| Compound | Concentration (μg∙cm−3) | Bacterial inhibition zones in mm | ||
| Staphylococcus aureus | Eschirichia coli | Salmonella typhi | ||
| L (Ligand) | 1000 2000 3000 | 07 06 09 | 09 08 07 | 08 10 09 |
| [MnL(H2O)3]∙H2O | 1000 2000 3000 | 09 11 13 | 10 13 18 | 11 13 16 |
| [FeL(H2O)3]∙H2O | 1000 2000 3000 | 11 12 16 | 11 15 18 | 10 15 14 |