|  | Level of CPOBa, % |  | P value | |||
---|---|---|---|---|---|---|---|
Parameter | Time | 0 | 4 | 8 | SE | Diet | Diet x time |
 | 0 d | 2.43bx | 3.66ax | 4.39ax | 0.54 | 0.026 | 0.476 |
α-tocopherol, mg/kg | 1 d | 2.40bx | 3.33ay | 4.20ax | 0.34 | 0.034 | |
 | 4 d | 2.36bx | 3.05aby | 3.91ax | 0.34 | 0.024 | |
 | 7 d | 2.00by | 2.76ay | 3.10ay | 0.32 | 0.395 | |
 | P value | 0.012 | 0.022 | 0.031 |  |  |  |
 | 0 | 0.70bx | 0.80ax | 0.83ax | 0.08 | 0.048 | 0.614 |
γ-tocopherol, mg/kg | 1 | 0.67by | 0.79ax | 0.80ax | 0.05 | 0.045 | |
 | 4 | 0.65ay | 0.73ay | 0.73ay | 0.03 | 0.001 | |
 | 7 | 0.65ay | 0.68ay | 0.70ay | 0.07 | 0.272 | |
 | P value | 0.010 | 0.042 | 0.044 |  |  |  |
 | 0 | 0.09x | 0.08x | 0.11x | 0.01 | 0.530 | 0.513 |
δ-tocopherol, mg/kg | 1 | 0.07x | 0.08x | 0.09xy | 0.03 | 0.058 | |
 | 4 | 0.05y | 0.05y | 0.07y | 0.16 | 0.411 | |
 | 7 | 0.04y | 0.05y | 0.07y | 0.01 | 0.164 | |
 | P value | 0.001 | 0.003 | 0.003 |  |  |  |
 | 0 | 0.14x | 0.27x | 0.38x | 0.04 | 0.053 | 0.231 |
 | 1 | 0.11y | 0.19y | 0.22y | 0.05 | 0.051 | |
Total carotenoids, mg/kg | 4 | 0.11y | 0.15y | 0.14y | 0.03 | 0.053 | |
 | 7 | 0.11y | 0.14y | 0.14y | 0.08 | 0.176 | |
 | P value | 0.043 | 0.022 | 0.019 |  |  |  |
 | 0 | 81.41 | 64.77 | 60.33 | 13.71 | 0.052 | 0.134 |
 | 1 | 86.55 | 67.44 | 62.97 | 12.44 | 0.055 | |
GPX activityb | 4 | 86.76 | 57.05 | 50.21 | 13.08 | 0.192 | |
 | 7 | 87.36 | 76.76 | 66.56 | 7.25 | 0.149 | |
 | P value | 0.187 | 0.901 | 0.782 |  |  |  |
 | 0 | 0.12x | 0.10x | 0.08x | 0.11 | 0.466 | 0.612 |
TBARS, mg MDA/kg | 1 | 0.25x | 0.26x | 0.24y | 0.15 | 0.264 | |
 | 4 | 0.42xy | 0.40x | 0.34y | 0.25 | 0.393 | |
 | 7 | 0.85ay | 0.64by | 0.56by | 0.21 | 0.047 | |
 | P value | 0.030 | 0.011 | 0.023 |  |  |  |