TABLE 4.
Capability of E. gunnii and L. petersonii EOs to inhibit the formation of biofilm.
| Inhibition biofilm (% ± SD) | ||||||||
| 0.01 μg/mL | 0.02 μg/mL | 0.05 μg/mL | 0.1 μg/mL | 0.2 μg/mL | 0.5 μg/mL | 1.0 μg/mL | 2.0 μg/mL | |
| EC/EUC | 0 (±0) | 0 (±0) | 0 (±0) | 13.21 (±1.15) | 64.24 (±1.67) | 80.28 (±0.57) | ||
| EC/LEPT | 0 (±0) | 0 (±0) | 0 (±0) | 0 (±0) | 35.42 (±0.57) | 54.17 (±0.57) | 96.22 (±1.67) | |
| LM/EUC | 0 (±0) | 0 (±0) | 0 (±0) | 0 (±0) | 4.88 (±0.57) | 50.21 (±0.57) | ||
| LM/LEPT | 0 (±0) | 0 (±0) | 0 (±0) | 35.91 (±1.67) | 46.33 (±0.57) | 53.11 (±0.57) | 53.11 (±1.67) | 78.41 (±0.57) |
| PC/EUC | 0 (±0) | 0 (±0) | 0 (±0) | 8.23 (±0.35) | 90.44 (±1.67) | 90.46 (±0.57) | 93.12 (±1.15) | |
| PC/LEPT | 0 (±0) | 0 (±0) | 0 (±0) | 10.43 (±1.67) | 20.43 (±1.67) | 30.14 (±0.57) | 47.62 (±1.67) | 66.67 (±0.57) |
| PSA/EUC | 0 (±0) | 0 (±0) | 0 (±0) | 3.57 (±0.57) | 26.23 (±1.67) | 35.43 (±1.67) | ||
| PSA/LEPT | 0 (±0) | 0 (±0) | 0 (±0) | 10.02 (±0.57) | 20.1 (±0.57) | 20.15 (±1.15) | ||
| SA/EUC | 10.37 (±1.67) | 25.16 (±0.57) | 46.23 (±0.57) | 50.37 (±1.67) | 60.17 (±1.67) | |||
| SA/LEPT | 14.78 (±1.67) | 15.41 (±1.67) | 18.79 (±1.15) | 18.87 (±1.67) | 49.88 (±1.67) | 79.88 (±0.57) | ||
Results are reported as percent of inhibition respect to the control (inhibition = 0). Results are the mean of three experiments ± SD. EC: E. coli; LM: L. monocytogenes; PC: P. carotovorum; PSA: P. aeruginosa; SA: S. aureus; EUC: E. gunnii EO; LEPT: L. petersonii EO.