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Abstract
This study was aimed to investigate the antimicrobial activities of extracts of leaves of Acacia nilotica against four standard bacterial strains and one species of fungi (V12 Escherichia Coli (ATCC 25922), Pseudomenas aeruginosa (ATCC 27853), Klebsiella spp, proteus vulgains (ATCC 6380). As well as, we examined the susceptibility of clinical isolates belonging to seven bacterial general and one species of fungi to the same tested extracts. The ager well diffusion method was followed to detect the susceptibility of both standard strains and clinical isolates to different extract of the plant. The minimum inhibitory concentration (MIC) of extracts was determined, extract of Acacia nilotica SSP exhibit potent antimicrobial activity against standard strains and their clinical isolates of Escherichia Coli, proteus spp using the ager dilution methods. Ethanolic and aqueous, Pseudomonas aeruginosa. Minimum inhibitory concentration of ethanolic extracts ranged from 6.25– 12.5mg/ml to all tested isolates.
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