Radical scavenging activity of crude polysaccharides from Camellia sinensis | Zendy

Fan Yang | Zendy; Zhiwei Yang | Zendy; Jianbo Xiao | Zendy

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Radical scavenging activity of crude polysaccharides from Camellia sinensis

Author(s) -

Fan Yang,

Zhiwei Yang,

Jianbo Xiao

Publication year - 2011

Publication title -

archives of biological sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.217

H-Index - 25

eISSN - 1821-4339

pISSN - 0354-4664

DOI - 10.2298/abs1103717y

Subject(s) - scavenging , chemistry , polysaccharide , hydroxyl radical , dpph , camellia sinensis , ultrafiltration (renal) , superoxide radical , superoxide , food science , chromatography , organic chemistry , radical , botany , antioxidant , biology , enzyme

A preparation of crude polysaccharides (TPS) was isolated from Camellia sinensis by precipitation and ultrafiltration. TPS1, TPS2, and TPS3 had molecular weights of 240, 21.4, and 2.46 kDa, respectively. The radical scavenging activities of TPS were evaluated by DPPH free radical, hydroxyl radical and superoxide radical scavenging. These results revealed that TPS exhibited strong radical scavenging activity in a concentration-dependent manner. TPS3 with lowest molecular weight showed a higher radical scavenging activity

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