Table 3.
Estimation of the death kinetic parameters using the Baranyi-Roberts model.
| PC | 1/10 MIC | 1/5 MIC | 1/2 MIC | MIC | 3/2 MIC | SEM | P | |
|---|---|---|---|---|---|---|---|---|
| Initial value (log CFU/mL) | 5.01 | 5.01 | 5.00 | 4.91 | 4.82 | 4.95 | 0.023 | 0.167 |
| λ (h) | 4.17b | 4.33b | 7.02c | 7.66c | 7.72c | 0.94a | 1.089 | <0.001 |
| μmax (log CFU/mL/h) | 0.14c | 0.10bc | 0.13c | 0.07b | 0.06b | -0.22a | 0.055 | <0.001 |
| Final value (Log CFU/mL) | 6.29c | 6.31c | 6.28c | 6.32c | 5.22b | -0.05a | 1.037 | <0.001 |
| R2 value | 0.993 | 0.995 | 0.995 | 0.929 | 0.524 | 0.942 | ||
| SE of fit | 0.047 | 0.039 | 0.040 | 0.159 | 0.143 | 0.240 |
PC, positive control; MIC, minimum inhibitory concentration; λ, lag phase; μmax, maximum growth rate; SEM, standard error of mean; CFU, colony forming unit; SE, standard error.
a-cDifferent letters in the same row denote difference between the means (P<0.05).