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| Comparison of the Antibacterial Activity of Selected Plants Oils and Extracts |
Saleh Mohamed Alhawari, Ali M Almashgab, Esam Bashir Yahya
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Abstract:
The antibacterial effects in vitro were evaluated from selected plants oils and aqueous extracts. Different concentrations are used on three bacterial strains: Staphylococcus aureus, Escherichia coli and Pseudomonas aeruginosa. Screening for the antibacterial activity among the oils, only cinnamon and cloves oils possess strong activity, and the inhibitory power seems to be proportional to the concentration. All the bacterial isolates were susceptible to both plant oil and extract of clove, and only for the oil of cinnamon. We noted that E. coli seems to be more sensitive among other strains to the effect of the cinnamon oil with the highest inhibition zone of 30 mm. Clove oil and extract seemed to have similar antibacterial effect against the three tested bacteria.
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