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Now showing items 31-36 of 36
8-Hydroxy-6-methylxanthone-1-carboxylic acid and 6',8-O-dimethylknipholone from the roots of Bulbine frutescens
(University of Nairobi, 2014)
Phytochemical investigation of the dichloromethane/methanol (1:1) extract of the roots of Bulbine frutescens led to the isolation of a new xanthone, 8-hydroxy-6-methylxanthone-1-carboxylic acid (1) and a new phenylanthraquinone, ...
3-Hydroxyisoflavanones From The Stem Bark Of Dalbergia Melanoxylon: Isolation, Antimycobacterial Evaluation And Molecular Docking Studies
(University of Nairobi, 2013)
Two new 3-hydroxyisoflavanones, (S)-3,4′,5-trihydroxy-2′,7-dimethoxy-3′-prenylisoflavanone (trivial name kenusanone F 7-methyl ether) and (S)-3,5-dihydroxy-2′,7-dimethoxy-2″,2″-dimethylpyrano[5″,6″:3′,4′]isoflavanone ...
Antiplasmodial, cytotoxicity and phytochemical constituents of four maytenus species used in traditional medicine in Kenya
(2017)
Background: In Kenya, several species of the genus Maytenus are used in traditional medicine to treat many diseases including malaria. In this study, phytochemical constituents and extracts of Maytenus undata, M. ...
8-Methoxyneorautenol and radical scavenging flavonoids from Erythrina abyssinica
(2009)
A new pterocarpan (named 8-methoxyneorautenol) was isolated from the acetone extract of the
root bark of Erythrina abyssinica. In addition, the known isoflavonoid derivatives eryvarin L, erycristagallin and
shinpterocarpin ...
Antiplasmodial and antileishmanial flavonoids from Mundulea sericea
(University of Nairobi, 2020)
Five known compounds (1-5) were isolated from the extract of Mundulea sericea leaves. Similar investigation of the roots of this plant afforded an additional three known compounds (6-8). The structures were elucidated using ...
Antiplasmodial and Antimicrobial Activities of Ent- Abietane Diterpenoids From the Roots of Suregada Zanzibariensis
(University of Nairobi, 2022)
The root extract ofSuregada zanzibariensisBaill. afforded six previ-ously describedent-abietane diterpenoids, namely 7-oxo-ent-abieta-5(6),8(14),13(15)-trien-16,12-olide (1), mangiolide (2),8,14b:11,12a-diepoxy ...