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Two new benzylbenzoate glucosides from Curculigo orchioides.

Valls J, Richard T, Larronde F, Leblais V, Muller B, Delaunay JC, Monti JP, Ramawat KG, Mérillon JM.

Groupe d'Etude des Substances Naturelles à Activités Biologiques, EA 3675, Université de Bordeaux 2, Bordeaux, France.

An extract from in vitro cultures of Curculigo orchioides grown as bulbils in shake flasks, afforded two new glucosides of substituted benzylbenzoate - curculigoside C (3) and curculigoside D (4) - together with two known compounds - curculigoside A (1) and curculigoside B (2). Their structures were elucidated on the basis of spectral evidence, in particular by using 2D NMR methods. Their vasoactive properties were assessed in isolated rat aortic rings.

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PMID: 16814485 [PubMed - indexed for MEDLINE]