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 |