Table 6 Activities of glutathione peroxidase (GPX), superoxide dismutase (SOD) and catalase (CAT) in the liver of rats fed diets with either soybean oil or salmon oil with various vitamin E concentrations (25, 250 or 2500 mg/kg)

GPX (U/mg)

1.13 ± 0.26

1.04 ± 0.28

1.02 ± 0.12

1.10 ± 0.29

1.24 ± 0.31

1.01 ± 0.14

0.44

0.27

0.26

SOD (kU/mg)

0.69 ± 0.30

0.87 ± 0.12

0.84 ± 0.29

0.63 ± 0.19

0.84 ± 0.33

0.74 ± 0.28

0.35

0.08

0.88

CAT (kU/mg)

2.14 ± 0.5

2.01 ± 0.58

2.23 ± 0.49

2.32 ± 0.42

2.02 ± 0.54

2.49 ± 0.25

0.24

0.07

0.71