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从食用蘑菇糙皮侧耳(品种:黑日本)水提取物中分离出的一种多糖的结构分析

Structural analysis of a polysaccharide isolated from the aqueous extract of an edible mushroom, Pleurotus sajor-caju, cultivar Black Japan.

作者信息

Roy Sadhan K, Maiti Debabrata, Mondal Subhas, Das Debsankar, Islam Syed S

机构信息

Department of Chemistry and Chemical Technology, Vidyasagar University, Midnapore 721102, West Bengal, India.

出版信息

Carbohydr Res. 2008 May 5;343(6):1108-13. doi: 10.1016/j.carres.2008.02.015. Epub 2008 Mar 11.

Abstract

A water-soluble polysaccharide, isolated from the aqueous extract of an edible mushroom Pleurotus sajor-caju, cultivar Black Japan was found to consist of D-glucose and D-galactose in a molar ratio of 3:1. On the basis of total acid hydrolysis, methylation analysis, and NMR experiments (1H, 13C, DQF-COSY, TOCSY, NOESY, ROESY, HMQC, and HMBC) the structure of the polysaccharide was established as [Formula: see text].

摘要

从食用菌姬菇(品种黑日本)的水提取物中分离出一种水溶性多糖,发现其由摩尔比为3:1的D-葡萄糖和D-半乳糖组成。基于完全酸水解、甲基化分析和核磁共振实验(1H、13C、DQF-COSY、TOCSY、NOESY、ROESY、HMQC和HMBC),确定该多糖的结构为[分子式:见原文]。

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