Table 4.
pH, chemical composition, cooking loss, meat color (CIE L*, a*, and b*), and Warner-Bratzler shear force of loin and rump with different quality grades in Korean cattle steers
Item | Loin | Rump | Cut | p-value | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|||||||||||
1++ | 1+ | 1 | 2 | SEM | 1++ | 1+ | 1 | 2 | SEM | Loin | Rump | ||
pH | 5.47b | 5.48b | 5.51ab | 5.55a | 0.01 | 5.50 | 5.51 | 5.51 | 5.49 | 0.01 | 5.50 | 5.50 | 0.82 |
Protein (%) | 17.9c | 19.7b | 20.8a | 21.3a | 0.25 | 21.4b | 21.5b | 22.9a | 23.0a | 0.16 | 19.9 | 22.2 | 0.02 |
Fat (%) | 23.8a | 17.3b | 14.1bc | 9.90c | 1.00 | 6.20a | 4.09ab | 2.78b | 3.60b | 0.41 | 16.3 | 4.17 | <0.01 |
Moisture (%) | 55.6c | 60.6b | 63.6b | 67.1a | 0.81 | 70.2 | 71.4 | 72.1 | 71.1 | 0.30 | 61.7 | 71.2 | <0.01 |
Cooking loss (%) | 25.5b | 27.5b | 26.9b | 34.5a | 1.17 | 34.4 | 34.2 | 34.2 | 32.8 | 0.45 | 28.6 | 33.9 | <0.01 |
Shear force (kg) | 3.83 | 4.79 | 5.39 | 5.23 | 0.26 | 13.7a | 14.0a | 15.1a | 9.30b | 0.65 | 4.81 | 13.02 | <0.01 |
CIE L* | 43.6a | 41.4b | 40.4b | 40.1b | 0.32 | 39.6 | 39.6 | 38.9 | 39.3 | 0.15 | 41.4 | 39.4 | <0.01 |
CIE a* | 16.0a | 15.6a | 14.5ab | 13.8b | 0.31 | 11.6ab | 12.2a | 10.9b | 10.8b | 0.18 | 15.0 | 11.4 | <0.01 |
CIE b* | 4.68a | 4.09a | 3.15b | 2.61b | 0.18 | 1.24a | 1.47a | 0.65b | 1.34a | 0.09 | 3.63 | 1.17 | <0.01 |
n = 12.
CIE, International Commission on Illumination; SEM, standard error of the means.
Means with different letter within a same row differ at p<0.05.