A β-D-glucan isolated from the fruiting bodies of Hericium erinaceus and its aqueous conformation

被引：85

作者：

Dong, Q ^{[1
]}

Jia, LM ^{[1
]}

Fang, JN ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Mat Med, Shanghai Inst Biol Sci, Grad Sch, Shanghai 201203, Peoples R China

来源：

CARBOHYDRATE RESEARCH | 2006年 / 341卷 / 06期

关键词：

Hericium crinaceus beta-(1 -> 3)-D)-glucan; chemical structure; conformation;

D O I：

10.1016/j.carres.2006.01.022

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

HEP3, it beta-D-glucan slightly soluble in water, wits isolated from the alkaline extract of the fruiting bodies of Hericium erinaceus. Its chemical Structure was investigated by methylation analysis, periodate oxidation, Smith degradation and by IR and NMR spectroscopy. It was shown to have a main chain composed of beta-(1 -> 3)-linked D-glucopyranosyl residues, with single unit glucosyl branches attached to O-6 of every third backbone residue. Viscometry and Congo red reaction indicated that HEP3 has it highly ordered hydrogen-bond dependent conformation in aqueous solution, which collapses in strong alkaline Solution. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：791 / 795

页数：5

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