Table 2. Zone of Inhibition of Gram-Positive and Gram-Negative Bacteria Using Different Concentrations of the Aqueous Leaf Extract and Cp-AgNPs.
| test sample | conc. (μg/mL) | zone of inhibition S. aureus (mm) | zone of inhibition S. typhi (mm) |
|---|---|---|---|
| aqueous leaf extract | 50 | 10 ± 0.5 | 12 ± 0.2 |
| 75 | 12 ± 0.3 | 14 ± 0.4 | |
| 100 | 13 ± 0.6 | 15 ± 0.5 | |
| 150 | 15 ± 0.4 | 18 ± 0.7 | |
| biosynthesized Cp-AgNPs | 20 | 11 ± 0.4 | 15 ± 0.2 |
| 50 | 14 ± 0.3 | 17 ± 0.5 | |
| 75 | 18 ± 0.4 | 20 ± 0.6 | |
| DMSO | 10 | 21 ± 0.5 | 24 ± 0.4 |