Chemical Constituents from Polygonum chinensis L.
Zou Zhong-mei
Abstract
Zou Zhong-mei
Abstract
To control the quality,the chemical constituents of the aerial part of Polygonum chinensis L.were studied.Nine compounds were isolated and purified by silica gel and Sephadex LH-20 chromatography,and their structures were identified as n-heptacosanol(1),β-sitosterol(2),methyl gallate(3),daucosterol(4),gallic acid(5),quercetin(6),quercitrin(7),hyperoside(8) and 3-O-methy-lellagic acid 4-O-rhamnopyranoside(9) by spectroscopic analysis,respectively.Among them,compounds 1 and 9 were isolated from genus Polygonum for the first time,while 4 and 8 were isolated from this plant for the first time.
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To control the quality,the chemical constituents of the aerial part of Polygonum chinensis L.were studied.Nine compounds were isolated and purified by silica gel and Sephadex LH-20 chromatography,and their structures were identified as n-heptacosanol(1),β-sitosterol(2),methyl gallate(3),daucosterol(4),gallic acid(5),quercetin(6),quercitrin(7),hyperoside(8) and 3-O-methy-lellagic acid 4-O-rhamnopyranoside(9) by spectroscopic analysis,respectively.Among them,compounds 1 and 9 were isolated from genus Polygonum for the first time,while 4 and 8 were isolated from this plant for the first time.
Key concepts: Quercitrin, Hyperoside, Quercetin, Daucosterol, Polygonum, Chemistry, Gallic acid, Chromatography