Journal article
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Cytotoxic flavonoids and other constituents from the stem bark of Ochna schweinfurthiana
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Ndongo, Joseph T.
Department of Chemistry, Higher Teacher Training College, University of Yaoundé, Cameroon
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Issa, Mark E.
School of Pharmaceutical Sciences, University of Geneva, Switzerland
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Messi, Angelique N.
Department of Organic Chemistry, Faculty of Science, University of Yaoundé, Cameroon
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Mbing, Joséphine Ngo
Department of Organic Chemistry, Faculty of Science, University of Yaoundé, Cameroon
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Cuendet, Muriel
School of Pharmaceutical Sciences, University of Geneva, Switzerland
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Pegnyemb, Dieudonné Emmanuel
School of Pharmaceutical Sciences, University of Geneva, Switzerland - Department of Organic Chemistry, Faculty of Science, University of Yaoundé, Cameroon
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Bochet, Christian G.
Department of Chemistry, University of Fribourg, Switzerland
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Published in:
- Natural Product Research. - 2015, vol. 29, no. 17, p. 1684-1687
English
Seven flavonoids, hemerocallone (1), 6,7-dimethoxy-3′,4′-dimethoxyisoflavone (2), amentoflavone (4), agathisflavone (6), cupressuflavone (8), robustaflavone (9) and epicatechin (10), together with three other compounds, lithospermoside (3), β-D- fructofuranosyl-α-D-glucopyranoside (5) and 3β-O-D-glucopyranosyl-β-stigmasterol (7), were isolated from the ethyl acetate extract of the stem bark of Ochna schweinfurthiana F. Hoffm. All the compounds were characterised by spectroscopic and mass spectrometric methods, and by comparison with literature data. Cytotoxicity of the extracts and compounds against cervical adenocarcinoma (HeLa) cells was evaluated by MTT assay. Compounds 4 and 6 exhibited good cytotoxic activity, with IC50 values of 20.7 and 10.0 μM, respectively.
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Faculty
- Faculté des sciences et de médecine
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Department
- Département de Chimie
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Language
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Classification
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Pharmacology, therapeutics, toxicology
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License
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License undefined
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Identifiers
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Persistent URL
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https://folia.unifr.ch/unifr/documents/304467
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