved by technology

At present, the existing Pleurotus eryngii liquid strain culture medium and its preparation method have disadvantages such as low preparation success rate, unsuitable mycelial growth, high professional technical requirements for operation, and lack of versatility, so they cannot be widely used in large quantities.

Method used

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  • Formula and preparation method of Pleurotus eryngii liquid strain culture medium
  • Formula and preparation method of Pleurotus eryngii liquid strain culture medium

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Embodiment Construction

[0026] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific diagrams.

[0027] The formula of Pleurotus eryngii liquid culture medium includes raw materials and aqueous solution. The raw materials include the following components by weight: white granulated sugar 1.5%-2.5%, soybean meal powder 0.1%-0.3%, yeast extract powder 0.1%-0.3%, phosphoric acid Potassium dihydrogen 0.05%-0.1%, magnesium sulfate 0.05%-0.1%. The raw materials preferably include the following components by weight: 2% white granulated sugar, 0.2% soybean meal powder, 0.2% yeast extract powder, 0.08% potassium dihydrogen phosphate, 0.07% magnesium sulfate, and 0.1%-0.3% sorghum flour. The present invention adopts the culture medium raw material of above-mentioned components, and raw material source is abundant, and price is cheap, adopts the Pleurotus ...

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Abstract

The invention relates to the biological engineering field, in particular to a culture medium and a preparation method thereof. The Pleurotus eryngii liquid strain culture medium comprises raw materials and an aqueous solution. The raw materials comprise the following components by weight percent: 1.5%-2.5% of white granulated sugar, 0.1%-0.3% of soybean meal powder, 0.1%-0.3% of yeast extract, 0.05%-0.1% of potassium dihydrogen phosphate and 0.05%-0.1% of magnesium sulfate. The preparation method of the Pleurotus eryngii liquid strain culture medium comprises the following steps: preparing a culture medium, adjusting, sterilizing and performing inoculation and culture. By adopting the technical scheme, after the product is used as the culture medium of the Pleurotus eryngii liquid strain, the Pleurotus eryngii mycelium has high growth velocity, strong vitality and high mycelium content; and the inoculated strain has high germination rate, short fermentation period and high yield.

Description

technical field [0001] The invention relates to the field of bioengineering, in particular to a culture medium and a preparation method thereof. Background technique [0002] Pleurotus eryngii has the advantages of thick flesh and crisp texture, especially its dense, firm and milky stipe tissue, which can be eaten entirely, and the stipe is more crispy and refreshing than the cap, so it is called "king of oyster mushrooms". , "Dried Scallop Mushroom", which has almond fragrance and abalone taste, is suitable for fresh-keeping and processing, and is deeply loved by people. [0003] The strains used in the production of Pleurotus eryngii include solid strains and liquid strains. Compared with solid strains, liquid strains have the advantages of low cost, fast growth, and high biotransformation rate, which is the trend of technological innovation in the development of edible fungi industry. The liquid strain mainly depends on absorbing the nutrients of the liquid medium to gro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05G1/00
Inventor 问卓君
Owner SHANGHAI XUERONG BIOTECH
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