Table 1. Kinetic parameters (LPD, N0, μmax, ITD, SP, and DR) calculated by the Baranyi model for the growth of Salmonella in napa cabbage kimchi
Temperature (°C) | Growth phase | ITD4) (h) | Death phase |
LPD1) (h) | N02) (log CFU·g−1) | μmax3) (log CFU·g−1·h−1) | R2 | SP5) (h) | DR6) (log CFU·g−1·h−1) | R2 |
4 | 180.00±51.00a* | 5.0±0.2a | 0.000±0.000b | 0.484 | 180±5a | 14.95±13.26a | −0.018±0.004c | 0.809 |
10 | 120.00±0.00ab* | 4.7±0.0a | 0.007±0.000b | 0.103 | 120±0ab | 19.02±0.00a | −0.037±0.000bc | 0.801 |
15 | 16.42±0.00bc | 4.9±0.0a | 0.033±0.000b | 0.003 | 24±0b | 22.84±0.00a | −0.096±0.000bc | 0.914 |
25 | 5.85±0.60bc | 4.6±0.1a | 0.302±0.012ab | 0.907 | 17±2b | 0.00±0.00a | −0.149±0.045b | 0.930 |
30 | 4.81±0.56c | 4.5±0.3a | 0.592±0.233a | 0.760 | 17±2b | 1.04±0.80a | −0.306±0.039a | 0.922 |
LPD, lag phase duration.
N0, initial bacterial cell counts.
μmax, maximum specific growth rate.
ITD, initiation time of decrease, time of decrease in bacterial cell counts.
SP, shoulder period.
DR, death rate.
Observed value.
different letters mean significantly different at p<0.05.