Differential Antibacterial Activity of the Various Crude Leaf Extract of Eucalyptus Offensiveness Against Selected Pathogenic Bacterial Strains
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چکیده
The antibacterial activities of Eucalyptus officinalis extracts were studied. The antibacterial efficiency of the above mentioned plant was evaluated according to agar diffusion and broth dilution methods by using Escherichia coli, Staphylococcus aureus, Streptococcus pneumoniae, Proteus mirabilis and Pseuomonas aeruginosa clinical isolates and typed cultures. The most susceptible bacteria were E. coli followed by S. aureus while the most resistant bacteria were Pseud. aeruginosa followed by P. mirabilis and Strept. Pneumoniae. From the screening experiment, the hot water extract produced the highest inhibitory effect 17.22+0.14 and 17.63+0.06 against the clinical isolated and typed culture respectively, hence this plant can be further subjected to isolation of the therapeutic antimicrobials and pharmacological evaluation.
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