10.22376/ijpbs.2019.10.1.p1-12 Volume 6 Issue 1 2015 (January - March) Phytochemical quantification and analysis of antimicrobial activities of lessThan i greaterThan Acacia nilotica lessThan /i greaterThan from 12 different locations in Bihar, Uttar Pradesh and Madhya Pradesh were performed against lessThan i greaterThan E. coli, P. aeruginosa, S. aureus lessThan /i greaterThan and lessThan i greaterThan B. subtilis lessThan /i greaterThan . Our data suggests that out of all eight phytochemicals tested, bark of the plant contained variety of compounds in comparison to leaves. Out of our 12 samples, almost all of the plant extracts were found effective against all of the pathogens selected in the study. ASHISH KUMAR GUPTA Acacia nilotica, antimicrobial properties, pathogens, E. coli, S. aureus 585-592