Concentration, mg/ml | Gram-positive organism | Gram-negative organism | |||
---|---|---|---|---|---|
Staphylococcus aureus | Bacillus subtilis | Pseudomonas aeruginosa | Escherichia coli | Salmonella typhi | |
0.25 | 10.50 ± 0.50 | 7.00 ± 0.50 | 8.33 ± 0.29 | 7.50 ± 0.50 | 6.50 ± 0.50 |
0.50 | 11.17 ± 0.29 | 8.17 ± 0.29 | 10.00 ± 0.50 | 9.17 ± 0.29 | 8.00 ± 0.50 |
0.75 | 12.50 ± 0.50 | 10.67 ± 0.58 | 12.00 ± 0.50 | 11.17 ± 0.29 | 10.00 ± 0.50 |
1.00 | 15.17 ± 0.58 | 12.67 ± 0.76 | 13.33 ± 0.76 | 12.67 ± 0.58 | 11.50 ± 0.50 |
Standard (ampicillin) | 12.67 ± 0.29 | 25.33 ± 0.76 | 21.33 ± 0.76 | 20.50 ± 0.87 | 23.50 ± 0.50 |
0.01 M AgNO3 | 7.67 ± 0.58 | 6.83 ± 0.29 | 7.33 ± 0.29 | 8.17 ± 0.58 | 7.50 ± 0.50 |
Negative control | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |