Table 1.
Comparison of NOS activity between groups in hippocampus (X±SD, unit: U/mg protein)
| Group | 7 d (n) | 14 d (n) | 21 d (n) | 28 d (n) |
| Control group | 2.35±0.31 (8) | 2.33±0.20 (7) | 2.36±0.18 (6) | 2.19±0.06 (6) |
| 0.025% group | 1.89±0.44 (8) | 1.95±0.16 (8) | 1.53±0.20 (6)* | 1.12±0.27 (6)* |
| 0.05% group | 1.97±0.12 (6) | 2.16±0.08 (6) | 1.66±0.23 (5)* | 1.80±0.20 (4)*▲ |
| 0.075% group | 2.04±0.82 (6) | 2.16±0.21 (8) | 1.88±0.32 (6)*▲ | 1.66±0.21 (6)*▲ |
*
Compared with the control group at the same days, P<0.01
▲
Compared with 0.025% group at the same days, P<0.05