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Antimicrobial and antiparasitic abietane diterpenoids from the roots of Clerodendrum eriophyllum
(University of Nairobi, 2010-06)
Chromatographic separation of the roots of a Kenyan medicinal plant, Clerodendrum eriophyllum, led to the isolation of ten abietane diterpenoids (1-10), one of which (1) was isolated for the first time from a natural source. ...
Flavonoids and Isoflavonoids with Antiplasmodial Activities from the Root Bark of Erythrina abyssinica
(University of Nairobi, 2003-07)
From the root bark of Erythrina abyssinica a new pterocarpene [3-hydroxy-9-methoxy-10-(3,3-dimethylallyl)pterocarpene] and a new isoflav-3-ene [7,4′-dihydroxy-2′,5′-dimethoxyisoflav-3-ene] were isolated. In addition, the ...
Antiparasitic and anticancer carvotacetone derivatives from Sphaeranthus bullatus
(2012-09)
The 1:1 MeOH/CH2Cl2 extract of aerial parts of Sphaeranthus bullatus, an annual herb native to tropical East Africa, showed activity against chloroquine sensitive D6 (IC50 9.7µg/ml) and chloroquine resistant W2 (IC50 ...
Flavonoids and isoflavonoids of Erythrina burttii
(2009)
From the stem bark and root bark of Erythrina burttii twenty-three flavonoids and isoflavonoids, including some
eight new compounds, have been isolated and characterised. The stem bark of this plant mainly produces
isoflavanones ...