Abstract
This study was designed to investigate the ability of methanol and n-hexane extracts of fruit casings of Quercus rubra against pathogenic bacteria isolated from patients with burn infection. Three concentrations of methanol and n-Hexane extracts of Quercus rubra were done (100, 200 and 400) mg/ml. Thirty eight samples were collected from Medical Burn Center in Najaf Governorate. Males and females in different age groups. The results indicated that there were 42% pseudomonasaeroginosa, 22% Staphylococcusaureus, 18% Klebsiellapneumonia, 8% E. coli, 6% Staphylococcusepedermsis and 4% proteusmiribilis. Seventeen antibiotics were selected in antibiotics sensitivity test. Imipenem 10mg was the best antimicrobial effect. The results showed that all three concentrations had good antibacterial effect. It has also been shown that methanol solvent is more effective on bacteria than n-hexane solvent. Also, the results showed that P. aeroginosa and S. auereu has the highest rate of inhibition diameter with methanol solvent (38.123 ± 0.07 and 35.133 ± 0.092) mm respectively. While K. pnemeumonia was the highest rate of inhibition diameter by n- hexane solvent 32.4 ± 0.07 mm. Methanol and n-hexane extracts of Quercus rubra can be regarded as a potential antibacterial against aerobic pathogenic bacteria isolated from patients with burn infection. Therefore, Fruit casings of Quercus rubra may be considered as a raw material for the manufacture of ointment for treatment of burns infections.
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