Table 5. Effect of FA and CTL on meat quality of the hair lambs.
| Item | FA (ppm)1) | CTL (%)2) | SEM | p-value | ||||
|---|---|---|---|---|---|---|---|---|
| 0 | 300 | 0 | 1 | FA | CTL | FA × CTL | ||
| pH 24 h | 5.50 | 5.49 | 5.53 | 5.45 | 0.08 | 0.923 | 0.391 | 0.317 |
| Final pH | 6.01 | 5.76 | 5.86 | 5.92 | 0.142 | 0.116 | 0.686 | 0.095 |
| WHC (%) | 79.52 | 81.41 | 80.79 | 80.14 | 1.30 | 0.183 | 0.639 | 0.612 |
| Color variables | ||||||||
| L* | 38.63 | 38.09 | 37.43 | 39.28 | 0.804 | 0.527 | 0.041 | 0.703 |
| a* | 17.83 | 17.54 | 16.91 | 18.46 | 0.642 | 0.668 | 0.034 | 0.178 |
| b* | 8.83 | 8.34 | 7.93 | 9.24 | 0.649 | 0.482 | 0.070 | 0.167 |
| Chroma (C*) | 19.91 | 19.45 | 18.70 | 20.66 | 0.837 | 0.604 | 0.038 | 0.160 |
| Hue angle (H*) | 26.22 | 25.09 | 24.93 | 26.39 | 1.07 | 0.328 | 0.209 | 0.265 |
| Cooking loss (%) | 15.97 | 17.21 | 17.30 | 15.87 | 1.98 | 0.558 | 0.500 | 0.456 |
| WBSF (kg) | 7.36 | 6.80 | 7.60 | 6.56 | 0.850 | 0.539 | 0.258 | 0.623 |
1)
Lambs fed 0 or 300 ppm of ferulic acid through the 40-d feeding trial.
2)
Lambs fed 0 or 1% of clinoptilolite through the 40-d feeding.
FA, ferulic acid; CTL, clinoptilolite; WHC, water-holding capacity; WBSF, Warner-Bratzler shear force.