Table 2.
« b » and « n » values obtained from the inactivation kinetics of acid-adapted L. monocytogenes cells in the different tested conditions.
| Run | pH | °Brix | Temperature (°C) | Carvacrol (μL/L) | b |
n |
Model |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | SE | p | Value | SE | p | SSE | R2 | |||||
| 1 | 4.5 | 12 | 55 | 0 | 0.5 | 0.1 | 0 | 0.2 | 0 | 0 | 0 | 0.9 |
| 2 | 4.5 | 12 | 55 | 30 | 0.8 | 0.1 | 0 | 0.2 | 0 | 0 | 0.3 | 0.9 |
| 3 | 3.5 | 6 | 57.5 | 15 | 0.7 | 0.1 | 0 | 0.1 | 0 | 0 | 0.1 | 1 |
| 4 | 5.5 | 6 | 57.5 | 15 | 0.8 | 0.2 | 0 | 0.1 | 0.1 | 0.3 | 0.2 | 0.8 |
| 5 | 3.5 | 18 | 57.5 | 15 | 0.3 | 0 | 0 | 0.3 | 0 | 0 | 0 | 1.0 |
| 6 | 5.5 | 18 | 57.5 | 15 | 0.4 | 0.1 | 0 | 0.3 | 0.1 | 0 | 0.1 | 0.9 |
| 7 | 3.5 | 6 | 57.5 | 45 | 1.1 | 0.1 | 0 | 0.1 | 0 | 0 | 0.3 | 0.9 |
| 8 | 5.5 | 6 | 57.5 | 45 | 1.5 | 0.1 | 0 | 0.1 | 0 | 0 | 0 | 1 |
| 9 | 3.5 | 18 | 57.5 | 45 | 0.8 | 0.1 | 0 | 0.3 | 0 | 0 | 0.2 | 1 |
| 10 | 5.5 | 18 | 57.5 | 45 | 1.0 | 0.2 | 0.3 | 0.1 | 0 | 0.5 | 0.9 | |
| 0 | 0 | |||||||||||
| 11 | 4.5 | 12 | 60 | 0 | 0.5 | 0.1 | 0 | 0.2 | 0.1 | 0 | 0.1 | 0.9 |
| 12 | 4.5 | 12 | 60 | 30 | 0.8 | 0.1 | 0 | 0.1 | 0.1 | 0.2 | 0.2 | 0.8 |
| 13 | 4.5 | 12 | 60 | 30 | 0.7 | 0.1 | 0 | 0.1 | 0.1 | 0.1 | 0.1 | 0.9 |
| 14 | 4.5 | 12 | 60 | 30 | 0.7 | 0.1 | 0 | 0.1 | 0.1 | 0.2 | 0.2 | 0.8 |
| 15 | 4.5 | 12 | 60 | 60 | 0.8 | 0.1 | 0 | 0.0 | 0 | 0.6 | 0.1 | 0.9 |
| 16 | 2.5 | 12 | 60 | 30 | 0.8 | 0.1 | 0.2 | 0.1 | 0 | 0.2 | 0.9 | |
| 17 | 6.5 | 12 | 60 | 30 | 0.9 | 0 | 0 | 0.1 | 0 | 0 | 0 | 1 |
| 18 | 4.5 | 0 | 60 | 30 | 0.8 | 0.1 | 0 | 0.1 | 0 | 0.2 | 0.1 | 0.9 |
| 19 | 4.5 | 24 | 60 | 30 | 0.8 | 0.1 | 0 | 0.2 | 0.1 | 0 | 0.1 | 0.9 |
| 20 | 3.5 | 6 | 62.5 | 15 | 1.3 | 0.2 | 0 | 0.1 | 0.1 | 0.1 | 0.5 | 0.8 |
| 21 | 5.5 | 6 | 62.5 | 15 | 1 | 0.1 | 0 | 0.1 | 0 | 0 | 0.1 | 0.9 |
| 22 | 3.5 | 18 | 62.5 | 15 | 1.4 | 0 | 0 | 0.1 | 0 | 0 | 0 | 1 |
| 23 | 5.5 | 18 | 62.5 | 15 | 1.0 | 0.1 | 0 | 0.2 | 0 | 0 | 0.1 | 1 |
| 24 | 3.5 | 6 | 62.5 | 45 | 2.2 | 0.1 | 0 | 0.1 | 0 | 0 | 0.1 | 1 |
| 25 | 5.5 | 6 | 62.5 | 45 | 2.3 | 0.2 | 0 | 0.1 | 0 | 0 | 0.4 | 1 |
| 26 | 3.5 | 18 | 62.5 | 45 | 1.8 | 0.1 | 0 | 0.1 | 0 | 0 | 0.1 | 1 |
| 27 | 5.5 | 18 | 62.5 | 45 | 2.4 | 0.2 | 0 | 0.1 | 0 | 0 | 0.5 | 1 |
| 28 | 4.5 | 12 | 65 | 0 | 1 | 0.1 | 0 | 0.1 | 0 | 0 | 0.1 | 1 |
| 29 | 4.5 | 12 | 65 | 30 | 1.1 | 0.1 | 0 | 0.1 | 0 | 0.1 | 0.2 | 0.9 |
*R2: coefficient of determination; SE: Standard error; SSE: Sum of squared errors; p: level of significance (value significative at p ≤ 0.05).