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Constituents from Apium graveolens and their anti-inflammatory effects
Li-Han Zhu1, Tian-Hui Bao1, Yue Deng1
1a Key Laboratory of Structure-Based Drug Design & Discovery, School of Traditional Chinese Materia Medica, Wuya College of Innovation, Ministry of Education , Shenyang Pharmaceutical University , Shenyang 110016 , China.
Abstract:
A phthalide glycoside, (3R, 4R)-4-O-β-D-glucopyranosyl-senkyunolide (1), and a megastigmane glycoside, (6S, 7R)-3-oxo-megastigma-4, 8-dien-7-O-β-D-glucoside (2), along with two known aglycones (3-4), were isolated from the 70% EtOH extract of fresh whole grass of Apium graveolens L. Their structures were elucidated by extensive spectroscopic analysis. All of these compounds were tested for their inhibitory effects on nitric oxide (NO) production in the RAW 264.7 macrophages. Among them, compounds 3 and 4 showed potent inhibitory activity against LPS-induced nitric oxide production in RAW 264.7 macrophages, with IC50 values of 24.0 ± 2.1 μM and 28.6 ± 2.4 μM, respectively.
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