2005•Hunan Forestry Science and TechnologyRequires access

Detecting content of resveratrol in Polygonum cuspidatum by TLC

Zhou Guo-hai

Abstract

Abstrcat A thin layer scanning method was established for the determination of resveratrol in Polygonum cuspidatum. Using silica gel as the layer plate and CHCl_3-CH_3COCH_3-CH_3COOH-H_2O(4∶4∶0.5∶0.2) as the developing system, scanning by ultra-light(306nm).The linearity is Y=(13.826 S~*10~(-6))-0.8698 (Y: the content of reseveratrol ug/ml,S: area of the peak).And determine content of resveratrol in rootstems rootsleaves of Polygonum cuspidatum.The result shows that the content of resveratrol in fresh rootstems of Polygonum cuspidatum is (0.548%).

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Key concepts: Resveratrol, Polygonum, Chemistry, Chromatography, Thin-layer chromatography, Thin layer, Silica gel, Traditional medicine