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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)