The in-vitro antimicrobial activities of some medicinal plants from Cameroon

Annals of Tropical Medicine and Parasitology
J Gangoué-PiébojiB Bodo

Abstract

The antimicrobial activities of 10 plant species (Voacanga africana, Crepis cameroonica, Plagiostyles africana, Crotalaria retusa, Mammea africana, Lophira lanceolata, Ochna afzelii, Ouratea elongata, Ou. flava and Ou. sulcata), each of which is currently used in the traditional medicine of Cameroon, were investigated in vitro. The activities of a methanol extract of each plant were tested, in disc-diffusion assays, against 37 reference or laboratory strains of seven species of microorganism (Staphylococcus aureus, S. epidermidis, Enterococcus hirae, Escherichia coli, Klebsiella pneumoniae, Pseudomonas aeruginosa and Candida albicans). The minimal inhibitory concentrations of each extract were then estimated, against each of the more susceptible microorganisms (i.e. those giving an inhibition zone measuring at least 9 mm in diameter in the disc-diffusion assays), by agar dilution. Although, in the disc-diffusion assays, each of the 10 methanol extracts investigated displayed some degree of antimicrobial activity against at least one species of microorganism, no activity against the Gram-negative bacteria (Es. coli, K. pneumoniae and Ps. aeruginosa) was observed. The extract with the greatest antimicrobial activity was that of P...Continue Reading

Citations

Feb 12, 2009·Pakistan Journal of Biological Sciences : PJBS·M F FareedS A Rabeh
Aug 14, 2012·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·C M LonchelP De Mol
Jan 24, 2009·Epilepsy & Behavior : E&B·E Ngo BumS V Rakotonirina
Jan 16, 2007·Phytotherapy Research : PTR·Joseph Gangoué-PiébojiMoreno Galleni
Jul 17, 2015·Journal of Applied Microbiology·S Jal, S S Khora
Mar 8, 2013·African Journal of Laboratory Medicine·Souleymane SanonSodiomon B Sirima

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