Table 1. Effects of two aging methods and temperature on physico-chemical traits of pork bellies from Berkshire and crossbred (LYD) pigs during aging
| Weeks | Breed | Temperature (°C) | Aging method |
Berkshire | LYD | 0 | 9 | Hanging | Immersed in brine |
pH | 0 | 6.51±0.10Aa | 6.29±0.02Ba | 6.40±0.14a | 6.40±0.14a | 6.40±0.14a | 6.40±0.14a |
1 | 6.36±0.22Ab | 6.17±0.08Bb | 6.33±0.24a | 6.20±0.07b | 6.36±0.21Aa | 6.18±0.09Bb |
2 | 5.95±0.16c | 5.96±0.15c | 6.09±0.10Ab | 5.82±0.03Bc | 5.98±0.18b | 5.93±0.12c |
Moisture (%) | 0 | 49.06±1.05a | 49.67±0.49a | 49.36±0.88a | 49.36±0.88a | 49.36±0.88a | 49.36±0.88b |
1 | 48.65±1.98a | 47.37±6.62ab | 47.74±3.35a | 48.74±5.53a | 44.29±3.61Bb | 51.43±2.48Aa |
2 | 45.05±3.63b | 44.45±1.42b | 44.78±2.39b | 44.72±3.11b | 43.32±2.01Bb | 46.18±2.64Ac |
WHC (%) | 0 | 60.66±0.84Bb | 62.49±2.04Aa | 61.57±1.83ab | 61.57±1.83b | 61.57±1.83ab | 61.57±1.83b |
1 | 72.25±2.21Aa | 66.58±7.19Ba | 65.40±8.39Ba | 72.04±2.47Aa | 66.28±8.54a | 71.76±3.36a |
2 | 55.08±6.53c | 46.60±13.82b | 57.11±8.74Ab | 44.57±10.52Bc | 55.22±12.62b | 46.45±8.46c |
Drip loss (%) | 0 | 3.06±0.50Aa | 2.06±0.20Ba | 2.56±0.65a | 2.56±0.65a | 2.56±0.65a | 2.56±0.65a |
1 | 0.63±0.14b | 0.56±0.12b | 0.59±0.11b | 0.63±0.15b | 0.64±0.14b | 0.57±0.12b |
2 | 0.38±0.14b | 0.41±0.14c | 0.40±0.17b | 0.39±0.12b | 0.36±0.14b | 0.43±0.13b |
Purge loss (%) | 0 | 0.00±0.00c | 0.00±0.00c | 0.00±0.00c | 0.00±0.00c | 0.00±0.00b | 0.00±0.00c |
1 | 10.19±3.32Aa | 6.43±1.69Ba | 7.24±1.66a | 9.82±4.11a | 6.42±2.01Ba | 10.25±3.60Aa |
2 | 7.78±2.15Ab | 4.41±2.68Bb | 5.17±3.61b | 7.02±1.82b | 7.19±3.75a | 5.00±1.22b |
Water and fat loss (%) | 0 | 19.29±0.11Aa | 18.62±0.83Bb | 18.96±0.69a | 18.96±0.69b | 18.96±0.69a | 18.96±0.69b |
1 | 13.33±0.86Bb | 15.85±3.11Ab | 16.08±3.23b | 13.85±1.67c | 14.94±3.57b | 14.52±2.06c |
2 | 20.03±4.19a | 23.79±5.87a | 19.01±4.07Ba | 24.80±4.98Aa | 19.35±5.83Ba | 24.47±3.39Aa |
Means with different superscripts in the same row and section significantly differ at p<0.05.
Means with different superscripts in the same column significantly differ at p<0.05.
LYD, Landrace×Yorkshire×Duroc; WHC, water-holding capacity.