Cordyceps militaris peanut and preparing method thereof

A technology of Cordyceps militaris and peanuts, which can be applied to botany equipment and methods, fertilizer mixtures, gardening, etc., and can solve problems that have not been reported before

Active Publication Date: 2013-08-07
QINGDAO AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] At present, there is no report on the biotransformation of peanuts with Cordyceps militaris, that is, the production of cordycepin in the solid fermentation of peanuts.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1) Peanut soaking

[0023] Weigh 250 g of peanuts of Huayu No. 23 variety, add 500 g of water, and soak them at room temperature for 12 hours, so that the moisture content of the soaked peanuts is controlled within the range of 100-120%.

[0024] 2) Sterilization

[0025] After the soaked peanuts were drained, they were divided into conical flasks, covered with stoppers, sterilized at a temperature of 121°C for 30 minutes, and then inoculated after cooling.

[0026] 3) Slant culture of Cordyceps militaris strains

[0027] The preserved Cordyceps militaris strain is inoculated on the slant medium, and cultivated for 7 to 9 days at a temperature of 23 ° C. The composition of the slant medium is: potato 18-22%, glucose 1-3%, peptone 0.1% ~1.0%, potassium dihydrogen phosphate 0.1~0.5%, magnesium sulfate 0.1~0.3%, vitamin B 1 0.008~ 0.02%, agar 1-3%. A specific formula is as follows: potato 20%, glucose 2%, peptone 0.5%, potassium dihydrogen phosphate 0.3%, magnesium...

Embodiment 2

[0047] 1) Peanut soaking

[0048] Weigh 250 g of peanuts of Huayu No. 23 variety, add water at a ratio of 1:2 to 1:5, and soak them at room temperature for 10 to 16 hours to control the water content of peanuts at 100 to 120%.

[0049] 2) Peanut cellulase treatment

[0050] Drain the soaked peanuts, put them into a conical flask, add citric acid-disodium hydrogen phosphate buffer at a ratio of 1:3 to 5, and carry out cellulase treatment at 50°C for 1 to 3 hours. The amount of enzyme is 8000-12000U / g peanuts, rinsed with running water for 10-20 minutes, drained, and dried in a dry place for 5-8 hours. Cellulase is derived from green wood enzyme, and its activity is 11000U / mg.

[0051] 3) Sterilization

[0052] Peeled peanut granules of mesh 10 to 15 were divided into triangular flasks, covered with stoppers, sterilized at 121°C for 30 minutes, and then inoculated after cooling.

[0053] 4) Slant culture of Cordyceps militaris strains

[0054] The preserved Cordyceps milita...

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PUM

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Abstract

The invention relates to a cordyceps militaris peanut which is prepared by soaking a peanut into water, sterilizing the soaked peanut, cooling the peanut, placing the peanut into cordyceps militaris seed solution for fermental cultivation, and conducting drying after fermentation to obtain the cordyceps militaris peanut. The seed coat of the peanut has proper inbibitional effects on the cordyceps militaris when the cordyceps militaris is in biological transformation in the peanut. Therefore, by peeling the soaked peanut, the content of the fermented cordyceps militaris can be improved. Further, even inoculation area is enlarged, and biological transformation amount of cordyceps taishanensis of the cordyceps militaris can be improved. Through cellulose treatment, the peeling rate of the soaked peanut is improved, and the cordyceps militaris transformation amount of the cordyceps militaris in the peanut is improved.

Description

technical field [0001] The invention belongs to the technical field of food preparation, and particularly relates to a Cordyceps militaris peanut and a preparation method thereof. Background technique [0002] Cordyceps militaris (Cordyceps militaris) is a species of Ascomycetes, Sclerotinia, Hypomycetes, Ergotaceae, and Cordyceps genus. Because it has the same medicinal and nourishing functions as Cordyceps sinensis, and it is easier to artificially cultivate than Cordyceps sinensis, Cordyceps militaris is selected as the best substitute for Cordyceps sinensis for a large number of artificial cultivation, and has been used as a new resource food and a new type of medicine. Approved by the Ministry of Health and the State Food and Drug Administration to enter the market. [0003] The active ingredients of Cordyceps militaris include cordycepin, adenosine, cordycepin polysaccharide and cordycepic acid, among which the research on cordycepin has become the focus of domestic a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/04C05G1/00
Inventor 朴美子王莹程凡升郭芳言
Owner QINGDAO AGRI UNIV
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