Table 1. Inactivation rate constants and decimal reduction times of S. cerevisiae by high intense pulsed light treatment at various voltage and temperature
Sample | Voltage | Temperature (°C) | Inactivation rate constants (k, min–1) | Decimal reduction times (D, min) |
Cleared apple juice | 0 V | 30 | 0.00668 | 344.7 |
40 | 0.01824 | 126.2 |
50 | 0.02649 | 86.9 |
400 V | 30 | 0.02415 | 95.3 |
40 | 0.02888 | 79.7 |
50 | 0.03562 | 64.6 |
500 V | 30 | 0.02843 | 81.0 |
40 | 0.03065 | 75.1 |
50 | 0.22492 | 10.2 |
600 V | 30 | 0.03082 | 74.7 |
40 | 0.17689 | 13.0 |
50 | 0.44935 | 5.12 |
Cloudy apple juice | 0 V | 30 | 0.00419 | 549.6 |
40 | 0.00657 | 350.5 |
50 | 0.00860 | 267.7 |
400 V | 30 | 0.00731 | 315.0 |
40 | 0.01569 | 146.7 |
50 | 0.01958 | 117.6 |
500 V | 30 | 0.01104 | 208.6 |
40 | 0.01889 | 121.9 |
50 | 0.14709 | 15.6 |
600 V | 30 | 0.01927 | 119.5 |
40 | 0.03811 | 60.4 |
50 | 0.38145 | 6.03 |