Figure 1.
Determination of the antimicrobial activity of clove essential oil against Escherichia coli, Pseudomonas aeruginosa, and Staphylococcus aureus by the disk diffusion method.1A-F; a,b Means with different uppercase (bacteria) or lowercase (oil concentration) letters differ significantly (P < 0.05). Abbreviations: C+, positive control (30 μg of chloramphenicol); C−, negative control (5% DMSO); DMSO, dimethyl sulfoxide. 1Results are expressed as the mean diameter of the inhibition halos in millimeters (mm) for each concentration of clove oil (%) tested.