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Inhibition of Proinflammatory Cytokine Release by Flavones and Flavanones from the Leaves of Dracaena steudneri Engl
(University of Nairobi, 2021-03)
The leaves of Dracaena steudneri yielded 6 new flavonoids-3,5,7-trihydroxy-6-methyl-3',4'-methylenedioxyflavone (1: ), 5,7-dihydroxy-3-methoxy-6-methyl-3',4'-methylenedioxyflavone (2: ), 3,5,7-trihydroxy-6-methoxy-3',4'- ...
Two new flavonoids from Dracaena usambarensis Engl.
(University of Nairobi, 2020)
Investigations of the root extract of Dracaena usambarensis Engl. for anticancer principles led to the characterization of one new homoisoflavonoid, (3S)-3,4ʹ,5,6-tetrahydroxy-7-methoxyhomoisoflavanone (1) and a new ...
Anti-inflammatory norhopanes from the root bark of Fagaropsis angolensis (Engl.) H.M.Gardner
(University of Nairobi, 2020)
Two new norhopane derivatives namely 3β,6β,22-trihydroxy-7β,11α-di[(4-hydroxybenzoyl)oxy]-21αH-24-norhopa-4(23)-ene (1) and 3β,6β,22-trihydroxy-7β-[(4-hydroxybenzoyl)oxy]-21αH-24-norhopa-4(23)-ene (2) together with two ...
Anti-inflammatory steroidal sapogenins and a conjugated chalcone-stilbene from Dracaena usambarensis Engl
(University of Nairobi, 2020)
Four new steroidal sapogenins, dracaenogenins CF (1-4), a new conjugated chalcone-stilbene, 3''-methoxycochinchinenene H (5) together with eight known compounds namely, (25S)-spirosta-1,4-dien-3-one (6), trans-resveratrol ...
Antibacterial Activities and Phytochemical Screening of Crude Extracts from Kenyan Macaranga Species Towards MDR Phenotypes Expressing Effux Pumps
(University of Nairobi, 2021)
Macaranga species are traditionally used for the
treatment and management of coughing, fungal infection, and wounds.
In this study, the phytochemical screening and antibacterial activities
of nine crude extracts from ...
Mechanism of Action of Endophytic Fungi Hypocrea Lixii and Beauveria Bassiana in Phaseolus Vulgaris as Biopesticides Against Pea Leafminer and Fall Armyworm
(University of Nairobi, 2021-09)
Endophytic fungal isolates Hypocrea lixii F3ST1 and Beauveria bassiana G1LU3 were evalu-
ated for their potential to endophytically colonize and induce active compounds in Phaseolus vulgaris,
as a defense mechanism against ...