Table 6 Erythrocyte antioxidant enzymes activity according to age group

Superoxide dismutase (U/mg Hb)

   Baseline (0 month)

1.85 ± 0.14

2.23 ± 0.22

1.89 ± 0.12

2.35 ± 0.20

   3 months

1.95 ± 0.16

1.81 ± 0.15

1.85 ± 0.28

1.85 ± 0.12*

   6 months

1.98 ± 0.24

1.74 ± 0.14

1.85 ± 0.10

1.79 ± 0.12*

Catalase (U/mg Hb)

   Baseline (0 month)

0.29 ± 0.02

0.28 ± 0.02

0.32 ± 0.02

0.28 ± 0.01

   3 months

0.25 ± 0.01

0.25 ± 0.02

0.23 ± 0.01**

0.29 ± 0.02

   6 months

0.29 ± 0.02

0.23 ± 0.02

0.24 ± 0.02*

0.30 ± 0.02

Glutathione peroxidase (U/mg Hb)

   Baseline (0 month)

0.74 ± 0.07

0.89 ± 0.06

0.90 ± 0.06

0.86 ± 0.06

   3 months

0.87 ± 0.10

1.02 ± 0.15

0.88 ± 0.06

1.07 ± 0.08

   6 months

0.88 ± 0.06

1.05 ± 0.13

1.19 ± 0.06*

1.12 ± 0.06*