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Preparation method of oat beta-glucan aqueous solution applied to cosmetics

A glucan and aqueous solution technology, applied in the field of preparation of oat beta-glucan aqueous solution, can solve problems such as increased production cost, easy precipitation, poor stability, etc., to reduce the content of impurities such as starch, improve extraction rate, and improve The effect of clarity

Pending Publication Date: 2021-07-30
江西凯泰食品科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the existing technology, ethanol or ammonium salts are basically used in the extraction process, which will increase the difficulty of subsequent processing and recycling, resulting in increased production costs, and will also have an impact on the environment, increasing the cost of environmental protection treatment
Moreover, in the prior art, the extraction methods are all aimed at the extraction of solid oat β-glucan, and the oat β-glucan used in cosmetics is liquid oat β-glucan. Solid oat β-glucan is dissolved to obtain an oat β-glucan aqueous solution, which often has the problems of poor clarity, poor stability, and easy precipitation. Therefore, how to prepare an oat β-glucan aqueous solution for cosmetics is a basic The technical problem to be solved by the invention

Method used

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  • Preparation method of oat beta-glucan aqueous solution applied to cosmetics
  • Preparation method of oat beta-glucan aqueous solution applied to cosmetics

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A method of preparing an oatmeal β-dextran applied to cosmetics, including the following steps:

[0028] S1, stirring the cold water of oat bran and 5 ° C to stir the mixture ratio of 1 g: 4 mL, filter collect the filter residue, the filter residue repeats is cleaned with cold water 3, and the starch impurities are removed.

[0029]S2, add 12 times mass of water to filter residue, stir it to 40 ° C, add 0.1% protease of oat bran mass for enzymatic, enzymatic solution for 45 minutes;

[0030] After the end of the enzymatic solution, the enzyme solution continued to 90 ° C, and the heat extraction was carried out, and in particular, it was carried out to stir the enzymatic hydrolyzate to dissolve the glucan from bran, and extracted for 2 hours;

[0031] S4, extract the end post-adjusted equal electricity point, specifically, the reaction liquid is adjusted with phosphoric acid to adjust the pH of 4.5, and the protein is precipitated, centrifuged, and the liquid is filtered by...

Embodiment 2

[0033] A method of preparing an oatmeal β-dextran applied to cosmetics, including the following steps:

[0034] S1, stirring the cold water of oat bran and 7 ° C to stir the mixture ratio of 1 g: 5 mL, filter collect the filter residue, the filter residue is repeated with cold water 2, and the starch impurities are removed.

[0035] S2, add 13 times mass of water to filter residue, stir it to 45 ° C, add 0.2% protease of oat bran mass of 0.2% by enzymatic solution, enzymatic solution 40 minutes;

[0036] After the end of the enzymatic solution, the enzyme solution continued to 91 ° C, and the heat extraction was carried out, and it is specifically comprised that the enzymatic hydrolyzate is stirred and heated to dissolve the glucan from bran, and extract 1.8 hours;

[0037] S4, extract the end post-adjusted equal electricity point, specifically, the reaction liquid is adjusted with phosphoric acid to adjust the pH of 4.5, and the protein is precipitated, centrifuged, and the liqui...

Embodiment 3

[0039] A method of preparing an oatmeal β-dextran applied to cosmetics, including the following steps:

[0040] S1, stirring the cold water of oat bran and 10 ° C to stir the mixture ratio 1 g: 6 mL, filter collect the filter residue, the filter residue repeats is cleaned with cold water 4 times, and the starch impurities are removed.

[0041] S2, add 14 times mass of water to filter residue, stir it to 50 ° C, add 0.3% protease of oat bran mass of 0.3%, enzymatic solution for 37 minutes;

[0042] After the end of the enzymatic solution, the enzyme solution continued to 92 ° C, and the heat extraction was carried out, and it is specifically comprised that the enzymatic hydrolyzate is stirred and heated to dissolve the glucan from bran, extracting 1.5 hours;

[0043] S4, extract the end post-adjusted equal electricity point, specifically, the reaction liquid is adjusted with phosphoric acid to adjust the pH of 4.5, and the protein is precipitated, centrifuged, and the liquid is fil...

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Abstract

The invention discloses a preparation method of an oat beta-glucan aqueous solution applied to cosmetics, wherein the preparation method comprises the steps: stirring and mixing oat bran with cold water at the temperature of 5-15 DEG C, filtering and collecting filter residues, and repeatedly washing the filter residues with cold water to remove starch impurities; adding water into the filter residues, stirring and heating to 40-60 DEG C, and adding protease into the filter residues for enzymolysis; after the enzymolysis is finished, continuously heating the enzymatic hydrolysate to 90-95 DEG C, and carrying out heat extraction; adjusting an isoelectric point after the extraction is finished, centrifugally collecting clear liquid, and filtering the clear liquid by using an ultrafiltration membrane; and blending with deionized water to obtain the oat beta-glucan aqueous solution. The oat beta-glucan aqueous solution has the beneficial effects that the oat beta-glucan aqueous solution is good in viscosity, good in stability and good in skin feeling, the problems of poor clarity, poor stability and easiness in precipitation of the glucan aqueous solution obtained by dissolving a solid glucan product in the prior art are solved, the use of ethanol, ammonium salt and the like is avoided in the extraction process, the cost is reduced, and the method is environment-friendly.

Description

Technical field [0001] The present invention relates to a technique for extracting oat bran from oat bran, and is specifically involved in a preparation method of oatmeal β-dextan aqueous solutions for cosmetic. Background technique [0002] Β- (1 → 3, 1 → 4) Gluminum is referred to as oaton β-dextran, is a non-starch polysaccharide present in oatly embryo and paste powder layer cell wall, also belongs to a polymer polymer. Its composition monomer is β-D-gyranol glucose, and the connection type is β- (1 → 3) and β- (1 → 4) glycosidism. The distribution of β- (1 → 3) and β- (1 → 4) glycoside is a non-uniform state, mainly β- (1 → 4) glucan fiber triose or fiber tetra sugar, oat β-Portuguese There are 1 β- (1 → 3) glycoside link between 1-3 β- (1 → 4) glycosidism in glycosidial bonds, with a long chain β- (1 → 4) glycoside linkage. The case of interval 1 β- (1 → 3) glycosid key accounts for about 15%, and its length may have 4, 5 or 8 glucose residues. A linear-free polysaccharide ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/02
CPCC08B37/0024C08B37/0003
Inventor 高展炬李官华李成福
Owner 江西凯泰食品科技有限公司
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