首页|Isolation of new flavan-3-ol and lignan glucoside from Loropetalum chinense and their antimicrobial activities

Isolation of new flavan-3-ol and lignan glucoside from Loropetalum chinense and their antimicrobial activities

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Phytochemical and antimicrobial activity study on the ethanol extract of the leaves and stems of Loropetalum chinense led to the isolation of a new flavan-3-ol compounds, 8-[1-(3,4-dihydroxyphenyl)-3-methoxy-3-oxopropyl]-catechin (loropetaliside A) (1) and a new lignan glucoside, 1-(5-hydroxy-3-methoxyphenyl)-2-(2-beta-glucopyranosyl-4-hydroxy-5-(1-(E )propen-3-ol)-phenyl)-propane-3-ol (loropetaliside B) (3) and several known compounds manglieside D (2), quercetin (4), kaempferol-3-O-D-glucopyranoside (5), quercetin-3-O-beta-L-rhamnoside (6) and tiliroside (7). Their structures were elucidated on the basis of extensive spectroscopic analysis

Loropetalum chinenseLoropetaliside ALoropetaliside BAntimicrobial activity

Xiong, Bingjian、Kong, Lingbao、Zhu, Xiangdong、Fan, Dan、Zhang, Qinghua

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College of Bioscience and Bioengineering, Jiangxi Agricultural University, Nanchang 330045, PR China

2013

Fitoterapia

Fitoterapia

SCI
ISSN:0367-326X
年,卷(期):2013.90
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