Study The Effect of Alcoholic and Aqueous Extract of Myrtus comminus L. Leaves and Potontials Tomentilla L. Roots on Growth of Some Gram- Negative Bacteria Species That Causing Diarrhea

Abstract

The study aimed to evaluate inhibitory effectiveness of alcoholic and aquecus extracts of myrtus communis leaves and Potontials tomentilla roots on growth of some clinically important bacterial species that causing diarrhea. The results study showed that these extracts an impact is effective in inhibiting the growth of bacterial species used in the study outside the body . the results showed that 100 mg/ ml concentration of aqueous extract of myrtus communis leaves and the same concentration of alcoholic and aqueous extract of Potontials tomentilla roots has more inhibitory effect on growth of Proteus vulgaris where inhibition diameters reached (28,24,26) mm respectively . as for antibiotic effect 5mg/ ml of Ciproflxacin overcome all concentration of extracts of both plant in the inhibition of bacterial species growth used in the study .