Table 3.
Antibacterial activity of EOs against Haemophilus spp. and M. catarrhalis by broth macrodilution
| Essential oil | H. influenzae | H. parainfluenzae | M. catarrhalis | |||
|---|---|---|---|---|---|---|
| MIC | MBC | MIC | MBC | MIC | MBC | |
| Cinnamon bark | 0.06 | 0.13 | 0.06 | 0.13 | 0.10 | 0.20 |
| Thyme | 0.11 | 0.22 | 0.11 | 0.22 | 0.09 | 0.18 |
| Clove | 0.25 | 0.50 | 0.25 | 0.50 | 0.25 | 0.50 |
| Peppermint | 0.21 | 0.43 | 0.21 | 0.43 | 0.35 | 0.70 |
| Citronella | 0.21 | 0.42 | 0.11 | 0.21 | 0.11 | 0.21 |
| Eucalyptus | 1.41 | 2.81 | 0.70 | 1.41 | 2.81 | 5.64 |
| Scots pine | 1.35 | 2.70 | 0.34 | 0.68 | 0.34 | 0.68 |
MIC minimum inhibitory concentration, MBC minimum bactericidal concentration (in mg/mL)