Structure characterization of a novel neutral polysaccharide isolated from Ganoderma lucidum fruiting bodies

被引：142

作者：

Pan, Deng ^{[2
]}

Wang, Linqiang ^{[1
]}

Chen, Congheng ^{[2
]}

Teng, Baosong ^{[2
]}

Wang, Chendong ^{[2
]}

Xu, Zhixue ^{[2
]}

Hu, Bingwen ^{[1
]}

Zhou, Ping ^{[2
]}

机构：

[1] E China Normal Univ, Shanghai Key Lab Magnet Resonance, Dept Phys, Shanghai 200062, Peoples R China

[2] Fudan Univ, State Key Lab Mol Engn Polymers, Shanghai 200433, Peoples R China

来源：

FOOD CHEMISTRY | 2012年 / 135卷 / 03期

关键词：

Ganoderma luicidurn; Structure characterization; Polysaccharide; NMR spectroscopy;

D O I：

10.1016/j.foodchem.2012.05.071

中图分类号：

O69 [应用化学];

学科分类号：

070301 [无机化学];

摘要：

Ganoderma lucidum (G. lucidum) is a mushroom which has been used for health promotion for a long time in China. In the present work a neutral hetero-polysaccharide, named FYGL-1, was isolated from FYGL which was reported previously capable of antihyperglycemia in vivo for further detailed chemical structure investigation. The results of monosaccharide composition and GPC analysis indicated that FYGL-1 consisted of galactose. rhamnose and glucose in mole ratio of 1.00:1.15:3.22 with a molecular weight of 78 kDa. The detailed structure of FYGL-1 was characterized by periodate oxidation, Smith degradation, methylation analysis, along with FT-IR, GC, GC-MS, 1D H-1 and C-13 NMR and 2D NMR (HSQC, COSY, NOESY and TOCSY). Based on the analysis of the results, the structure of the repeating unit of FYGL-1 was established as: [GRAPHICS] (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1097 / 1103

页数：7

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