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- W2383359111 abstract "Objective:To study polyphenolic compounds from fruits of Terminalia chebula Retz.var.tomentella Kurt.and their antioxidant activity.Methods:Macroporous resin(Toyopearl HW-40 and MCI gel CHP-20P) columns and preparative HPLC were used,compound structures were determined by MS,NMR,COSY and HMBC techniques.The antioxidant activities of the polyphenolic compounds were assayed based on the method of DPPH and ABTS,which can evaluate the antioxidant ability in vitro.Results:Nine compounds were isolated and identified as chebulinic acid(1),chebulagic acid(2),1,3,4,6-tetra-O-galloyl-β-D-glucose(3),1,3,6-triO-galloyl-β-D-glucose(4),gallic acid(5),terchebin(6),1,2,3,4,6-penta-O-galloyl-β-D-glucose(7),methyl neochebulinate(8),neochebulinate(9).Conclusion:Compounds 4 and 8 were isolated for the frist time from the fruits of T.chebula.Compounds 3,4 and 5 have obvious antioxidant activity compared with control group.The antioxidant activity of crude extract was lower than single compounds." @default.
- W2383359111 created "2016-06-24" @default.
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- W2383359111 date "2013-01-01" @default.
- W2383359111 modified "2023-09-28" @default.
- W2383359111 title "Polyphenolic Compounds and Antioxidant Activity of Terminalia chebula Retz. var. tomentella Kurt." @default.
- W2383359111 hasPublicationYear "2013" @default.
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