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New use of tremella heteropolysaccharide or its extract

A technology of heteropolysaccharides and extracts, applied in the field of heteropolysaccharides

Active Publication Date: 2007-03-21
SHANGHAI HUIWEN BIO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

So far, there is no relevant report that tremella heteropolysaccharides can protect the damaged gastric mucosa

Method used

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  • New use of tremella heteropolysaccharide or its extract

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Soak the dried white fungus fruit body in water, after swelling, remove the yellow-brown base and clean it; put the washed raw material into an extraction tank, add water 100 times that of the dry material, stir and extract at 100°C for 4 hours, Then filter, and the supernatant finally passes through a filter with a pore size of 0.1-1 μm; under uniform stirring, fully mix the filtrate and ethanol, so that the final concentration of ethanol in the mixed liquid is 85%, collect the precipitate, dehydrate with pure ethanol, and collect Precipitation; Freeze-drying at -40°C and crushing to obtain Tremella heteropolysaccharide extract. The product yield is 20% (in terms of dry white fungus weight).

Embodiment 2

[0035] Remove the yellow-brown base of fresh-keeping and refrigerated white fungus and clean it; put the washed raw material into the extraction tank, add water 15 times that of the fresh material, stir and extract at 100°C for 4 hours, then filter, and the clear liquid is finally Pass through a filter with a pore size of 0.1-1 μm; the filtrate is heated and concentrated to obtain a concentrated solution; under uniform stirring, the filtrate and ethanol are fully mixed so that the final concentration of ethanol in the mixed liquid is 85%, and the precipitate is collected. Dehydrate and decolorize with ethanol, collect the precipitate; dry with hot air at 80°C, and pulverize to obtain Tremella heteropolysaccharide extract. The product yield is 2.1% (by weight of fresh white fungus).

Embodiment 3

[0037] The tremella fermented liquid obtained by microbial fermentation was heated at 100°C for 0.5h, filtered conventionally, the filter residue was discarded, and the clear liquid finally passed through a filter with a pore size of 0.1-1 μm; under uniform stirring, the filtrate and ethanol were fully mixed to make The final concentration of ethanol in the mixed liquid was 85%, and the precipitate was collected, dehydrated and decolorized with 100% ethanol, and the precipitate was collected; freeze-dried at -40°C, and pulverized to obtain Tremella heteropolysaccharide extract. The product yield is 0.55% (calculated by fermentation broth weight).

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Abstract

The present invention discloses the use of tremella heteropolysaccharide or its extract in preparing medicine, food, beverage and health product for protecting or repairing gastric mucous membrane.

Description

technical field [0001] The present invention relates to the application of a heteropolysaccharide, in particular to the application of a tremella heteropolysaccharide or its extract in protecting or repairing gastric mucosa. Background technique [0002] Tremella faciformis Berk (Tremella faciformis Berk), also known as white fungus, mulberry goose, "Qing Yi Lu". It belongs to Tremellales (Tremellales), Tremellaceae (Tremellacease), Tremella (Tremella). It has the effects of nourishing yin and moistening the lungs, replenishing qi and blood. Tremella heteropolysaccharide is an acidic heteropolysaccharide extracted from Tremella fungus fruiting body (or its microbial fermentation liquid). Since ancient times, China has called Tremella a high-grade tonic and medicine, and the best product for both medicine and food is the first-class tonic food in the palace. [0003] With the continuous development of science and the continuous improvement of technical means, people have a...

Claims

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Application Information

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IPC IPC(8): A61K31/715A23L1/00C08B37/00A61P1/04
CPCA61K36/06A61K31/715A61P1/04
Inventor 刘桂云骆峰骆滨
Owner SHANGHAI HUIWEN BIO TECH
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