Now showing items 1-10 of 39
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 ...
Phytochemistry41 (1996) 951
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, ...
Bioactive compounds from some Kenyan ethnomedicinal plants: Myrsinaceae, Polygonaceae and Psiadia punctulata
(University of Nairobi, 2002-10)
There are several described medicinal plants in Kenya from a flora of approximately 10,000 members. Strong cross-medical information from the 42 ethnic groups points to the high potential of some of these species. The ...
In vitro antiplasmodial and cyclin- dependent protein kinase (pfmrk) inhibitory activities of selected flavonoids in combination with chloroquine (CQ) and artemisinin
(University of Nairobi, 2010-08)
In this study, we report in vitro chloroquine (CQ) and artemisinin combination studies of eight flavonoids against Plasmodium falciparum strains. The flavonoids were previously isolated from Erythrina sp. (Family ...
A new isoflavone from stem bark of Millettia dura
A new isoflavone (7,3’-dimethoxy-4’,5’-methylenedioxyisoflavone) and three known isoflavones [isoerythrinin A 4’-(3-methylbut-2-enyl) ether, isojamaicin and nordurlettone] were isolated from the stem bark of Millettia dura ...
The first 9-hydroxyhomoisoflav anone, and antiplasmodial chalcones, from the aerial exudates of Polygonum senegalense
Phytochemical re-examination of the aerial exudates of Polygonum senegalense forma senegalense has resulted in the isolation and ch aracterization of a novel homoisoflavonoid, 5,7- dihydroxy-3-(hydroxy-phenyl-m ...