Structural Elucidation of a Polysaccharide from Flammulina velutipes and Its Lipid-Lowering and Immunomodulation Activities
文献类型： 外文期刊
作者： Jia, Wei 1 ; Wang, Wenhan 1 ; Yu, Dongsheng 1 ; Yu, Yangchao 3 ; Feng, Zhan 3 ; Li, Hewen 3 ; Zhang, Jingsong 1 ; Zhang, Henan 1 ;
作者机构： 1.Shanghai Acad Agr Sci, Inst Edible Fungi, Key Lab Edible Fungal Resources & Utilizat South, Minist Agr & Rural Affairs, Shanghai, Peoples R China
2.Natl Engn Res Ctr Edible Fungi, Natl R&D Ctr Edible Fungal Proc, Key Lab Agr Genet & Breeding Shanghai, Shanghai 201403, Peoples R China
3.Jiangsu Chinagreen Biotechnol Co Ltd, Suqian 223700, Peoples R China
关键词： Flammulina velutipes; polysaccharides; three-phase partitioning; structural characteristics; lipid-lowering activity; immunoregulatory activity
期刊名称：POLYMERS （ 影响因子：5.0； 五年影响因子：5.0 ）
ISSN：
年卷期： 2024 年 16 卷 5 期
页码：
收录情况： SCI
摘要： FVPT1, a novel heteropolysaccharide, was purified from the fruiting body of Flammulina velutipes using magnetic-field-assisted three-phase partitioning and gel permeation chromatography. The structure was characterized using monosaccharide composition and methylation analysis, infrared spectroscopy and nuclear magnetic resonance (NMR). The FVPT1 (similar to 1.64 x 10(4) Da) was composed of L-fucose, D-galactose, D-glucose and D-mannose at a molar ratio of 1.0:3.5:1.0:1.4. The polysaccharide repeating unit of FVPT1 was established with methylation analyses and NMR spectroscopy. Moreover, a zebrafish larva hyperlipidemia model test demonstrated that FVPT1 can show appreciable lipid-lowering effects. In addition, the FVPT1 exhibited remarkable immunoregulatory activity by increasing nitric oxide, interleukin (IL)-1 beta and IL-1 secretion in macrophages. Therefore, these results suggest that FVPT1 has the potential to be developed into a new immune or hypolipidemic health product.
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