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 |