Structural investigation of a polysaccharide (Fr. II) isolated from the aqueous extract of an edible mushroom, Pleurotus sajor-caju

被引：66

作者：

Pramanik, M ^{[1
]}

Mondal, S ^{[1
]}

Chakraborty, I ^{[1
]}

Rout, D ^{[1
]}

Islam, SS ^{[1
]}

机构：

[1] Vidyasagar Univ, Dept Chem & Chem Technol, Midnapore 721102, W Bengal, India

来源：

CARBOHYDRATE RESEARCH | 2005年 / 340卷 / 04期

关键词：

Pleurotus sajor-caju; mushroom polysaccharide; structure; NMR experiments;

D O I：

10.1016/j.carres.2004.12.032

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：

A water-soluble polysaccharide, (Fr. II) isolated from aqueous extract of an edible mushroom Pleurotus sajor-caja, was found to consist Of D-glucose, D-galactose, and D-mannose in a molar proportion of 1: 1: 1. Compositional analysis, methylation analysis, periodate oxidation study, partial hydrolysis, and NMR experiments (H-1, C-13, 2D-COSY, TOCSY, NOESY, HSQC, and HMBC) revealed the presence of the following repeating unit in the polysaccharide: -> 6)-alpha-D-Galp-(1 -> 4)-alpha-D-Glcp-(1 -> 2 up arrow l beta-D-Manp (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：629 / 636

页数：8

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