Effets de l’extrait aqueux de Mentha piperita L. et de Rosmatinus officinalis. L chez E. coli responsable d’infections urogénitales.

Abstract

This work is interested in the valuation of medicinal plants (Rosmarinus officinalis.L and Mentha x pepirita. L) growing spontaneously in the regions of the country in particular the wilaya of Mostaganem. The study consists of evaluating the antimicrobial effects of these extracts against a pathogenic microorganism (Escherichia coli) that is responsible for women's urogenetal infections. The extraction of the bioactive compounds was carried out using distilled water. Measurements and controls carried out in triple tests concerned; (Growth tests, disk diffusion test, minimal inhibitory concentration (MIC) and minimal bactericidal concentration (CMB). In a general way, the pure water extracts of Rosmarinus officinalis. L showed antimicrobial activity approximate to Gentamicin known as a broad spectrum antibiotic. This study shows that the aqueous extracts have bactericidal effect against Escherichia coli.