Table 3.
Reduction (%) of L. monocytogenes biofilms grown in polystyrene microtiter plate wells at 15 °C and 37 °C in TSB, MB, and LB broth with selected essential oils.
| Strains | Growth Medium and Temperature | Essential Oils | ||||
|---|---|---|---|---|---|---|
| Oregano | Thyme | Cinnamon | Winter Savory | Clove | ||
| L1 | TSB 37 °C | 51.72 a | 69.25 d | 57.16 ab | 64.92 cd | 61.44 bc |
| L1 | MB 37 °C | 56.72 ab | 53.76 a | 59.20 bc | 62.64 c | 55.57 ab |
| L5 | TSB 37 °C | 62.41 ab | 58.06 a | 59.70 a | 66.01 b | 64.76 b |
| L5 | TSB 15 °C | 69.72 c | 66.32 b | 59.63 a | 66.05 b | 67.54 bc |
| L5 | MB 37 °C | 46.58 b | 32.61 a | 42.90 b | 42.03 b | 41.02 b |
| L5 | LB 15 °C | 78.62 b | 66.82 a | 77.85 b | 78.62 b | 76.75 b |
| L17 | TSB 37 °C | 42.87 ab | 38.98 a | 44.01 ab | 51.64 b | 41.35 a |
| L17 | MB 37 °C | 43.88 a | 46.86 ab | 51.28 b | 44.44 ab | 48.57 ab |
| L18 | TSB 37 °C | 44.38 a | 41.24 a | 38.63 a | 40.77 a | 42.46 a |
| UB2-01-2 (1) | TSB 37 °C | 55.19 a | 54.32 a | 58.77 ab | 58.04 a | 63.31 b |
Values within the same row marked with different letters (a, b, c, d) in superscript indicate statistically significant differences (p < 0.05).