Génomique et biologie fongiques
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Antimicrobial Activities of Moringa oleifera and Psidium guajava against Bacterial and Fungal Strains

Namla Djadjiti, Moubarak A Aziz, Onyemata K Esther, Senol Dane

Introduction: Moringa oleifera and Psidium guajava could be a potential candidate for the development of new strategies to treat bacterial infections. In the present study, the antimicrobial activities of their leaf extracts in the dry and rainy seasons against some bacteria and fungus species were studied.

Materials and methods: Three strains of bacteria and one strain of fungi were Escherichia coli, Salmonella typhi, Staphylococcus aureus, Candida albicans and Aspergillus Niger . They were collected from the Microbiology Laboratory of Nile University of Nigeria. Extractions of ethanol, methanol, and aqueous leaf extracts were prepared. The media used was Mueller Hinton Agar.

Results: Both Moringa oleifera and Psidium guajava leaf extracts have both antibacterial and antifungal properties. Their antibacterial and antifungal activities were more in the rainy season than in the dry season.

Conclusion: The results of the present study show that Moringa oleifera and Psidium guajava leaf extracts have both antibacterial and antifungal properties. Their usage or consumption should be advised in especially in rainy season compared to in dry season because their antibacterial and antifungal activities were more in the rainy season than in the dry season.