Microwave-assisted auricularia auriculajudae polysaccharide extraction preparation method

A black fungus polysaccharide, microwave-assisted technology, applied in the field of microwave-assisted extraction of black fungus polysaccharides, to achieve the effect of improving the extraction rate of polysaccharides and shortening the extraction time

Inactive Publication Date: 2016-07-06
HEILONGJIANG JOHNSUN BIOLOGICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, in the extraction method of black fungus polysaccharide, there are still shortcomings such as long extraction time and low extraction efficiency.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A preparation method for microwave-assisted extraction of black fungus polysaccharides, characterized in that: the main process is: pretreatment of black fungus, fat removal, polysaccharide extraction, concentration, drying, purification, and finished products; the specific operation method follows the following steps in sequence:

[0022] 1. Pretreatment of black fungus:

[0023] Select black fungus with plump and plump flesh, no mildew, no incompleteness, and no insect erosion, dry it with a dryer until the water content is below 20%, and crush it to obtain black fungus fruiting body powder;

[0024] 2. Defat:

[0025] The black fungus fruit body powder prepared above was subjected to Soxhlet extraction with ethyl acetate and acetone for 5 hours to remove fat, and the remaining residue was dried at 40°C;

[0026] 3. Extraction of polysaccharides:

[0027] Add fat-free black fungus powder and extract at a liquid-to-material ratio of 20:1-40:1, microwave...

Embodiment 2

[0033] For the extraction of the polysaccharide in the step 3, add fat-free black fungus powder and extract respectively at a liquid-to-material ratio of 20:1, and extract by microwave for 90 minutes at an extraction temperature of 90°C, with a microwave intensity of 100%, after the extraction is completed Centrifuge and collect the residue, repeat the extraction 3 times, and combine the extracts.

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Abstract

The invention discloses a microwave-assisted auricularia auriculajudae polysaccharide extraction preparation method. The method comprises the steps of auricularia auriculajudae pretreatment, fat removing, polysaccharide extraction, concentration, drying, purification, finished product preparation, and the like. According to the method, extraction is carried out with a combination of a hot water extraction method and a microwave-assisted extraction method. With the method, auricularia auriculajudae polysaccharide can be fully released, such that extraction time is shortened, and polysaccharide extraction rate is improved.

Description

[0001] Technical field: [0002] The invention relates to the technical field of extracting black fungus polysaccharides, in particular to a preparation method for microwave-assisted extraction of black fungus polysaccharides. Background technique [0003] Black fungus belongs to the fungus Basidiomycetes Auricularia and is a favorite food for people. Its texture is tender, crisp and smooth. In addition to rich in protein, vitamins, calcium, phosphorus, copper and other substances, the fruiting body also contains a large amount of Biologically active polysaccharide is an important medicinal and edible fungus. Black fungus not only has high nutritional value, it also has high medicinal value. Medical research has proved that black fungus has the functions of nourishing qi and strengthening the body, nourishing the kidney and nourishing the stomach, and promoting blood circulation. It is an edible fungus with high medicinal value. [0004] my country is the main fungus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/00
Inventor 陈喜军
Owner HEILONGJIANG JOHNSUN BIOLOGICAL ENG CO LTD
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