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Cytotoxic Quinones from the Roots of Aloe dawei.
(University of Nairobi, 2014-03-17)
Seven naphthoquinones and nine anthraquinones were isolated from the roots of Aloe dawei by chromatographic separation. The purified metabolites were identified by NMR and MS analyses. Out of the sixteen quinones, ...
Phytochemical screening of Dierama cupuliflorum Klatt. (Iridaceae)
(2014)
Background: Plants continue to play a vital role in their therapeutic value. This is because of the vast secondary metabolites that many of them produce. These natural products have been utilised as single or in combination ...
Cytotoxic and antioxidant flemingins g-p from the leaves of flemingia grahamiana
(University of Nairobi, 2014)
The known flemingins A-C (1-3) and nine new chalcones, named flemingins G-O (4-12), along with deoxyhomoflemingin (13) and emodin (14) were isolated from a leaf extract of Flemingia grahamiana. The isolated chalcones were ...