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Full-Text Articles in Life Sciences

Phytochemical Analysis And Biological Activities Of Cola Nitida Bark, Durand Dah-Nouvlessounon, Mamoudou H. Dicko Prof., Lamine Baba-Moussa Jan 2015

Phytochemical Analysis And Biological Activities Of Cola Nitida Bark, Durand Dah-Nouvlessounon, Mamoudou H. Dicko Prof., Lamine Baba-Moussa

Pr. Mamoudou H. DICKO, PhD

The aim of this study is to investigate some biological effects of Cola nitida’s bark after phytochemical screening. The bark was collected, dried, and then powdered for the phytochemical screening and extractions. Ethanol and ethyl acetate extracts of C. nitida were used in this study. The antibacterial activity was tested on ten reference strains and 28 meat isolated Staphylococcus strains by disc diffusionmethod. The antifungal activity of three fungal strains was determined on the Potato-Dextrose Agar medium mixed with the appropriate extract. The antioxidant activity was determined by DPPH and ABTS methods. Our data revealed the presence of various potent …


Chemical Composition And Antimicrobial Activity Of Cymbopogon Citratus And Cymbopogon Giganteus Essential Oils Alone And In Combination, Aline Lamien-Meda, Balé Bayala, Clément L. Obamé, André J. Ilboudo, Christian Franz, J Novak, Roger C. Nebié, Mamoudou H. Dicko Prof. Sep 2011

Chemical Composition And Antimicrobial Activity Of Cymbopogon Citratus And Cymbopogon Giganteus Essential Oils Alone And In Combination, Aline Lamien-Meda, Balé Bayala, Clément L. Obamé, André J. Ilboudo, Christian Franz, J Novak, Roger C. Nebié, Mamoudou H. Dicko Prof.

Pr. Mamoudou H. DICKO, PhD

As part of ongoing research on the chemical composition and the antimicrobial properties of Burkinabe plants essential oils alone and in combination, essential oils (EOs) from leaves of Cymbopogon citratus and Cymbopogon giganteus from Burkina Faso were analyzed by GC–FID and GC–MS. Five constituents, which accounted for 96.3% of the oil, were identified in the EO of C. citratus. Geranial (48.1%), neral (34.6%) and myrcene (11.0%) were the major constituents. For C. giganteus a total of eight compounds were identified which represented 86.0% of the oils extracted. The dominant compounds were limonene (42%) and a set of monoterpene alcohols: trans-p-mentha-1(7),8-dien-2-ol …