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Chemical constituents from Oldenlandia corymbosa L. of Thai origin
Authors:Pawadee Noiarsa  Somsak Ruchirawat  Hideaki Otsuka  Tripetch Kanchanapoom
Affiliation:(1) Regional Medical Sciences Center-Khon Kaen, Khon Kaen, 40001, Thailand;(2) Chulabhorn Research Institute, Vipavadee Rangsit Highway, Bangkok, 10210, Thailand;(3) Department of Pharmacognosy, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima 734-8551, Japan;(4) Department of Pharmaceutical Botany and Pharmacognosy, Faculty of Pharmaceutical Sciences, Khon Kaen University, Khon Kaen, 40002, Thailand
Abstract:
From the whole plants of Oldenlandia corymbosa of Thai origin, ten compounds have been isolated and elucidated as geniposide, 6α-hydroxygeniposide, scandoside methyl ester (6β-hydroxygeniposide), asperulosidic acid, deacetylasperuloside, asperuloside, 10-O-benzoylscandoside methyl ester, 10-O-p-hydroxybenzoylscandoside methyl ester, (+)-lyoniresinol-3α-O-β-glucopyranoside, and rutin. Their structures were determined on the basis of spectroscopic data.
Keywords:Oldenlandia corymbosa    Hedyotis corymbosa   Rubiaceae  Iridoid glucoside  Lignan glucoside  Rutin
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