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Flavonoids of geigeria |
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| Authors: | PC Coleman DJJ Potgieter CHVan Aswegen NMJ Vermeulent |
| Institution: | Departments of Chemistry and Biochemistry, University of Pretoria 0002, Republic of South Africa |
| Abstract: | Chromatographic separation of the ethanol extract of Geigeria burkei resulted in the isolation and characterization of two known flavonoids, 5,7,3′,4′-tetrahydroxy-6-methoxyflavone and 5,7,4'-trihydroxy-6 methoxyflavone. 13CNMR data, as well as the respiratory inhibition and uncoupling of oxidative phosphorylation, is reported for the first time. |
| Keywords: | Compositae 5 7 3′ 4′-tetrahydroxy-6-methoxyflavone 5 7 4′-trihydroxy-6-methoxyflavone respiratory inhibition |
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