The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 21, 2025

Filed:

Aug. 23, 2024
Applicant:

Shanghai Academy of Agricultural Sciences, Shanghai, CN;

Inventors:

Yanfang Liu, Shanghai, CN;

Jia Luo, Shanghai, CN;

Liping Liu, Shanghai, CN;

Jie Feng, Shanghai, CN;

Jingsong Zhang, Shanghai, CN;

Shuai Zhou, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C08L 5/00 (2006.01);
U.S. Cl.
CPC ...
C08B 37/0003 (2013.01); C08B 37/0024 (2013.01); C08L 5/00 (2013.01);
Abstract

A preparation method of apolysaccharide rich in β-glucan includes: (1) extracting thepolysaccharide to obtain a filtrate; (2) concentrating the filtrate to obtain a supernatant; (3) precipitating a crudepolysaccharide from the supernatant using anhydrous ethanol to obtain a first precipitate; and (4) purifying the first precipitate to obtain thepolysaccharide. Thepolysaccharide rich in the β-glucan has stable quality, and its yield, polysaccharide content and β-glucan content are significantly improved compared with water extraction and alcohol precipitation methods in the related art. In vitro pharmacological experiments prove that thepolysaccharide rich in the β-glucan has good anti-inflammatory activity and can be applied to preparation of drugs or health foods.


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