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Table 4 Hepatic antioxidants enzymes in oxidative stressed rats

From: Nigella sativa fixed and essential oil modulates glutathione redox enzymes in potassium bromate induced oxidative stress

Parameters

Diets

Study intervals (days)

0

28

56

SOD (IU/mg protein)

D1

17.66 ± 1.13c

24.94 ± 0.61b

28.55 ± 1.78a

D2

18.39 ± 1.18c

18.09 ± 0.84c

17.32 ± 1.02cd

D3

18.21 ± 0.72c

16.42 ± 0.79de

16.12 ± 0.69e

Catalase (IU/mg protein)

D1

6.04 ± 0.376e

6.40 ± 0.462e

7.19 ± 0.461de

D2

8.10 ± 0.476bc

7.85 ± 0.367cd

6.96 ± 0.448de

D3

10.83 ± 0.419a

8.83 ± 0.423b

6.39 ± 0.252e

Glutathione peroxidase (IU/mg protein)

D1

65.60 ± 4.206cd

60.72 ± 4.379d

58.92 ± 3.665d

D2

58.01 ± 3.737d

67.73 ± 3.162c

72.68 ± 4.269bc

D3

56.80 ± 2.243d

76.54 ± 3.619ab

80.79 ± 3.456a

Glutathione reductase (IU/mg protein)

D1

16.35 ± 1.048c

15.11 ± 1.089cd

14.70 ± 0.914d

D2

14.48 ± 0.932d

24.38 ± 1.138b

25.35 ± 1.489b

D3

14.62 ± 0.560d

26.55 ± 1.271a

27.60 ± 1.621a

Glutathione transferase (IU/mg protein)

D1

0.53 ± 0.034de

0.48 ± 0.035ef

0.40 ± 0.025f

D2

0.43 ± 0.028f

0.56 ± 0.026d

0.61 ± 0.036c

D3

0.42 ± 0.017f

0.67 ± 0.032b

0.73 ± 0.031a

  1. D1 = Control diet; D2 = N. sativa seed fixed oil; D3 = N. sativa seed essential oil
  2. Means sharing same letters in a column/row do not differ significantly at P < 0.05