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The present study was undertaken with an objective to investigate the antistreptococcus spp. potentials of both clove flowers and thyme leaves alcoholic extracts prepared in different concentrations (25 , 50 & 100 mg/ml) and compared their activity with effectiveness of standard reference antibiotic (Ciprofloxacin (5µg) , Ampacillin (30µg) , Cloxacillin (30µg) by measuring the zones of inhibition produced after incubation on Muller-Hinton agar . The agar well diffusion method was used for this purposes. The result indicated that the two plants extracts inhibition significantly the growth of streptococcus with vary degree depends on the plant type & used concentration. The ethanolic extract of the Clove flowers showed more therapeutic effect (14.33 – 36.33) mm in diameter on the tested bacteria while ethanolic extract of Thyme leaves displayed little inhibitory activity between (10.33 – 16.18) mm compared with the activity of standard reference antibiotic ciprofloxacin , ampacillin & cloxacillin (22 , 15.33 , 22.21 mm) respectively. As well as the current study indicated that the zone of inhibition on the tested bacteria increased significantly ( p ? 0.05) as the concentration of both plant extracts increased.
[Ali Mohammed Ghazi Al-Mohana and Bahaa Amen Abd-Al Hussein (2014); Antibacterial potential of Clove & Thyme extracts against Streptococcus spp. In culture media Int. J. of Adv. Res. 2 (2). 0] (ISSN 2320-5407). www.journalijar.com
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