Cooking loss, pH and colour parameters of beef patties roasted at different temperaturesa.
Index | Temperature | |||||
---|---|---|---|---|---|---|
Control | 150 °C | 190 °C | 230 °C | 270 °C | 310 °C | |
Cooking loss (%) | ∼ | 15.1 ± 0.4e | 19.2 ± 0.7d | 32.7 ± 1.5c | 37.5 ± 0.7b | 43.2 ± 0.9a |
pH | 5.48 ± 0.02c | 5.56 ± 0.03b | 5.62 ± 0.01a | 5.65 ± 0.03a | 5.68 ± 0.01a | 5.64 ± 0.08a |
L* (lightness) | 36.17 ± 1.04b | 41.57 ± 1.14a | 41.79 ± 0.33a | 31.68 ± 1.84c | 30.31 ± 0.75c | 26.65 ± 0.38d |
a* (redness) | 18.63 ± 0.10a | 18.69 ± 1.91a | 10.49 ± 0.52b | 9.65 ± 0.61b | 8.77 ± 0.68b | 9.74 ± 0.53b |
b* (yellowness) | 11.19 ± 0.15b | 14.54 ± 0.45a | 14.64 ± 0.78a | 11.72 ± 0.67b | 11.75 ± 0.50b | 11.32 ± 0.56b |
Mean values denoted with different letters in superscripts in the same row are statistically significantly different (p < 0.05).