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Replication index of cultures exposed for 3 h to Origanum majorana essential oil.
| Substance | Concentration | Replication factor (mean ± S.D.) | Replication index (%) |
|---|---|---|---|
| NCa | — | 0.809 ± 0.012 | 100 |
| Essential oil | 0.0005 μL/mL | 0.823 ± 0.027 | 102 |
| 0.005 μL/mL | 0.800 ± 0.035 | 99 | |
| 0.05 μL/mL | 0.126 ± 0.028 | 15 | |
| 0.5 μL/mL | 0 ± 0 | 0 | |
| 5 μL/mL | 0 ± 0 | 0 |
aNegative control: DMSO (0.5%).
