IN VITRO ANTIMICROBIAL AND
PHYTOCHEMICAL ACTIVITIES OF ACACIA
NILOTICA LEAF EXTRACT.
*SOLOMON- WISDOM, G. O AND SHITTU, G. A.
DEPARTMENT OF BIOLOGICALSCIENCES
UNIVERSITY OF ABUJA ABUJA, NIGERIA
The in vitro antimicrobial and phytochemical activities of the crude ethanolic
leaf extract of Acacia nilotica on Campylobacter coli isolated from goats in
Gwagwalada Abattoir was investigated. Hydrolysable tannins, saponin, saponin
glycosides, volatile oils, phenols, triterpenes, flavonoids and alkaloid were
present in the extract. Minimum inhibitory concentration was 70 mg/ml of the
extract related to standardized bacteria colony of 3 x 108 organisms
per mL. The highest zone of inhibition was observed with the 70 mg/ml
concentration, following isolation and inoculation of test organisms on Muller
Hinton Agar incubated at 37oC for 24 hours. The basis of this plant
extract in the traditional treatment of diarrhea in human is highlighted.
Acacia nilotica, antimicrobial activity, chemical constituents, campylobacter
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