Browsing Journal Articles by Author "Cosam, C. Joseph"

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Antimosquito and Antimicrobial Clerodanoids and a Chlorobenzenoid from Tessmannia species

Kihampa, Charles; Nkunya, Mayunga H.H.; Cosam, C. Joseph; Magesa, Stephen M.; Hassanali, Ahmed; Heydenreich, Matthias (Natural Product Communications, 2010)

In our previous paper [1] we reported the isolation,structural determination, insect repellency and antimicrobial activity of nor-halimanoid diterpenes and some other compounds from Tessmannia densiflora.In continuation ...
Growth disruption activity of polar extracts from Kotschya uguenensis (Fabaceae) against Anopheles gambiae s.s. (Diptera: Culicidae) larvae

Ester, Innocent; Cosam, C. Joseph; Nicholas, K. Gikonyo; Mayunga, H.H. Nkunya; Ahmed, Hassanali (Institute of Traditional Medicine,Muhimbili University of Health and Allied Sciences,ICIPE, 2008)

Studies on the larvicidal properties of extracts and fractions from Kotschya uguenensis Verdc. were done by long-term exposure of Anopheles gambiae s.s. larvae. The cumulative mean percentage mortalities and deformities ...
Mosquito larvicidal constituents from Lantana viburnoides sp viburnoides var kisi (A. rich) Verdc (Verbenaceae)

Ester, Innocent; Mainen, J. Moshi; Cosam, C. Joseph; Nicholus, K. Gikonyo; Mayunga, H.H. Nkunya; Ahmed, Hassanali (Institute of Traditional Medicine, Muhimbili University of Health and Allied Sciences,ICIPE, 2008)

Background & objectives: Lantana viburnoides sp viburnoides var kisi is used in Tanzania ethnobotanically to repel mosquitoes as well as in traditional medicine for stomach ache relief. Bioassay-guided fractionation and ...

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Browsing Journal Articles by Author "Cosam, C. Joseph"

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