Table 3. Comparison of carcass, meat quality traits, and temperature according to 45min postmortem pH categories in Berkshire pork

pH45minranges <6.3 (n=211) 6.3-6.7 (n=134) >6.7 (n=46)
Carcass weight (kg) 85.98±5.50a5) 84.31±5.17b 83.74±4.73b
Backfat thickness (mm) 24.94±5.10a 23.35±4.93b 24.09±3.29ab
pH45min1) 6.10±0.16c 6.44±0.10b 6.84±0.12a
pH24h 5.84±0.19b 5.89±0.24a 5.86±0.18b
pHc24 0.26±0.24c 0.55±0.25b 0.99±0.23a
CIE L*2) 48.60±2.89ab 48.09±2.84b 49.15±2.55a
CIE a* 6.32±1.06a 5.87±0.91b 6.11±1.05ab
CIE b* 3.35±0.97a 2.98±1.20b 2.05±0.67c
Water holding capacity 59.31±2.49a 59.24±2.75a 56.24±1.24b
Collagen content (%) 0.90±0.14a 0.89±0.12a 0.84±0.12b
Fat content (%) 2.90±1.25a 2.75±1.10ab 2.52±0.82b
Moisture content (%) 75.45±0.92 75.62±0.78 75.55±0.61
Protein content (%) 23.88±0.79ab 23.84±0.77b 24.05±0.63a
Drip loss (%) 4.32±1.66a 3.76±1.68b 4.06±1.68ab
Cooking loss (%) 27.63±4.23 26.70±4.30 26.54±2.50
Shear force (kg) 2.92±0.62a 2.64±0.55b 2.38±0.50c
T1h(℃)3) 36.40±4.17b 36.95±4.46b 40.38±1.00a
T24h(℃) 5.02±3.05b 6.30±3.76a 5.85±2.23ab
Tc24(℃)4) 31.38±5.50b 30.65±5.53b 34.52±2.11a