Table 4.
Selected Salmonella cocktail survival kinetics in white grease and beef tallow challenged at 48 °C with different moisture levels
| Inoculum condition | Fat type | Moisture level | Kinetics parameters | |
|---|---|---|---|---|
| α (day) | β | |||
| High | White grease | 0.0% | 0.47 ± 0.07 | 1.91 ± 0.18 |
| 0.5% | 0.37 ± 0.14 | 1.62 ± 0.35 | ||
| 1.0% | 0.24 ± 0.03 | 1.13 ± 0.07 | ||
| 3.0% | 0.18 ± 0.07 | 1.12 ± 0.16 | ||
| Beef tallow | 0.0% | 0.84 ± 0.23 | 3.30 ± 0.91 | |
| 0.5% | 0.89 ± 0.06 | 3.41 ± 0.29 | ||
| 1.0% | 0.87 ± 0.04 | 3.26 ± 0.12 | ||
| 3.0% | 0.59 ± 0.17 | 2.27 ± 0.56 | ||
| Low | White grease | 0% | 1.96 ± 0.07 | 5.08 ± 0.28 |
| 0.5% | 0.50 ± 0.14 | 1.17 ± 0.17 | ||
| 1.0% | 0.52 ± 0.25 | 1.17 ± 0.27 | ||
| 3.0% | 0.98 ± 0.63 | 1.90 ± 0.95 | ||
| Beef tallow | 0.0% | 0.76 ± 0.28 | 2.62 ± 0.14 | |
| 0.5% | 0.56 ± 0.14 | 2.51 ± 0398 | ||
| 1.0% | 0.90 ± 0.39 | 2.65 ± 0.25 | ||
| 3.0% | 0.87 ± 0.36 | 2.70 ± 0.21 |