Table 4.
Effects of different proportions of naturally oxidized corn oil on antioxidant capacity of liver.
| Oxidized corn oil: non-oxidized corn oil |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| Parameter | 0:100 | 25:75 | 50:50 | 75:25 | 100:0 | SEM | P-value | P-linear | P-quadratic |
| GSH-Px (U/mgprot) | 28.76b | 28.28b | 30.11ab | 31.70ab | 33.11a | 0.79 | 0.008 | 0.002 | 0.162 |
| SOD (U/mgprot) | 253.34 | 266.20 | 253.18 | 242.16 | 256.01 | 8.12 | 0.186 | 0.084 | 0.086 |
| CAT (U/mgprot) | 16.86b | 17.11b | 19.84a | 18.67ab | 17.87ab | 0.33 | 0.043 | 0.858 | 0.027 |
| MDA (nmol/mgprot) | 2.05c | 2.20bc | 2.69b | 3.59a | 2.73b | 0.03 | <0.001 | 0.112 | 0.041 |
Abbreviations: CAT, catalase; GSH-Px, glutathione peroxidase; MDA, malondialdehyde; SOD, superoxide dismutase.
a-c
Different letters in the same row indicate significant differences (P < 0.05), and the same letter means no significant difference (P > 0.05).