Table 1.
The effects of the tested substances on serum MDA and SOD in mice.
| Group | Dose (mg/(kg·day)) |
Animal (n) |
MDA nmol/mL |
SOD × 103 Nu/mL |
|---|---|---|---|---|
| Young control | - | 10 | 5.68 ± 1.23 ** | 7.64 ± 0.87 ** |
| Aged control | - | 10 | 10.24 ± 1.15 | 5.57 ± 0.38 |
| Chitosan | 200 | 10 | 8.81 ± 1.06 * | 6.17 ± 0.12 * |
| Collagen | 200 | 10 | 8.03 ± 1.46 ** | 6.54 ± 0.57 ** |
| Complex | 400 (contain same amount of collagen and chitosan) |
10 | 7.61 ± 1.43 ** | 6.77 ± 0.33 ** |
Mean ± SD, number (n) = 10 mice per group, * p < 0.05, ** p < 0.01 vs. Aging control group.