Table 2. Fitting parameters of the Weibull equation for the death kinetics of L. acidophilus (mean values ± SE).
For each parameter, the letters indicate significant differences (one-way ANOVA and Tukey’s test, P<0.05). CB, control bread; GFB, gluten-friendly bread.
| Sample | log N0* | δ | p | d.t. | R |
|---|---|---|---|---|---|
| CB 0.4 g L-1 | 8.43±0.14A | 17.99±0.90A | 1.62±0.15A | 67.46±2.06A | 0.995 |
| GFB 0.4 g L-1 | 8.38±0.13A | 17.43±2.06A | 1.40±0.14A | 80.53±2.03B | 0.994 |
| CB 0.8 g L-1 | 8.19±0.12A | 23.40±2.00B | 1.94±0.20A | 70.28±2.63A | 0.993 |
| GFB 0.8 g L-1 | 8.56±0.14A | 17.57±2.70A | 1.27±0.17A | 93.96±4.00C | 0.990 |
*log N0, initial cell count (log CFU mL-1); δ, first reduction time (h); p, shape parameter; d.t., death time (h).