Table 1. Effects of temperature and time on physicochemical properties of sous-vide processed pork loin
Treatments | Quality parameters |
Cooking loss (%) | EM (%) | pH | Shear force (N) | TPC (Log CFU/g) | CIE L* | CIE a* | CIE b* |
FC | NE | 8.65±4.71c | 5.68±0.02e | NE | 3.81±0.25 | 41.5±1.51c | 6.33±0.66a | 14.7±2.70b |
CC | 32.6±1.55a | 12.9±1.75bc | 5.81±0.02d | 69.1±6.36a | ND | 47.9±3.87ab | 4.90±0.72b | 17.7±1.15ab |
50°C,12h | 14.5±2.09d | 20.2±4.94a | 5.79±0.01d | 51.8±1.73b | ND | 49.9±3.99ab | 3.83±0.58b | 18.2±0.87ab |
50°C, 24 h | 11.6±0.89e | 19.6±0.78a | 5.89±0.02c | 25.2±4.03d | ND | 46.4±2.78b | 4.37±1.04b | 19.3±1.30a |
55°C, 12 h | 21.1±1.69bc | 15.7±2.53ab | 5.95±0.04b | 38.9±3.41c | ND | 51.1±3.05ab | 3.73±0.29b | 15.1±0.43b |
55°C, 24 h | 19.8±1.24c | 19.7±3.88a | 5.93±0.02bc | 36.6±4.12c | ND | 55.1±4.28a | 4.10±0.42b | 15.7±1.11b |
60°C, 12 h | 21.7±0.84bc | 15.2±5.68bc | 5.93±0.03bc | 23.4±12.1d | ND | 50.6±2.03ab | 4.07±0.29b | 17.3±2.41ab |
60°C, 24 h | 23.5±1.14b | 13.5±0.96abc | 6.04±0.04a | 21.3±8.57d | ND | 52.6±4.13ab | 3.50±0.50b | 16.0±3.30ab |
Means with different superscript within same column are significantly different (p<0.05).
FC, fresh control; CC, cooked control; EM, expressible moisture; TPC, total plate count; NE, not estimated; ND, not detected.