Table 2.
Major components and minimum bactericidal concentration (MBC) or MIC of EOs that exhibit anti-Legionella pneumophila properties.
| Common name of EO | Latin name of plant source | Major components | Approximate concentration (%) | *MBC100 (MIC) | Reference |
|---|---|---|---|---|---|
| Cinnamon | Cinnamomum osmophloeum | Trans-Cinnamaldehyde Benzenpropanal 4-allylanisole | 91.32 3.18 1.42 |
1000 μg/ml | Chang et al., 2008b |
| Tea tree | Melaleuca alternifolia | Terpinen-4-ol 1,8-Cineole |
42.35 3.57 |
0.5% v/v | Mondello et al., 2009 |
| Juniper | Juniperus phoenicea | Isoborneol 1S-α-Pinene | 20.91 18.30 |
(0.03 mg/ml) | Chaftar et al., 2015b |
| Thyme | Thymus vulgaris | Carvacrol | 88.50 | (0.07 mg/ml) | Chaftar et al., 2015b |
*MBC100: The minimum bactericidal concentration of EO that inactivated at least 99.9% of the bacteria. MICs values are indicated in brackets.