Table 4.
Minimal inhibitory concentration (µL/mL) of the EOS from cultivars of A. ampeloprasum var. holmense necessary to inhibit the growth of the pathogenic bacterial strains Listeria monocytogenes, Escherichia coli, Acinetobacter baumannii, and Staphylococcus aureus.
| A. baumannii | E. coli | L. monocytogenes | S. aureus | ||
|---|---|---|---|---|---|
| ‘Irsina’ | Aerial parts | 30 ± 2 | 40 a ± 3 | 30 ± 3 | 30 ± 2 |
| Bulbs | 30 ± 3 | 30 c ± 3 | 30 ± 2 | 30 ± 3 | |
| “Contursi T.” | Aerial parts | 30 ± 3 | 28 ± 2 | 40 ± 3 | 28 ± 2 |
| Bulbs | 40 b ± 2 | 35 a ± 3 | 30 ± 2 | 30 ± 2 | |
| Tetracycline | 31 ± 1 | 24 ± 3 | 39 ± 2 | 38 ± 2 |
The experiments were performed in triplicate and reported as the mean (±SD). a: p < 0.1; b: p < 0.001; c: p < 0.0001 compared with the tetracycline used as control (ANOVA followed by Dunnett’s multiple comparison test).