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.