Table 7.
Inhibitory activity of the EOs from the cultivars of A. ampeloprasum var. holmense and A. sativum on the cell metabolism of the pathogenic strains within the biofilm.
| A. baumannii | E. coli | L. monocytogenes | S. aureus | ||
|---|---|---|---|---|---|
| ‘Irsina’ | Aerial parts 10 µL/mL | 0 | 18.26 a ± 1.52 | 0 | 0 |
| Aerial parts 20 µL/mL | 30.13 a ± 0.28 | 71.08 a ± 2.47 | 31.43 a ± 0.31 | 55.99 a ± 1.1 | |
| Bulbs 10 µL/mL | 0 | 0 | 0 | 39.17 a ± 1.15 | |
| Bulbs 20 µL/mL | 14.48 a ± 0.13 | 0 | 30.25 a ± 0.68 | 47.81 a ± 0.82 | |
| ‘Contursi T.’ | Aerial parts 10 µL/mL | 76.15 a ± 0.91 | 63.86 a ± 2.13 | 8.65 a ± 0.68 | 6.55 a ± 0.23 |
| Aerial parts 20 µL/mL | 89.47 a ± 0.86 | 76.71 a ± 0.97 | 24.58 a ± 1.37 | 36.07 a ± 2.32 | |
| Bulbs 10 µL/mL | 69.28 a ± 1.37 | 65.08 a ± 0.99 | 8.46 a ± 0.55 | 7.97 a ± 0.94 | |
| Bulbs 20 µL/ml | 81.14 a ± 0.27 | 79.15 a ± 0.43 | 25.28 a ± 0.88 | 36.19 a ± 2.18 | |
| ‘Rosso di Sulmona’ |
Aerial parts 10 µL/mL | 0 | 0 | 20.67 a ± 1.67 | 22.07 a ± 1.59 |
| Aerial parts 20 µL/mL | 16.94 a ± 1.13 | 0 | 68.57 a ± 0.89 | 30.34 a ± 2.16 | |
| Bulbs 10 µL/mL | 36.46 a ± 0.68 | 0 | 8.19 a ± 1.43 | 0 | |
| Bulbs 20 µL/mL | 65.16 a ± 0.85 | 0 | 11.13 a ± 1.65 | 0 | |
| ‘Rosso di Spagna’ |
Aerial parts 10 µL/mL | 6.11 a ± 0.67 | 0 | 6.58 a ± 2.14 | 5.19 a ± 0.67 |
| Aerial parts 20 µL/mL | 25.75 a ± 0.69 | 18.27 a ± 0.66 | 60.20 a ± 2.06 | 41.77 a ± 1.44 | |
| Bulbs 10 µL/mL | 0 | 0 | 7.09 a ± 1.33 | 11.26 a ± 0.38 | |
| Bulbs 20 µL/mL | 45.88 a ± 1.50 | 4.27 a ± 0.69 | 13.61 a ± 1.65 | 68.89 a ± 1.45 |
Results are expressed as percentages (average ± SD) and calculated assuming the control (untreated bacteria, for which we assumed an inhibitory value= zero). a: p < 0.1 compared with the control (ANOVA followed by Dunnett’s multiple comparison test).