Tetraoxygenated xanthones from the fruits of Garcinia cowa |
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| Authors: | Panthong Kanda Pongcharoen Wipapan Phongpaichit Souwalak Taylor Walter C |
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| Institution: | Department of Chemistry, Faculty of Science, Prince of Songkla University, Songkhla 90112, Thailand. kanda.p@psu.ac.th |
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| Abstract: | Tetraoxygenated xanthones, cowaxanthones A-E, together with 10 previously reported tetraoxygenated xanthones, were isolated from the crude hexane extract of the fruits of Garcinia cowa. Cowaxanthone B has previously been reported as a synthetic xanthone. Their structures were elucidated by analysis of spectroscopic data, especially by 1D and 2D NMR. The antibacterial activities of the isolated compounds were also evaluated. |
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| Keywords: | Garcinia cowa Guttiferae Tetraoxygenated xanthones Antibacterial activity |
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