From: A research note: effect of pH on meat iridescence in precooked cured pork
Treatment | Correlation coefficient r | |||||
---|---|---|---|---|---|---|
4% lactic acid | 1% lactic acid | Control | 0.2 M NaOH | 0.6 M NaOH | ||
Intensity (–) | 3.5 ± 2.0b | 5.4 ± 1.4bcd | 6.0 ± 1.2ad | 7.3 ± 1.3ac | 7.8 ± 0.7a | 0.670* |
Extent (–) | 5.8 ± 2.1a | 7.7 ± 1.1b | 8.5 ± 0.9b | 8.9 ± 0.3b | 8.8 ± 0.4b | 0.567* |
pH raw (–) | 5.40 ± 0.61a | 5.36 ± 0.53a | 5.39 ± 0.07a | 5.44 ± 0.11a | 5.43 ± 0.04a | 0.115 |
pH cooked (–) | 5.38 ± 0.03a | 5.64 ± 0.04b | 5.78 ± 0.06b | 6.03 ± 0.09c | 6.59 ± 0.22d | 0.645* |
Cooking loss (%) | 32.5 ± 2.8c | 24.6 ± 1.9a | 19.9 ± 3.9a | 10.5 ± 2.0b | 6.7 ± 0.3b | − 0.728* |
Water (%) | 64.43 ± 2.54c | 67.85 ± 1.03d | 70.23 ± 1.07a | 71.65 ± 0.93ab | 72.65 ± 1.25b | 0.601* |
Protein (%) | 30.15 ± 2.58b | 25.87 ± 2.10c | 23.39 ± 1.20 cd | 21.71 ± 2.69d | 22.81 ± 0.62d | − 0.647* |
Ash (%) | 2.20 ± 0.10c | 2.79 ± 0.18a | 2.85 ± 0.13ab | 3.07 ± 0.18bd | 3.27 ± 0.15d | 0.750* |
NaCl (%) | 1.39 ± 0.14b | 1.94 ± 0.22a | 1.94 ± 0.14a | 2.08 ± 0.18a | 2.14 ± 0.17a | 0.696* |