Item | - diquat | + diquat | SEM | P | ||||||
---|---|---|---|---|---|---|---|---|---|---|
 | Trp 0.18% | Trp 0.30% | Trp 0.45% | Trp 0.18% | Trp 0.30% | Trp 0.45% |  | Trp | diquat | Trp × diquat |
Plasma | ||||||||||
 SOD, U/mL | 142.51a | 138.17a | 135.20a | 106.65c | 118.94bc | 115.55bc | 6.76 | 0.81 | < 0.05 | 0.47 |
 GPx, U/mL | 698.32b | 811.76a | 810.08a | 665.55b | 768.24ab | 748.07ab | 38.60 | 0.62 | 0.08 | 0.66 |
 MDA, nmol/mL | 2.43b | 2.53b | 2.48b | 3.53a | 3.58a | 3.68a | 0.21 | 0.89 | < 0.05 | 0.94 |
Liver | ||||||||||
 SOD, U/mg protein | 564.43a | 579.77a | 595.80a | 469.14b | 516.04ab | 527.69ab | 31.64 | 0.74 | < 0.05 | 0.09 |
 GPx, U/mg protein | 95.63a | 95.71a | 95.56a | 76.04b | 90.03a | 99.44a | 5.20 | 0.18 | < 0.05 | 0.05 |
 MDA, nmol/mg protein | 1.60a | 1.27b | 1.56a | 1.74a | 1.44ab | 1.59a | 0.14 | 0.23 | 0.09 | 0.06 |