Table 6.
In situ analysis of the antimicrobial activity of the vapor phase of CSEO in kohlrabi.
| Bacteria | Bacterial Growth Inhibition (%) | ||||
|---|---|---|---|---|---|
| The Concentration of CSEO in μL/mL | |||||
| 62.5 | 125 | 250 | 500 | ||
| Gram-negative | P. aeroginosa | 33.59 ± 2.01 d | 22.86 ± 1.62 c | 12.52 ± 1.06 b | 4.60 ± 1.16 a |
| Y. enterocolitica | 44.74 ± 0.95 d | 33.53 ± 1.97 c | 23.34 ± 1.50 b | 15.00 ± 2.26 a | |
| S. enterica | 84.82 ± 3.00 d | 64.78 ± 2.57 c | 43.85 ± 1.84 b | 23.63 ± 1.95 a | |
| S. enterica biofilm | 7.05 ± 1.10 d | −25.00 ± 2.41 c | −44.04 ± 1.62 b | −76.03 ± 2.78 a | |
| Gram-positive | B. subtilis | 45.53 ± 2.24 c | 15.22 ± 1.36 b | 6.69 ± 1.11 a | 86.93 ± 2.00 d |
| S. aureus | 35.74 ± 1.06 c | 14.89 ± 2.25 b | 43.59 ± 2.21 d | 7.19 ± 1.33 a | |
| E. faecalis | 64.22 ± 1.29 d | 13.81 ± 2.70 a | 22.44 ± 0.55 b | 33.71 ± 1.70 c | |
| Yeasts | C. albicans | 44.33 ± 2.21 c | 76.15 ± 2.25 d | 36.30 ± 1.91 b | 15.63 ± 2.11 a |
| C. glabrata | 34.03 ± 1.53 c | 14.29 ± 1.45 a | 43.77 ± 2.05 d | 24.03 ± 1.28 b | |
| C. krusei | 54.33 ± 2.15 c | 24.51 ± 1.38 a | 43.78 ± 1.95 b | 74.96 ± 1.69 d | |
| C. tropicalis | 16.78 ± 1.95 a | 34.93 ± 2.79 c | 25.74 ± 2.81 b | 56.63 ± 2.68 d | |
| Microscopic fungi | A. flavus | 64.48 ± 2.81 a | 54.93 ± 1.54 d | 13.60 ± 1.78 c | 23.67 ± 2.01 b |
| B. cinerea | 65.36 ± 2.01 d | 46.77 ± 2.72 c | 34.48 ± 2.06 b | 24.96 ± 2.71 a | |
| P. citrinum | 65.54 ± 2.31 c | 54.34 ± 2.07 d | 44.18 ± 1.47 b | 24.03 ± 1.54 a | |
One-Way ANOVA, Individual letters (a–d) in the upper case indicate the statistical differences between the concentrations; p ≤ 0.05; the negative values indicate a probacterial activity of the essential oil against the growth of microbial strains.