| Essential oil (ppm) | Gentamicin | |||
| Microorganism | 10000 | 1000 | 100 | 10 µg/ml |
| Salmonella typhi | 20.00 ± 0.0 | 18.5 ± 2.12 | nil | 16.8 ± 2.0 |
| P. aeruginosa | 18.5 ± 2.12 | 18.0 ± 0.6 | nil | 15.8 ± 2.0 |
| Proteus mirabilis | nil | nil | nil | 10.0 ± 0.0 |
| Bacillus cereus | nil | nil | nil | 10.8 ± 2.0 |
| Bacillus subtilis | nil | nil | nil | 10.8 ± 2.0 |