Isolation and Purification of a Polysaccharide from the Caterpillar Medicinal Mushroom Cordyceps militaris (Ascomycetes) Fruit Bodies and Its Immunomodulation of RAW 264.7 Macrophages
文献类型: 外文期刊
作者: Zhu, Lina 1 ; Tang, Qingjiu 2 ; Zhou, Shuai 2 ; Liu, Yanfang 2 ; Zhang, Zhong 2 ; Gao, Xinhua 3 ; Wang, Shiping 1 ; Wang, 1 ;
作者机构: 1.Shanghai Jiao Tong Univ, Sch Agr & Biol, Shanghai 200240, Peoples R China
2.Shanghai Acad Agr Sci, Inst Edible Fungi, Shanghai, Peoples R China
3.Shanghai Acad Agr Sci, Inst Ecoenvironm & Plant Protect, Shanghai, Peoples R China
关键词: medicinal mushrooms;Cordyceps militaris;polysaccharide;monosaccharide composition;immuno-stimulating activity
期刊名称:INTERNATIONAL JOURNAL OF MEDICINAL MUSHROOMS ( 影响因子:1.921; 五年影响因子:1.879 )
ISSN: 1521-9437
年卷期: 2014 年 16 卷 3 期
页码:
收录情况: SCI
摘要: A novel polysaccharide (CP2-S) was purified from Cordyceps militaris fruit bodies by hot water extraction, ethanol precipitation, DEAE-Sepharose Fast Flow and Sephacryl S-400 high-resolution chromatography. The polysaccharide had a molecular weight of 5.938 x 10(6) g/mol and was mainly composed of glucose. CP2-S had carbohydrate content estimated to be 100% using the phenol-sulfuric acid method. Immunostimulating experiments in vitro indicated that CP2-S could stimulate nitric oxide production, phagocytosis, respiratory burst activity, and secretion of interleukin-1 beta and interleukin-2 of macrophages, suggesting that this water-soluble polysaccharide from the fruit body of C. militaris is a natural immunostimulating polysaccharide with potential for further application.
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