Undescribed Lignanamide and Flavone C‐Glucoside Isolated from the Aerial Parts of Piper Samentosum with NO Production Inhibitory Activity in LPS Activated RAW 264.7 Cells
Le Thi Huyen,
Luu Thu Thao,
Nhu Thi Hang Nga
et al.
Abstract:In this study, two undescribed compounds (1 and 2), together with eight known compounds (3‐10) were isolated from the aerial parts of Piper samentosum by various chromatography methods. Their chemical structures were determined to be 7′′′‐oxolyciumamide N (1), vitexin 2′′‐O‐β‐D‐(6′′′‐feruloyl)‐glucopyranoside (2), 1,2‐dihydro‐6,8‐dimethoxy‐7‐hydroxy‐1‐(3,4‐dihydroxyphenyl)‐N1,N2‐bis‐[2‐(‐hydroxyphenyl)ethyl]‐2,3‐napthalene dicarboamide (3), vitexin 6′′‐O‐β‐D‐glucopyranoside (4), vitexin 2′′‐O‐α‐L‐rhamnopyranos… Show more
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