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Alkaloids and lignans from zanthoxylum usambarense and zanthoxylum chalybeum
(2011)
The genus Zanthoxylum (Rutaceae) sometimes called 'prickly ashes' because of the
shape of the leaves is represented by7 species in Kenya (l). Traditionally Zanthoxylum
usambarense has been used to treat coughs, rheumatism, ...
Surface compounds of psiadia punctulata
(2001)
The genus Psiadia (Compositae) is represented by 60 species and is found south of Tropical Africa, Madagascar and Tropical Asia (1). Very limited phytochemical information is available
in this genus. However, this has ...
Flavonoids of the roots and stem bark of erythrina burttii and erythrina abyssinica
(2011)
The genus Erythrina belongs to the subfamily paplinoideae of the family Leguninosae.
This genus is widely distributed in tropical and subtropical regions of the world and is
represented by 125-200 species. The presence ...
Antiplasmodial quinones from the rhizomes of Kniphofia foliosa.
(2013-09)
Extracts of the rhizomes of Kniphofia foliosa exhibited antiplasmodial activities against the chloroquine-sensitive (D6) and chloroquine-resistant (W2) strains of Plasmodium falciparum with IC50 values of 3-5 microg/mL. A ...