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NMR characterization for polysaccharide moiety of a glycopeptide

文献类型: 外文期刊

作者: Ye, Libin 2 ; Li, Jianrong 2 ; Zhang, Jingsong 1 ; Pan, Yingjie 3 ;

作者机构: 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai 201106, Peoples R China

2.Zhejiang Gongshang Univ, Food Safety Key Lab Zhejiang Prov, Coll Food Sci & Biotechnol, Dept Biol, Hangzhou 310035, Zhejiang, Peoples R China

3.Shanghai Ocean Univ, Coll Food Sci, Shanghai 200090, Peoples R China

关键词: Ganoderma lucidum;Polysaccharide;NMR;Structural analysis

期刊名称:FITOTERAPIA ( 影响因子:2.882; 五年影响因子:3.202 )

ISSN: 0367-326X

年卷期: 2010 年 81 卷 2 期

页码:

收录情况: SCI

摘要: Ganoderma lucidum is a traditional medicinal herb used to treat various diseases in China and Southeast Asia for thousands of years. An aqueous glycopeptide, LZ-B-1, was prepared by successive chromatography and exhibited an immunostimulating potential. To better understand the mechanism of bioactivity for this compound, the polysaccharide moiety of glycopeptide LZ-B-1 was studied by NMR spectroscopy. The results indicated that the polysaccharide moiety had a backbone of 1,6-disubstituted-alpha-galactopyranosyl, 1,2,6-trisubstituted-alpha-galactopyranosyl, 1,3-disubstituted-beta-glucopyranosyl and 1,4,6-trisubstituted-beta-glucopyranosyl residues. The branches were mainly composed of 1-substituted-beta-glucopyranosyl and 1-substituted-alpha-fucopyranosyl residues. (C) 2009 Elsevier B.V. All rights reserved.

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