(A) | ||||||||
Microbial growth in samples over time | ||||||||
Duration (days) | 0 | 21 | 28 | 36 | 43 | 50 | 57 | 63 |
After pasteurization (cfu/mL) | ||||||||
Run 1 | 57a | 68a | 9a | 11a | 15a | 5 × 102 b | 5 × 103 c | 5 × 107 d |
Run 2 | 17a | 9a | <1a | 3a | 14a | 22a | 3 × 105 b | 3 × 106 c |
Run 3 | <1a | 54a | 21a | 3a | 8a | 3 × 103 b | 3 × 106 c | 3 × 107 d |
After MST unit (cfu/mL) | ||||||||
Run 1 | 2a | 3a | 8a | 5a | 7a | 7a | 3a | <1a |
Run 2 | <1a | 8a | 4a | 5a | 7a | 4a | 4a | <1a |
Run 3 | 7a | 6a | 6a | 7a | 5a | 57a | 3.02 × 102 b | 5 × 107 c |
(B) | ||||||
Microbial growth in samples over time | ||||||
Duration (days) | 0 | 7 | 14 | 21 | 28 | 35 |
After pasteurization (cfu/mL) | ||||||
Run 1 | <1a | <1a | <1a | 1.67 × 104 b | 6.70 × 105 c | 1.59 × 106 d |
Run 2 | 1.7a | <1a | <1a | 4.33 × 103 b | 5.30 × 104 c | 7.10 × 105 d |
After MST unit (cfu/mL) | ||||||
Run 1 | <1a | <1a | <1a | 7.40 × 103 b | 3.57 × 105 c | 2.24 × 105 c |
Run 2 | <1a | <1a | <1a | 7.67 × 103 b | 1.63 × 105 c | 3.80 × 105 c |
(C) | Trial 31 | Trial 41 | |||
---|---|---|---|---|---|
Run | |||||
1 | 2 | 3 | 1 | 2 | |
MST Temp In2 (°C) | 73.0 | 73.0 | 73.1 | 57.2 | 54.3 |
MST Chamber (°C) | 83.8 | 78.5 | 74.4 | 67.6 | 64.8 |
MST Temp Out (°C) | 77.5 | 75.2 | 70.9 | 69.0 | 66.3 |