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. 2004 Apr;67(4):707-9.
doi: 10.1021/np0304971.

Antioxidant xanthones from Garcinia vieillardii

Anne-Emmanuelle Hay  1 , Marie-Christine Aumond, Sabine Mallet, Vincent Dumontet, Marc Litaudon, David Rondeau, Pascal Richomme
Affiliations

Antioxidant xanthones from Garcinia vieillardii

Anne-Emmanuelle Hay et al. J Nat Prod. 2004 Apr.

Abstract

Two new xanthones, 6-O-methyl-2-deprenylrheediaxanthone B (1) and vieillardixanthone (2), were isolated from the stem bark of Garcinia vieillardii, as were four known compounds (4-7). The structures of 1 and 2 were determined by means of spectroscopic analysis and chemical derivatization. Each isolate was tested for its antioxidant properties based on a scavenging activity study using the stable 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical.

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