Table 3.
Activity of superoxide dismutase (SOD), catalase (CAT), NAD(P)H: quinone-oxidoreductase-1 (NQO1), and protein carbonyl group levels in the liver on day 35.
| C | DM | DMV | DMVH | P test | |
|---|---|---|---|---|---|
| SOD (U/mg protein) | 685 ± 81 | 672 ± 83 | 743 ± 74 | 718 ± 70 | NS |
| CAT (U/mg protein) | 389 ± 97 | 295 ± 29a | 402 ± 76b | 733 ± 73a,b,c | P < 0.001 |
| NQO1 (mU/mg protein) | 173 ± 72 | 269 ± 87a | 242 ± 59 | 155 ± 57b,c | P < 0.05 |
| Protein carbonyl groups (pm/mg protein) | 134 ± 33 | 130 ± 38 | 196 ± 40a,b | 186 ± 21a,b | P < 0.01 |
Values shown are means ± SD. C: control rats; DM: diabetic STZ rats; DMV: diabetic STZ rats treated with 1 mgV/day; DMVH: diabetic STZ rats treated with 3 mgV/day. aDifferent from group C; bdifferent from group DM; cdifferent from group DMV. P < 0.05. NS: not significant.