Abstract
Bacterial resistance develops due to overuse of antibiotics in addition to the adverse effects of these chemicals. This urges the scientists to exchange these antibiotics with alternatives from natural products. The study aimed to evaluate the antimicrobial efficiency of Arum cyrenicum Hruby against a number of medically important pathogenic bacteria. A. cyreniacum corms extracted with petroleum ether, chloroform and methanol, and tested for antimicrobial activity against Escherichia coli BTC3, Salmonella typhi BTC10, Pseudomonas aeruginosa BTC4, and Staphylococcus aureus BTC15. A considerable bactericidal efficiency of petroleum ether extract of A. cyrenaicum corms were specifically against gram-positive bacteria, Staphylococcus aureus BTC15 at (100 mg/ml) petroleum ether and bacteriostatic at (50 mg/ml) of petroleum Ether extract. Whereas, the methanolic extract of A. cyrenaicum corms had bactricidal effect against gram-negative bacteria, Pseudomonas auregenosa BTC4 at (100mg/ml) of methanolic extract. Herby our results indicate that petroleum ether and methanolic extracts of A. cyrenaicum possess significant antibacterial properties. Keywords: Arum cyrenicum, Efficiency, Antibacterial
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