New strain of high-cellulose Pleurotus djamor

A technology of high cellulose and red pleurotus, which is applied in the direction of fungal products, fertilizer mixtures, botany equipment and methods, etc.

Inactive Publication Date: 2010-09-22
SOUTHWEAT UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the world's dietary fiber is mainly produced from plant-based raw materials, such as bran, soybean cake, straw, bamboo, etc., and there are no literature and patent reports on the production of dietary fiber using large fungal fruiting bodies as raw materials.

Method used

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  • New strain of high-cellulose Pleurotus djamor

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Experimental program
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Embodiment Construction

[0021] (a) Mycelium culture method

[0022] The agar medium used in the present invention is a common fungal medium, such as wheat bran juice sucrose medium, pine needle juice glucose-peptone medium, potato enriched medium and the like.

[0023] After the inoculation of the test tube strains, culture them at 25-30°C, and the time for the mycelium to cover the slope is generally 5-7 days.

[0024] Use a triangular flask or infusion bottle for liquid culture, pack 1 / 3 to 1 / 2 of the total volume of the culture solution, cool and inoculate after sterilization, and the inoculum volume is 1% to 3%. Shaking culture at 25°C, rotation speed 120-150r / m, culture for 7-10 days, mycelium yield is 0.5-1.5g / 100mL, mycelium ball diameter is 0.8-1.5cm, and the fermentation broth is transparent and clear. After 15 days of culture, the mycelium began to autolyze.

[0025] (c) Aseptic fruiting body culture method

[0026] Put the agar medium test tubes, petri dishes, and Erlenmeyer flasks cove...

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Abstract

The invention relates to a new strain of a high-cellulose fungus, belonging to the technical field of development and utilization of cellulose fungus resources. A new strain of high-cellulose Pleurotus djamor (Rumph.:Fr.) Boedijn, is a new strain bred by using a monosporous hybridization breeding technology and has the code of No.1931 in CGMCC. The strain is characterized in that a fruit body is red, glittering and translucent and has the cellulose content of 20-25 percent and poor taste and is produced in high temperature season. A mycelium grows fast relatively and has strong anti-infect strain capacity and developed aerial hyphae. The hypha is in clamp connection and grows at the temperature of 3-45 DEG C; and the fruit body has the differentiation temperature of 18-35 DEG C and is a typical high temperature fungus. The plating raw materials include straws, corncobs, sawdust or basswood, bran, and the like. The planting season is from March to November. Culturing materials produced in batch need no high pressure or normal pressure sterilization, and the fruit body yield is 15-25 percent. The strain is a new bred strain, has market application values in the fields of dietary fiber produced strains and watching funguses, and can also be used for producing fiber biological materials which can absorb and recover heavy metal ions in water and radioactive elements.

Description

(1) Technical field [0001] The invention relates to a new strain of high-cellulose Pleurotus rubrum, belonging to the technical field of development and utilization of cellulose fungus resources. The invention relates to a new artificially selected fungal strain specially used for dietary cellulose production and heavy metal adsorption biological materials. Cellulose produced from fruiting bodies is used in various food additives, including pasta products, beverages, pastries, and other foods, and can also be used to produce fibrous biomaterials: adsorption and recovery of heavy metal ions and radioactive elements in water. (2) Background technology [0002] It is reported in the literature that the moisture content of the natural air-dried dry product of Pleurotus ostreatus is 6.36%; the fat content is 2.63%; the protein content is 24.69%; the acidity is 0.1873%; the total ash content is 9.43%; The content is 17.6%, which contains 7 of the 8 essential amino acids for the h...

Claims

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Application Information

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IPC IPC(8): A01H15/00A01G1/04C05G3/00
Inventor 贺新生侯大斌林琦苏珏竹文坤张婷婷
Owner SOUTHWEAT UNIV OF SCI & TECH
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