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Anthraquinones of the roots of Pentas micrantha
(University of Nairobi, 2012-12)
Pentas micrantha is used in the East African indigenous medicine to treat malaria. In the first investigation of this plant, the crude methanol root extract showed moderate antiplasmodial activity against the W2- (3.37 ...
Antiparasitic and anticancer carvotacetone derivatives of Sphaeranthus bullatus.
(University of Nairobi, 2012-09)
The CH2Cl2-MeOH (1:1) extract of the aerial parts of Sphaeranthus bullatus, an annual herb native to tropical East Africa, showed activity against chloroquine sensitive D6 (IC50 9.7 microg/mL) and chloroquine resistant W2 ...
Four isoflavones from seed pods of Millettia dura
(University of Nairobi, 1996-02)
Seed pods of Millettia dura yielded four novel isoflavones, which have been characterized as 3-(3,4-dimethoxyphenyl)-6-methoxy-8,8-dimethyl-4H,8H-benzo[1,2-b: 3,4-b′]dipyran-4-one (trivial name, durallone), 6-demethyldurallone, ...
Two new isoflavones from millettia dura
(2010)
The genus Millettia belongs to the family Fabaceae. It is
represented by more than 200 species and is, found widely
distributed in tropical Africa, Australia and Asia. Previous
chemical investigationsof a number" of ...
Natural Products from Plant Diversity and their Potential in Management of Neglected Diseases
(2011)
Conventionally, neglected diseases are considered as a group of 13 infectious diseases that are
. endemic in the low income populations in the tropical developing world. They can be classified
as those caused by trypanosomal ...
6-Methoxycalpogonium Isoflavone A: A New Isoflavone from the Seed Pods of Millettia dura
(University of Nairobi, 1997-08)
From the seed pods of Millettia dura a new isoflavone has been isolated and identified as 3-(4-methoxyphenyl)-6-methoxy-8,8-dimethyl-4H,8H-benzo[1,2-b:3,4-b‘]dipyran-4-one (trivial name 6-methoxycalopogonium isoflavone A). ...
Friedelane triterpoids from rawsonia lucida
(2010)
Rawsonia lucida (Flacourtiaceae) is an evergreen tree or shrub
that is mainly distributed in tropical and southern Africa.
Recent survey of plants traditionally used for the treatment of
malaria have shown that the ...
Bioactivity of 'Flemingin A' and other Natural Products from the leaves of Flemingia grahamiana
(2011)
Flemingia graharriiana (Wight & Arn.) is an erect herb or sub-shrub up to 1.8 m tall with deep
(sometimes tuberous) roots and 3-foliate alternate leaves. It is distributed in Tropical Africa and
occurs in open and wooded ...
Op-37 Flavonoids from erythrina burttii and erythrina sacleuxii
(2000)
The root and stem bark of Erythrina species are widely used
in traditional medicine for the treatment of microbial
infections: In our interest on the phytochemistry of Erythrina
species of Kenya, we have isolated several ...
Knipholone cyclooxanthrone and an anthraquinone dimer with antiplasmodial activities from the roots of Kniphofia foliosa
(2013)
A new phenylanthrone, named knipholone cyclooxanthrone and a dimeric anthraquinone, 10-methoxy-10,7′-(chrysophanol anthrone)-chrysophanol were isolated from the roots of Kniphofia foliosa together with the rare naphthalene ...