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Method for preparing elaeagnus angustifolia gum polysaccharide

The technology of jujube gum and jujube gum is applied in the directions of skin care preparations, pharmaceutical formulations, cosmetic preparations, etc., and can solve the problems of difficult implementation and high viscosity.

Active Publication Date: 2016-06-01
XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] Jujube gum is rich in polysaccharides. Due to its high viscosity, the operation of polysaccharide extraction is not easy to implement
At present, there is no report on the technological route of extracting polysaccharides from Eleuthero jujube gum in China

Method used

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  • Method for preparing elaeagnus angustifolia gum polysaccharide
  • Method for preparing elaeagnus angustifolia gum polysaccharide
  • Method for preparing elaeagnus angustifolia gum polysaccharide

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] a. Collect jujube gum from August to September every summer, and 100 grams of the collected jujube gum is naturally dried in the shade and then crushed by a stainless steel shaking screw-type small pulverizer. The crushing time is 60 seconds, and a circular stainless steel mesh is used. Sieve 100 meshes to separate impurities to obtain gum powder;

[0036] b, the gum powder obtained in the step a is configured with distilled water as a gum solution with a concentration of 0.1%;

[0037]C, the gum solution in step b is heated and dissolved gum on the electric heating mantle, and under the state of insulation, centrifugal 2 minutes with the speed of 1000r / min rotation, separate and remove mechanical impurities and organic impurities, obtain gum solution for subsequent use;

[0038] d. The gum solution in step c is heated to a temperature of 80° C., and the hydrochloric acid with a volume concentration of 8% is added dropwise with stirring, and then treated with hydrogen p...

Embodiment 2

[0041] a. Collect jujube gum every summer from August to September. After the collected 100 grams of jujube gum is naturally dried in the shade, it is crushed with a stainless steel shaking screw type small pulverizer. The crushing time is 80 seconds. The mesh screen is filtered with 200 meshes, and the sundries are separated to obtain gum powder;

[0042] b, the gum powder obtained in the step a is configured with distilled water and is a gum solution with a concentration of 2%;

[0043] C, the gum solution in the step b is heated to dissolve the gum on the electric heating mantle, and under the state of insulation, centrifugal 3 minutes at a speed of 5000r / min, separate and remove mechanical impurities and organic impurities, and obtain the gum solution for subsequent use;

[0044] d. The gum solution in step c is heated to a temperature of 80° C., and the hydrochloric acid with a concentration of 8% is added dropwise with stirring, and then treated with a volume concentrati...

Embodiment 3

[0047] a. Collect jujube gum every summer from August to September. After the collected 100 grams of jujube gum is naturally dried in the shade, it is crushed with a stainless steel shaking screw type small pulverizer. The crushing time is 100 seconds, and round stainless steel is used. The mesh screen is filtered with 300 meshes, and the sundries are separated to obtain gum powder;

[0048] b, the gum powder obtained in the step a is configured with distilled water to be a gum solution with a volume concentration of 3%;

[0049] C, the gum solution in the step b is heated to dissolve the gum on the electric heating mantle, and under the state of heat preservation, the speed of 8000r / min is centrifuged for 6 minutes, and the mechanical impurities and organic impurities are separated and removed, and the gum solution is obtained for subsequent use;

[0050] d. The gum solution in step c is heated to a temperature of 80° C., and the hydrochloric acid with a concentration of 10% ...

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Abstract

The invention relates to a method for preparing elaeagnus angustifolia gum polysaccharide.According to the method, elaeagnus angustifolia gum collected in summer is dried naturally, smashed mechanically and sieved so that impurities can be separated out, a gum water solution is prepared, heating, temperature keeping, centrifugal separating, reheating, stirring and hydrochloric acid adding in a dropwise mode are conducted, acetone is added after hydrogen peroxide processing to obtain precipitate, the precipitate is flushed with acetone and filtered to obtain polysaccharide precipitate, low-temperature or vacuum drying or freeze drying is conducted on the polysaccharide precipitate, filtering and smashing are conducted, and white elaeagnus angustifolia gum polysaccharide powder is obtained.By means of the method, the yield of the total polysaccharide obtained through extraction reaches 90% or above, very good water solubility is achieved, and the water solution has very good light transmittance and high-strength viscosity; the physicochemical property of the elaeagnus angustifolia gum polysaccharide is retained; meanwhile, to a certain degree, the method provides a scientific basis for analyzing the material base of the hair care cosmetic secrete recipe elaeagnus angustifolia gum used in traditional folk in SinKiang.

Description

technical field [0001] The invention relates to a preparation method of jujube gum polysaccharide. Background technique: [0002] Elaeagnusangustifolia L. and E.oxycarpa Schlecht. are plants of the genus Elaeaceae, which grow in semi-arid, arid, semi-desert and desert areas, and are "treasure trees" in the desert. It is distributed in the United States, Canada, the Mediterranean coast, Iran, West Asia, and India. Xinjiang, Qinghai, Gansu, western Inner Mongolia, and Ningxia have large growing areas and high yields in China. They are also distributed in some provinces in Hebei, Henan and Northeast China. Statistics show that the total area of ​​jujube forest in my country is about 2 million mu. Sand jujube is an economical tree species that integrates multiple functions. It has health effects such as "strength, sedative, stomachic, antidiarrheal and diuretic". Currently widely used in food, medicine, paper, feed, wood, furniture and so on. [0003] Jujube gum is the dried ...

Claims

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Application Information

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IPC IPC(8): C08B37/00A61K8/73A61Q19/00A61Q5/12A61Q5/06
CPCA61K8/73A61Q5/06A61Q5/12A61Q19/00C08B37/00C08B37/0003
Inventor 阿吉艾克拜尔·艾萨王国平阿布力米提·伊力奥利姆·阿布都拉耶夫
Owner XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
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