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Gallnut polysaccharide composite and preparation method thereof

A technology of gallnut and composition is applied in the field of polysaccharide composition and its preparation, which can solve the problems of no utilization, waste of environmental protection treatment costs and the like, and achieve the effect of improving the utilization rate of resources

Inactive Publication Date: 2012-07-25
张家界久瑞健康产业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, only tannic acid and gallic acid are used as products in production, and the polyols with a total amount of about 25% are not only useless, but also cost environmental protection treatment costs; functional components such as gallnut oil and gallnut polysaccharide in raw materials are discarded and unused

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 100g of horns, crush them, pass through a 20-mesh sieve, add 1200ml of purified water, heat to 50°C for reflux extraction for 24 hours, and filter; : 4 times of 95% ethanol ethanol precipitation for 24h, reclaim ethanol, obtain ethanol liquid extract, dry at 60°C for 12h, obtain 8.2g of crude polysaccharides from Galla gallinaceus, the polysaccharide content is about 42.5% through the sulfuric acid-phenol method, and the yield 8.2%.

Embodiment 2

[0019] Take 100g of horns, crush them, pass through a 20-mesh sieve, add 1000ml of purified water, heat to 50°C for reflux extraction for 24 hours, and filter; Pass the porous adsorption resin through the column, elute with distilled water, 10%, 15%, 25%, 35%, and 45% ethanol respectively, collect the eluate in sections, detect the content of polysaccharides, combine similar components, concentrate, and dry to obtain gallnuts Purified polysaccharide 4.8g, the polysaccharide content is about 62.5% as determined by the sulfuric acid-phenol method, the yield is 4.8%.

Embodiment 3

[0021] Take 100g of horns, crush them, pass through a 20-mesh sieve, add 1000ml of purified water, heat to 50°C for reflux extraction for 24 hours, and filter; extract and freeze with ethyl acetate, freeze at 0-5°C for 24 hours, take out the supernatant, and put the precipitate on the Membrane separation, combined polysaccharide fractions, yielded 5.2 g of gallic gall purified polysaccharides, the content of polysaccharides was determined to be about 55.2% by the sulfuric acid-phenol method, and the yield was 5.2%.

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Abstract

The invention relates to a gallnut polysaccharide composite and a preparation method thereof. The preparation method of the gallnut polysaccharide composite comprises the following steps of: carrying out heating reflux and extraction on horned galls, belly galls and gall flowers of gallnuts, and freezing fine filter liquor; depositing frozen depositing liquid with ethanol to obtain ethanol fluid extract; drying to obtain crude gallnut polysaccharides; absorbing and separating the frozen depositing liquid by using macroporous resin; carrying out gradient elution by using an organic solvent; piecewise collecting eluent by membrane separation or polyamide chromatography; and concentrating and drying the eluent to obtain the purified gallnut polysaccharide composite. The invention develops and utilizes the gallnut polysaccharides while extracting the tannin components of the gallnuts, thereby enhancing the utilization rate of gallnut resources; in addition, the yield of the gallnut polysaccharides is as high as 8.7 percent.

Description

technical field [0001] The invention relates to a polysaccharide composition extracted from Galla galla as a raw material and a preparation method thereof. Background technique [0002] Polysaccharides are polymers made up of linked monosaccharides. Polysaccharides are an important part of all living organisms, widely present in the cell walls of animals, plants, and microorganisms, and are another important class of biomolecules in organisms besides nucleic acids and proteins. Scientific research has confirmed that plant polysaccharides have various functions such as enhancing the body's immune function, anti-tumor, anti-virus, anti-aging, anti-mutation, lowering blood fat, lowering blood sugar and stimulating hematopoiesis, and have almost no toxicity to the body. In the past two decades, the research and development of medicinal polysaccharides as health products and drugs has made great progress, such as lentinan, ginseng polysaccharide, astragalus polysaccharide, seawe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/00A23L1/09A23L33/00A23L33/125
Inventor 王文茂汤先赤汤赫李顺祥龚力民张红刚
Owner 张家界久瑞健康产业发展有限公司
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