Table 2.
Predicted shelf life and calculated model parameters for modelling the total viable count growth of sausages with different casings.
| Parameters Estimated from Baranyi Model | MHC | CHC | NSC |
|---|---|---|---|
| Initial cell population (ln (N0), log cfu/g) | 4.81 ± 0.20 | 5.19 ± 0.53 | 3.74 ± 0.54 |
| Maximum specific growth rate (μmax, day−1) | 0.13 ± 0.03 | 0.20 ± 0.09 | 1.31 ± 0.40 |
| Lag time (λ, day) | -- | -- | -- |
| Final cell population (ln (Nmax), log cfu/g) | 7.09 ± 0.10 | 8.26 ± 0.34 | 7.64 ± 0.22 |
| Coefficient of determination (R2) | 0.94 | 0.77 | 0.86 |
| Standard error (SE) of fit | 0.22 | 0.69 | 0.54 |
| Predicted shelf life (day) | 19 | 10 | 3 |
Note: Sausages stuffed in MHC: modified hog casing; CHC: control hog casing; NSC: natural sheep casing.