Table 5. Thiobarbituric acid reactive substances (TBARS, mg malondialdehyde/kg meat) and volatile basic nitrogen (VBN, mg%) based on the aging temperatures and aging period of dry-aged chicken breast subjected to the electric field supercooling system
Trait | Temperature (°C) | Dry-aging period (weeks) |
0 | 1 | 2 | 3 | 4 | 5 |
TBARS | 0 | 0.26 ± 0.04b | 0.34 ± 0.04Aa | 0.37 ± 0.01a | 0.35 ± 0.02a | 0.34 ± 0.02a | NA |
−1 | 0.26 ± 0.04c | 0.33 ± 0.01ABb | 0.37 ± 0.04b | 0.34 ± 0.01b | 0.33 ± 0.02b | 0.50 ± 0.06Aa |
−2 | 0.26 ± 0.04d | 0.30 ± 0.02Bcd | 0.34 ± 0.02bc | 0.33 ± 0.02bc | 0.35 ± 0.01ab | 0.39 ± 0.01Ba |
VBN | 0 | 1.26 ± 0.28e | 1.96 ± 0.32Ad | 2.52 ± 0.32Ac | 3.50 ± 0.28Ab | 4.76 ± 0.32Aa | NA |
−1 | 1.26 ± 0.28b | 1.31 ± 0.32Bb | 1.40 ± 0.32Bb | 2.99 ± 0.32Aa | 2.99 ± 0.32Ba | 3.17 ± 0.32Aa |
−2 | 1.26 ± 0.28c | 1.26 ± 0.28Bc | 1.40 ± 0.32Bc | 1.96 ± 0.32Bb | 2.52 ± 0.32Ba | 2.52 ± 0.32Ba |
All values are mean ± SD.
Means in the same row with different numbers are significantly different (p < 0.05).
Means in the same column with different numbers are significantly different (p < 0.05).
NA, Not applicable.