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Abstract
The antibacterial activities of thyme (Thymus vulgaris) against some Gram positive isolates such as Staphylococcus aureus and interococcus faecalis were assayed using ethanol extract. The agar-well and paper disc diffusion method were used to determine the inhibitory effect of the thyme leaves on the tested microorganism. The extract produced different zone of inhibition on the tested organism. The ethanol extract had the highest antibacterial effect against interococcus faecalis (21.6±3.51 mm) at 100% and Staphylococcus aureus has the lowest zone of inhibition (21.3±3.2l mm) at 100%, while at 75% Enterococcus faecalis had the highest zone of inhibition (l 7±2.64 mm) and Staphylococcus aureus has the lowest zone of inhibition (12.3±2.5l mm), while at 62% Enterococcus faecalis showed the highest zone of inhibition (12±3.46 mm) while Staphylococcus aureus has the lowest zone of inhibition (11.3±1.52 mm). The ethanol extract had the highest antibacterial effect against Staphylococcus aureus (20.6±4.04 mm) at 87% and Enterococcus faecalis has the lowest zone of inhibition (20.3±1.52 mm) at 87% while at 50% Staphylococcus aureus showed the highest zone of inhibition (6.33±1.15 mm) while Enterococcus faecalis has the lowest zone of inhibition (5±0 mm). Among these isolates, Enterococcus faecalis were highly sensitive to the thyme oil at different percentage (100%, 75%, 62%) while Staphylococcus aureus were little more sensitive to the thyme oil at 87% and 50% using the same solvent (ethanol). The increase in multidrug resistant strains of pathogenic microorganism has led to extensive phytochemical and pharmacological studies of Thymus vulgaris as an important source of medicinal substances which possess antibacterial properties and their effective medicinal application, as well as use in pharmaceutical, food and cosmetic industries
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