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.