| Type of extract/ antibiotic used | Zone of inhibition (mm) | ||||
| Bacillus subtilis | Staphylococcus aureus | Escherichia coli | Pseudomonas putida | Klebsiella pneumoniae | |
| LEAF | |||||
| Ethanol | 7.5 | 8.0 | 6.5 | 7.0 | 11.0 |
| Methanol | 6.0 | 9.0 | 8.0 | 5.5 | 9.0 |
| P. ether | 4.0 | 6.0 | 3.0 | 4.0 | 7.5 |
| Chloroform | 5.0 | 4.5 | 4.0 | 3.0 | 7.0 |
| Aqueous | - | - | - | - | 4.5 |
| STEM | |||||
| Ethanol | 3.5 | 5.0 | 5.0 | 7.0 | 7.5 |
| Methanol | 5.0 | 6.5 | 4.0 | 6.0 | 9.0 |
| P. ether | 4.0 | - | 3.5 | - | 5.0 |
| Chloroform | - | 3.5 | 2.5 | 1.5 | 4.0 |
| Aqueous | - | - | - | - | - |
| ROOT | |||||
| Ethanol | 7.0 | 3.5 | 3.0 | 5.5 | 5.0 |
| Methanol | 2.5 | 4.0 | 4.5 | 1.5 | 3.0 |
| P. ether | - | 4.0 | - | 2.0 | 3.5 |
| Chloroform | 4.5 | 2.5 | 3.0 | 3.5 | - |
| Aqueous | - | - | - | - | - |
| STANDARD ANTIBIOTICS | |||||
| Tetracycline | 12.5 | 9.0 | 9.5 | 10.5 | 9.5 |
| Erythromycin | 9.0 | 8.5 | 8.0 | 7.5 | 5.0 |
| Ampicillin | 11.0 | 10.5 | 8.5 | 5.0 | 8.0 |