Table 5 Antibacterial activity of cinnamon bark, thyme, clove, peppermint, citronella, eucalyptus, and scots pine oils by vapor phase test
Essential oil | S. pyogenes | S. pneumoniae | S. mutans | H. influenzae | H. parainfluenzae | M. catarrhalis |
|---|---|---|---|---|---|---|
MIC | ||||||
Cinnamon bark | 75 | 75 | 90 | 15.62 | 15.62 | 25 |
Thyme | 125 | 90 | 250 | 25 | 31.25 | 50 |
Clove | 225 | 150 | 500 | 90 | 150 | 125 |
Peppermint | 250 | 90 | 375 | 50 | 75 | 31.25 |
Citronella | 125 | 50 | 250 | 50 | 62.5 | 25 |
Eucalyptus | > 1500 | 1200 | > 1500 | 125 | 200 | 225 |
Scots pine | > 1500 | > 1500 | > 1500 | 500 | > 1500 | > 1500 |