Method for extracting auricularia auricula polysaccharides

A technology of black fungus polysaccharide and extraction method, which is applied in the field of black fungus polysaccharide extraction, can solve the problem that the added value of product processing is less than 10%, and achieve the effects of increasing added value of processing, simple and convenient extraction method, and improving economic benefits

Inactive Publication Date: 2010-06-16
叶挺梅
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In 2004, the output of fresh black fungus in Lishui reached more than 40,000 tons. It is one of the main sources of income for farmers in Jingning County, Longquan City, and Qingyuan County. The resources are very rich, but the added value of its products is less than 10%.
However, there is no relevant report on the method for proposing the black fungus polysaccharide

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0023] Embodiment: a kind of extraction method of black fungus polysaccharide, comprises following technology:

[0024] 1. Black fungus 5g, crushed, add 450g of water, soak for 30 minutes;

[0025] 2. Add a compound hydrolase with a mass percentage concentration of 2%, react for 30 minutes, and keep the reaction temperature at 50 degrees Celsius. The compound hydrolase contains cellulase and pectinase, and each gram of cellulase contains 40,000 enzyme activity units. Gluease contains 20,000 enzyme activity units;

[0026] 3. Then add papain with a mass percentage concentration of 1.25% to react for 90 minutes, and keep the reaction temperature at 50 degrees Celsius; wherein each gram of papain contains 250,000 enzyme activity units;

[0027] 4. Then inactivate the enzyme in a water bath at 90 degrees Celsius, and extract for 1.5 hours to obtain the extract;

[0028] 5. Take the black fungus extract in the above step 4, centrifuge for 10 minutes in a centrifuge, remove the pr...

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PUM

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Abstract

The invention relates to a method for extracting auricularia auricula polysaccharides, which comprises the following processes: soaking; adding complex enzyme and prolease, and extracting; taking supernate through centrifuging; obtaining a crude product through ethanol precipiration; refining the crude product, and the like. The extracting method is simple and convenient; and the extracted auricularia auricula polysaccharides contain three polysaccharides, namely crude polysaccharide (FA), acid polysaccharide (FA-A) and neutral polysaccharide (FA-N). The extracted auricularia auricula polysaccharides are prepared into proper medicaments for resisting ischemic cardiovascular and cerebrovascular diseases clinically, are favorable for further developing medicaments and foods related to the auricularia auricula polysaccharides, improve processing added value of black fungus and greatly improve the economic benefit of the black fungus.

Description

technical field [0001] The invention relates to a method for extracting black fungus polysaccharide. Background technique [0002] Black fungus has another name called wood moth, also known as wood chicken and tree chicken. It is one of the main varieties of edible fungi and has high nutritional value. Black fungus also has high medicinal effect except the edible in people's life. Li Shizhen in the Ming Dynasty recorded in "Compendium of Materia Medica" that black fungus "benefits Qi and not hungry, makes light of body and strengthens will, breaks valleys to treat hemorrhoids", which shows that black fungus has effects such as cooling blood, promoting blood circulation, benefiting Qi and strengthening body. Black fungus is rich in colloid, which has a good smoothing effect on the digestive system. With the gradual deepening of people's understanding of the medicinal value of black fungus, it is found that black fungus has a wide range of biological activities, and its effe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12P19/14
Inventor 叶挺梅
Owner 叶挺梅
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