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Table 3 Antibacterial activity of EOs against Haemophilus spp. and M. catarrhalis by broth macrodilution

From: Antibacterial activity evaluation of selected essential oils in liquid and vapor phase on respiratory tract pathogens

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
  1. MIC minimum inhibitory concentration, MBC minimum bactericidal concentration (in mg/mL)