A new xanthone from the bark extract of Rheedia acuminata and antiplasmodial activity of its major compounds |
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Authors: | Marti Guillaume Eparvier Véronique Litaudon Marc Grellier Philippe Guéritte Françoise |
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Institution: | Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles, CNRS, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France. |
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Abstract: | Bioassay-guided fractionation of the ethyl acetate bark extract of Rheedia acuminata led to the isolation of the new compound 1,5,6-trihydroxy-3-methoxy-7-geranyl-xanthone, together with four known compounds. These compounds were tested in vitro for their antiplasmodial activity on a chloroquine-resistant strain of Plasmodium falciparum (FcB1) and for their cytotoxicity against the human diploid embryonic lung cell line MRC-5. |
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