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. 2021 Jun 18;11(35):21629–21641. doi: 10.1039/d1ra03151a

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
a

Mean values denoted with different letters in superscripts in the same row are statistically significantly different (p < 0.05).