Characterization of Polysaccharides with Antioxidant and Hepatoprotective Activities from the Edible Mushroom Oudemansiella radicata
文献类型： 外文期刊
作者： Liu, Qin 1 ; Zhu, Mengjuan 3 ; Geng, Xueran 4 ; Wang, Hexiang 2 ; Ng, Tzi Bun 5 ;
作者机构： 1.Henan Acad Agr Sci, Inst Plant Nutr Agr Resources & Environm Sci, Zhengzhou 450002, Peoples R China
2.China Agr Univ, Dept Microbiol, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
3.Shandong Agr Univ, Dept Fungal Resource, Coll Plant Protect, Tai An 271018, Shandong, Peoples R China
4.Shanxi Agr Univ, Coll Food Sci & Engn, Taigu 030801, Peoples R China
5.Chinese Univ Hong Kong, Sch Biomed Sci, Fac Med, Shatin 999077, Hong Kong, Peoples R China
关键词： antioxidant;hepatoprotective;Oudemansiella radicata;polysaccharides
期刊名称：MOLECULES （ 影响因子：4.411； 五年影响因子：4.587 ）
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收录情况： SCI
摘要： The preliminary structure, in vitro antioxidant and in vivo hepatoprotective activities of water-soluble polysaccharides (ORWP) and alkali-soluble polysaccharides (ORAP), prepared from the mushroom Oudemansiella radicata, were investigated. Both ORWP and ORAP were heteropolysaccharides with mannose, glucose and galactose being the main monosaccharide components. Regarding the antioxidant activities, ORWP and ORAP showed effective 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, hydrogen peroxide scavenging activity and lipid peroxidation inhibitory effects, as well as moderate reducing power and Fe2+ chelating activity. For the hepatoprotective activity, administration of ORWP and ORAP prevented the increase in serum alanine aminotransferase and aspartate aminotransferase activities in a carbon tetrachloride-induced acute liver damage model, suppressed hepatic malondialdehyde formation and stimulated the activities of hepatic superoxide dismutase and glutathione peroxidase. Thus, we speculate that ORWP and ORAP may protect the liver from CCl4-induced hepatic damage via antioxidant mechanisms.
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