STRUCTURAL ELUCIDATION OF A NEUTRAL WATER-SOLUBLE a-D-GLUCAN FROM THE FUNGUS OF HERICIUM ERINACEUS

文献类型: 外文期刊

第一作者: Zhang, Jingsong

作者: Zhang, Jingsong;Zhang, Anqiang;Deng, Yinglin;Sun, Peilong;Meng, Xianghe

作者机构:

期刊名称:JOURNAL OF FOOD BIOCHEMISTRY ( 影响因子:2.72; 五年影响因子:2.543 )

ISSN: 0145-8884

年卷期: 2011 年 35 卷 6 期

页码:

收录情况: SCI

摘要: A new alpha-D-glucan (HEPF5), with a molecular weight of 4.23 x 10(5) Da as determined by high-performance liquid chromatography, was isolated from the water extract of the fruiting bodies of Hericium erinaceus. Its chemical structure was characterized by sugar and methylation analysis along with infrared (IR), (1)H and (13)C nuclear magnetic resonance spectroscopy, including correlated spectroscopy, total correlation spectroscopy, heteronuclear multiple quantum correlation spectroscopy and nuclear Overhauser enhancement spectroscopy experiments for linkage and sequence analysis. The polysaccharide is composed of a multibranch tetrasaccharide repeating unit with the following structure: [GRAPHICS]

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