Antimicrobial Activity of the Crude Ethanolic Extract of Carrichtera annua DC. Collected from Sinai, Egypt

Carrichtera annua a plant belonging to family Brassicaceae was selected be evaluated for its antimicrobial activity against number of microorganisms. The powdered extracted with ethanol until exhaustion. concentrated extract tested fungi, gram positive and gram-negative bacteria. results revealed that the showed significant promising towards Aspergillus fumigatus, Proteus vulgaris, Enterococcus faecalis Staphylococcus aureus inhibition zones equal 17, 15, 13 11 mm. respectively. However, it displayed weak on Bacillus subtilis Klebsiella pneumonia. In contrast, inactive Candida albicans, Trichophyton rubrum, cereus, Methicillin-Resistant (MRSA), Salmonella typhimurium, Escherichia coli Pseudomonas aeruginosa. Additionally, minimum inhibitory concentration (MIC) determined illustrated that, most susceptible organisms C. were fumigatus vulgaris MIC 2.5 mg/mL 5 Therefore, could considered as source effective agent.