Groups          TBARS SOD GPX CAT C 0.65 ± 0.08              10 ± 0.9                  7.32 ± 0.53 21.6 ± 1.04 D 1.25 ± 0.14** 5.9 ± 0, 8** 4.4 ± 0.5** 11.95 ± 0.73** D+G 0.63 ± 0.06++ 9.8 ± 1.24++ 7.05 ± 1.1++  23 ± 2.53++ D+EMg 0.7 ± 0.07++ 9, 63 ± 1.4++ 7.72 ± 0.74++           18.63 ± 1.38++ C: control (normal) rats; D: diabetics rats; D+G: diabetic rats treated with Garlic extract; D+ EMg: diabetic rats treated with α−tocopherol+Mg. Values are the mean of 6 measurements ± SD. **Significant difference compared to control rats (C) (p ≤ 0.01) ++Significant difference between treated diabetic rats (D+G; D+EMg) and diabetic rats (D).

Table 2: TBARS (nmol/mg protein) levels and enzyme activities of SOD (U/mg protein), GPX (U/mg protein) and CAT (U/mg protein) in brain after 4 weeks of treatment in control, diabetic and treated diabetic rats.