Structural Characterization and Immunological Activities of a Novel Water-Soluble Polysaccharide from the Fruiting Bodies of Culinary-Medicinal Winter Mushroom, Flammulina velutipes (Agaricomycetes)

文献类型: 外文期刊

第一作者: Feng, Ting

作者: Feng, Ting;Jia, Wei;Wang, Wen-Han;Lin, Chi-Chung;Zhang, Jing-Song;Feng, Ting;Jia, Wei;Wang, Wen-Han;Lin, Chi-Chung;Zhang, Jing-Song;Feng, Ting;Bao, Hai-Ying;Fan, Hua

作者机构:

关键词: Flammulina velutipes;Immunological Activities;Medicinal mushrooms;Poly saccharides;purification

期刊名称:INTERNATIONAL JOURNAL OF MEDICINAL MUSHROOMS ( 影响因子:1.921; 五年影响因子:1.879 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: A water-soluble polysaccharide, designated FVPA2, was isolated from the fruiting bodies of Flammulina velutipes using DEAE Sepharose Fast Flow and gel-permeation chromatography. Its structure was elucidated by monosaccharide composition and methylation analysis, ultraviolet, Fourier transform infrared spectrometry, and nuclear magnetic resonance spectroscopy. Results showed that FVPA2 was a homogeneous heteropolysaccharide containing galactose, fucose, and mannose in a molar ratio of 5:1:1. High-performance liquid chromatography indicated its molecular weight as 3.4 X 10(4) Da. FVPA2 also has a repeating unit. In vitro immunomodulatory studies showed that Raw264.7 cells were stimulated to secret nitric oxide upon administration of 200-500 mu g/mL FVPA2. FVPA2 also stimulated the proliferation of mouse spleen lymphocytes and B lymphocytes.

分类号: Q94

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