Table 3.
Minimum Inhibitory Concentrations (MIC, µL/mL) of C. capitatus and O. hirtum EOs and HYs against sixteen L. monocytogenes strains after 48 h of incubation at 37 °C.
| Strain | EOs | HYs | ||
|---|---|---|---|---|
| CEO | OEO | CHY | OHY | |
| ATCC 19114 | 1.25 | 2.5 | 125 | 125 |
| LM1 | 10.0 | 10.0 | 125 | 500 |
| LM2 | 10.0 | 10.0 | 125 | 500 |
| LM4 | 5.0 | 10.0 | n.e. 1 | 250 |
| LM6 | 2.5 | 2.5 | 250 | 250 |
| LM12 | 10.0 | 10.0 | 125 | 500 |
| LM13 | 2.5 | 2.5 | 500 | 500 |
| LM17 | 1.25 | 0.625 | 250 | 125 |
| LM19 | 0.625 | 1.25 | 250 | 250 |
| L315 | 1.25 | 2.5 | 125 | 125 |
| L253 | 2.5 | 0.625 | 250 | 250 |
| L317 | 0.625 | 0.3125 | 250 | 125 |
| L291 | 0.625 | 0.625 | 500 | 250 |
| L239 | 0.3125 | 0.3125 | 250 | 125 |
| L368 | 5.0 | 10.0 | 250 | 125 |
| L3 | 1.25 | 1.25 | 500 | 500 |
1 n.e: not effective at the tested concentration. Each value is the mean of three replicates. EOs, essential oils; HYs, hydrolates; CEO, C. capitatus essential oil; OEO, O. hirtum essential oil; CHY, C. capitatus hydrolate; OHY, O. hirtum hydrolate.