Antibacterial activity of green tea extract against Staphylococcus aurous isolates.

Shaima'a Al salihy, Taghreed Al mahbobi, Haythem Alsayigh


 The aim of the present study was the evaluation of the antibacterial activity of green tea extract on isolates of S. aurous. A total of 26 isolates were collected from different clinical specimens (burns, wounds, nasal , teeth, and skin swabs, ear discharge and sputum) at  Medical City Hospital / Baghdad during the period of 2012to 2014. The susceptibilities of isolates to different antibiotics were tested by using disc diffusion method. Antibacterial activity of green tea extract was measured by MIC and MBC. Fifteen isolates (57.7 %)  were MDR since they showed resistance to different types of antibiotics. The inhibition zone of green tea extract ranged between 7.5mm to 16 mm. the averages of MICs and MBCs were 4 and 5 mg/ml, respectively. The present study suggest that green tea extract has shown inhibitory effect on the growth of multidrug resistant Staph aureus.

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