Secondary Metabolites from Basotho Medicinal Plants. II Bulbine capitata

M. A. Qhotsokoane-Lusunzi, Peter Karuso*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


The medicinal plant Bulbine capitata is used by the Basotho of southern Africa as a mild purgative and to cure gonorrhea infections. Organic extracts of the powdered root were found to be rich in anthraquinones, which may be responsible for the reported laxative effects. Examination of B. capitata led to the isolation of five known anthraquinones: chrysophanol, knipholone, isoknipholone, 10,7′-bichrysophanol and chrysalodin, and one new anthraquinone glycoside, M-4′-demethylknipholone-2′-O-β-D-glucopyranoside.

Original languageEnglish
Pages (from-to)427-430
Number of pages4
JournalAustralian Journal of Chemistry
Issue number7
Publication statusPublished - 2001


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