Xanthones from Swertia punctata
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Isolation of 1-O-primeverosyl-3,8-dihydroxy-5-methoxyxanthone and 1-O-gentiobiosyl- 3,7-dimethoxy-8-hydroxyxanthone, along with five known xanthones, isobellidifolin, methylbellidifolin, isoswertianin, methylswertianin and norswertianin-1-O-beta-D-glucoside, from the roots of Swertia punctata is reported. In the aerial parts four xanthones, bellidifolin, methylbellidifolin, swertianolin and mangiferin, and flavone-C-gluco side, isoorientin were identified. The chemotaxonomic and pharmacological significance of these results is discussed. (C) 2002 Elsevier Science Ltd. All rights reserved.
Keywords:Swertia punctata / Gentianaceae / tetraoxygenated xanthones / 1-O-primeverosyl-3,8-dihydroxy-5-methoxyxanthone / 1-O-gentiobiosyl-3,7-dimethoxy-8-hydroxyxanthone
Source:Phytochemistry, 2002, 61, 4, 415-420
- Oxford : Pergamon-Elsevier Science Ltd.
- Ministry for Science, Technologies and Development