Table 4. Comparison of carcass, meat quality traits, and temperature according to 24h postmortem pH categories in Berkshire pork

pH24hranges <5.7 (n=90) 5.7-6.1 (n=245) >6.1 (n=56)
Carcass weight (kg) 84.86±4.97 85.03±5.32 86.09±6.17
Backfat thickness (mm) 23.02±4.87c5) 24.35±4.91b 26.09±4.42a
pH45min1) 6.26±0.26b 6.30±0.31b 6.36±0.24a
pH24h 5.62±0.06c 5.85±0.11b 6.23±0.13a
pHc24 0.64±0.26a 0.45±0.33b 0.12±0.27c
CIE L*2) 50.12±2.35a 48.52±2.59b 45.74±2.60c
CIE a* 6.47±1.04a 6.12±1.01b 5.71±0.92c
CIE b* 3.87±1.06a 2.95±1.00b 2.32±0.80c
Water holding capacity 58.71±2.50b 58.71±2.62b 60.16±2.77a
Collagen content (%) 0.89±0.13 0.89±0.13 0.88±0.13
Fat content (%) 2.57±1.02b 2.76±1.18b 3.39±1.09a
Moisture content (%) 75.30±0.79b 75.56±0.84a 75.69±0.87a
Protein content (%) 24.37±0.65a 23.87±0.70b 23.16±0.58c
Drip loss (%) 4.72±1.96a 4.17±1.50b 2.81±1.24c
Cooking loss (%) 27.28±4.91a 27.60±3.73a 25.21±3.77b
Shear force (kg) 2.86±0.58a 2.81±0.62a 2.37±0.51b
T1h(℃)3) 35.92±4.88b 37.41±4.07a 37.35±3.38a
T24h(℃) 5.77±2.41a 5.91±3.59a 3.68±2.37b
Tc24(℃)4) 30.15±5.92b 31.50±5.27b 33.67±3.90a