Table 3.

Antimicrobial activity of Indigofera trita L. (petroleum ether, chloroform, acetone, ethanol and aqueous extracts)

			Zone of inhibition in mm
Name of the organisms	Standard antibiotic mcg/disc	Zone in mm	Petroleum ether extract	Chloroform extract	Acetone extract	Ethanol extract	Aqueous extract
			Mean ± SEM	Mean ± SEM	Mean ± SEM	Mean ± SEM	Mean ± SEM
Staphylococcus aureus	Amoxycillin (30)	28	14.40 ± 1.16	11.00± 0.44	13.40± 0.67	12.00 ± 0.00	13.20 ± 0.96
Staphylococcus epidermidis	Cloxacillin (5)	28	14.20 ± 1.06	14.20± 0.80	18.20± 1.62	18.60 ± 0.87	13.80 ± 0.37
Streptococcus mutans	Amoxycillin (30)	28	12.20 ± 1.46	11.60 ± 0.24	10.40 ± 0.24	10.40 ± 0.67	11.00 ± 0.00
Escherichia coli	Gatifloxacin (5)	30	12.00 ± 0.00	11.20 ± 0.20	11.20 ± 0.37	11.60 ± 0.24	11.00 ± 0.31
Klebsiella pneumoniae	Gatifloxacin (5)	20	10.00 ± 0.00	10.8 0± 0.37	10.60 ± 0.40	11.40 ± 0.24	11.40 ± 0.24
Enterobacter aerogenes	Gatifloxacin (5)	22	11.00 ± 0.00	11.40 ± 0.40	12.00± 0.00	12.00 ± 0.00	12.00 ± 0.00
Proteus mirabilis	Levofloxacin (5)	19	11.20 ± 0.20	10.40 ± 0.24	10.40 ± 0.24	11.20 ± 0.37	10.20 ± 0.20
Proteus vulgaris	Levofloxacin (5)	21	12.00 ± 0.00	-	11.00 ± 0.44	09.40 ± 0.60	11.00 ± 0.31
Salmonella typhi	Chloramphenicol (30)	22	12.00± 0.00	11.40 ± 0.24	10.80 ± 0.37	12.40 ± 0.40	09.20 ± 0.48
Salmonella paratyphi A	Chloramphenicol (30)	23	12.80 ± 0.48	12.00 ± 0.00	15.40 ± 1.50	14.60 ± 0.60	12.20 ± 0.73
Salmonella typhimurium	Chloramphenicol (30)	24	11.60 ± 0.24	12.60 ± 0.24	14.60 ± 0.81	12.00 ± 0.00	11.20 ± 0.20
Salmonella infantis	Chloramphenicol (30)	19	11.2 0± 0.20	11.60 ± 0.24	13.80 ± 0.37	12.00 ± 0.00	11.20 ± 0.20
Salmonella enterica	Chloramphenicol (30)	20	10.20 ± 0.20	11.00 ± 0.00	12.00 ± 0.77	11.60 ± 0.24	11.00 ± 0.63
Salmonella brunei	Chloramphenicol (30)	21	11.80 ± 0.20	12.00 ± 0.00	10.80 ± 0.48	10.60 ± 0.40	08.20 ± 0.48
Pseudomonas aeruginosa	Amikacin (30)	20	11.00 ± 0.31	10.80 ± 0.37	10.80 ± 0.48	10.60 ± 0.24	10.60 ± 0.40
Burkholderia cepacia	Amikacin (30)	22	12.00 ± 0.00	10.80 ± 0.37	11.60 ±0.24	11.60 ± 0.24	10.80 ± 0.37
Vibrio parahaemolyticus	Tetracycline (30)	23	10.80 ± 0.20	10.00 ± 0.89	10.40 ± 0.24	08.80 ± 0.48	10.00 ± 0.63
Haemophilus parahaemolyticus	Tetracycline (30)	29	10.80 ± 0.37	10.80 ± 0.37	11.60 ± 0.24	11.60 ± 0.67	12.00 ± 0.31
Yersinia enterocolitica	Ticarcillin (75)	22	11.80 ± 0.20	12.00 ± 0.00	13.00 ± 0.44	13.40 ± 0.24	12.20 ± 0.20
Candida albicans	Nystatin (100)	20	11.00 ± 0.44	10.60 ± 0.24	10.80 ± 0.37	10.00 ± 0.00	10.60 ± 0.24
Cryptococcus neoformans	Ketoconazole (10)	21	10.20 ± 0.20	10.20 ± 0.24	10.60 ± 0.24	10.00 ± 0.00	10.40 ± 0.24