Greener Journal of Microbiology and Antimicrobials

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Samaila et al

Greener Journal of Microbiology and Antimicrobials Vol. 3 (1), pp. 001-007, March 2017.

 ISSN: 2354-2284 

Research Paper

Manuscript Number: 012517009



Antimicrobial Activity of the Leaf and Root Extracts of Kigelia africana and Albizia chevalieri against Staphylococcus aureus


Samaila A.B.1*, Yarma A.A.2, Oshomoh E.O.3 and Gabriel M.1


1Department of Biological Sciences, Abubakar Tafawa Balewa University, PMB 0248, Bauchi State, Nigeria.

2Yarma Memorial Hospital Gombe, Gombe State, Nigeria.

3Department of Science Laboratory Technology, Faculty of Life Sciences, University of Benin, Edo State, Nigeria.


The investigation was carried out to determine the antimicrobial activity of the Leaf and Root extracts of Kigelia africana (nonon giwa) and Albizia chevalieri (katsari) against Staphylococcus aureus. Antimicrobial activity was evaluated by disc diffusion method and MIC and MBC were calculated by double fold dilution method. The antimicrobial activity result shows 20mm zone of inhibition Kigelia africana leaf at 100% concentration and 16mm zone of inhibition for albezia chevalieri leaf at same concentration while for the roots 14mm and 11mm zone of inhibition at 100% concentration. The maximum inhibition zone is found at 20mm and minimum inhibition zone at 11mm. Also the antimicrobial result shows the MIC of 6.25mg/ml against Staphylococcus aureus and MBC of 12.5mg/ml and 10.5mg/ml for both extracts. The study reveals that the extracts possess antimicrobial activity in a dose dependent manner. This antimicrobial activity may be due to the presence of some active compounds, further studies are highly needed for the drug development.


Keywords: Antimicrobial, Leaf, Root extracts, Kigelia Africana, Albizia chevalieri, Staphylococcus aureus.

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