Withaperuvin O, a new withanolide from L.

L. (Solanaceae) has been used in tropical and subtropical countries of the world as medicinal and fruit trees. In this study, a new withanolide named withaperuvin O () and seven known ones, including physalolactone B-3-O--D-glucopyranoside (), withanolide J (), physapruin A (), physaperuvin G (), withaperuvin (), withaperuvin C () and 28-hydroxywithaperuvin C (), were isolated from the whole plants of . Their structures were elucidated based on extensive spectroscopic analyses including NMR and HR-ESI-MS. The bioactivities of these compounds against lipopolysaccharide (LPS)-induced NO production in RAW264.7 cells and cytotoxicity against HepG2 were tested. Compound showed strong anti-inflammatory activities with IC 3.55 ± 0.12 µM (compared to positive control L-NMMA 7.72 ± 0.46 µM). Compounds and inhibited HepG2 cell line with the IC values of 2.01 ± 0.12 µM, 0.96 ± 0.05 µM, respectively (Ellipticine, 0.32 ± 0.02 µM). Our study indicated that compounds and could be new potential natural products for the development of anti-inflammatory and anti-cancer agents.