In Vitro Antimicrobial Activity of Some Medicinal Plants against Human Pathogenic Bacteria

Table 3

Diameter of zones of inhibition (mm) of plant extracts against microorganisms at 50mg/ml concentration.

Test organism	Plant extract
	O. corniculata	C. tamala	A. adenophora	A. vulgaris
E.coli	17	-	-	-
S. aureus	-	10	10	10
MRSA	-	-	12	10
S. Typhi	13	-	13	-
MDR S. Typhi	16	-	-	-
P. aeruginosa	-	-	-	-
K. pneumoniae	11	-	-	-
MDR C. koseri	12	-	-	-
Rhizopus spp	-	-	11	-
A. niger	-	-	-	-
A. flavus	-	-	-	-
C. albicans	-	-	-	-
E. coli ATCC 25922	15	-	-	-
S. aureus ATCC 25923	-	10	10	10

(-): no antimicrobial activity.