Yong-Yong Zhang1, Jia-Bo Luo. 1. Key Laboratory of Research of TCM and New Drug, Southern Medical University, Guangzhou 510515, China. cpuzyy@sohu.com
Abstract
OBJECTIVE: To study the chemical constituents of Hedyotis diffusa. METHODS: Column chromatographic techniques were used for isolation and purification of chemical constituents of this plant and their structures were identified by spectroscopic analysis. RESULTS: Five compounds were isolated and identified as scandoside methyl ester (I), deacetylasperulosidic acid methyl ester (II), 10-dehydrogeniposide (III), 2-hydroxy-3-methylanthraquinone (IV), stigmasterol (V), respectively. CONCLUSION: Compound II as iridoids was isolated from Hedyotis diffusa for the first time, compound III as iridoids was isolated from genus Hedyotis for the first time.
OBJECTIVE: To study the chemical constituents of Hedyotis diffusa. METHODS: Column chromatographic techniques were used for isolation and purification of chemical constituents of this plant and their structures were identified by spectroscopic analysis. RESULTS: Five compounds were isolated and identified as scandoside methyl ester (I), deacetylasperulosidic acid methyl ester (II), 10-dehydrogeniposide (III), 2-hydroxy-3-methylanthraquinone (IV), stigmasterol (V), respectively. CONCLUSION: Compound II as iridoids was isolated from Hedyotis diffusa for the first time, compound III as iridoids was isolated from genus Hedyotis for the first time.