International Journal of Medical Sociology and Anthropology
International Journal of Medical Sociology and Anthropology Vol. 10 (4), pp. 001-003, April, 2020. © International Scholars Journals
Antimicrobial activity of leaf extracts of Ocimum gratissimum on selected diarrhoea causing bacteria in southwestern Nigeria
T. T. Adebolu* and Salau Abiola Oladimeji
1Department of Microbiology, Federal University of Technology, Akure, Ondo State, Nigeria.
2Drug Research Unit, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria.
Accepted 13 January, 2020
The antibacterial activity of different extracts from the leaves of Ocimum gratissimum was tested against Staphylococcus aureus, Escherichia coli, Salmonella typhi and Salmonella typhimurium, pathogenic bacteria that cause diarrhea. These extracts evaluated include cold water extract (CWE), hot water extract (HWE) and steam distillation extract (SDE). Only SDE has inhibitory effects on the selected bacteria and the minimum inhibitory concentration (MIC) ranged from 0.1% for S. aureus to 0.01% for E. coli and S. typhimurium, and 0.001% for S. typhi.
Key words: Antibacterial activity, Ocimum gratissimum, diarrhea.
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