Table 4. Antimicrobial activities for selected EOs.
Essential oil | Mean a | Standard Deviation | Mean MIC a,b | Mean MBC a,b | MIC50 b | MBC50 b | MIC90 b | MBC90 b |
---|---|---|---|---|---|---|---|---|
Teatree | 12.4 | 1.8 | 1.9 | 3.8 | 2 | 4 | 2 | 8 |
Lemongrass | 14.0 | 3.0 | 0.7 | 2.2 | 0.5 | 2 | 1 | 4 |
Lavender | 10.4 | 1.5 | 1.5 | 7.1 | 2 | >8 | 2 | >8 |
Marjoram | 12.0 | 2.0 | 1.8 | 2.7 | 2 | 2 | 4 | 4 |
Rosewood | 15.1 | 3.0 | 0.5 | 1.3 | 0.5 | 2 | 1 | 4 |
Peppermint | 12.5 | 2.7 | 1.4 | 5.2 | 2 | 8 | 2 | >8 |
a) Mean of 51 clinical and 6 control strains.
b) Minimum inhibitory and bactericidal concentrations (% v/v)