Parameter | Concentration (μg/L) | Duration (days) | 7 days recovery | ||||
---|---|---|---|---|---|---|---|
1 | 7 | 14 | 21 | 28 | |||
CAT (u/mg protein) | Control | 1.16 ± 0.02a1 | 1.15 ± 0.06a1 | 1.17 ± 0.01a1 | 1.16 ± 0.03a1 | 1.19 ± 0.01a1 | 1.18 ± 0.01a1 |
2.5 × 10−4 | 1.17 ± 0.01d1 | 1.26 ± 0.01d12 | 1.60 ± 0.03c2 | 2.25 ± 0.03b2 | 2.57 ± 0.10a2 | 1.50 ± 0.07c1 | |
5.0 × 10−4 | 1.30 ± 0.02b2 | 1.26 ± 0.02b12 | 1.67 ± 0.02b2 | 2.67 ± 0.36a2 | 2.89 ± 0.18a23 | 1.64 ± 0.10b1 | |
6.25 × 10−4 | 1.35 ± 0.05d2 | 1.33 ± 0.02d2 | 1.97 ± 0.08c3 | 2.79 ± 0.32ab2 | 3.05 ± 0.15a3 | 2.42 ± 0.28bc2 | |
SOD (u/mg protein) | Control | 10.90 ± 0.04a1 | 10.92 ± 0.07a1 | 10.62 ± 0.06a1 | 10.79 ± 0.20a1 | 10.88 ± 0.07a1 | 10.68 ± 0.19a1 |
2.5 × 10−4 | 10.65 ± 0.12b1 | 10.82 ± 0.04b1 | 10.89 ± 0.03b2 | 11.28 ± 0.10a1 | 11.41 ± 0.13a2 | 10.69 ± 0.13b1 | |
5.0 × 10−4 | 10.68 ± 0.11b1 | 10.76 ± 0.16b1 | 10.88 ± 0.03b2 | 11.41 ± 0.12a1 | 11.51 ± 0.16a2 | 10.91 ± 0.06b1 | |
6.25 × 10−4 | 10.85 ± 0.07b1 | 10.90 ± 0.02b1 | 10.90 ± 0.07b2 | 11.21 ± 0.47ab1 | 11.75 ± 0.16a2 | 10.97 ± 0.07b1 | |
MDA (u/mg protein) | Control | 2.75 ± 0.12a1 | 2.92 ± 0.19a1 | 2.49 ± 0.47a1 | 2.54 ± 0.25a1 | 2.39 ± 0.06a1 | 2.33 ± 0.06a1 |
2.5 × 10−4 | 2.51 ± 0.15c1 | 2.63 ± 0.16c1 | 2.82 ± 0.14bc1 | 3.19 ± 0.13b12 | 4.09 ± 0.05a2 | 2.73 ± 0.03c2 | |
5.0 × 10−4 | 2.91 ± 0.13bc1 | 2.53 ± 0.21c1 | 2.90 ± 0.07bc1 | 3.38 ± 0.40b12 | 4.26 ± 0.23a2 | 2.78 ± 0.03bc2 | |
6.25 × 10−4 | 3.10 ± 0.42b1 | 3.30 ± 0.35b1 | 2.90 ± 0.12b1 | 3.74 ± 0.28a2 | 4.33 ± 0.15a2 | 2.98 ± 0.02b3 | |
GPx (u/mg protein) | Control | 10.92 ± 0.58a1 | 10.05 ± 0.29a1 | 11.19 ± 0.49a1 | 11.04 ± 0.36a1 | 10.80 ± 0.25a1 | 10.71 ± 0.24a1 |
2.5 × 10−4 | 12.64 ± 0.76bc12 | 11.49 ± 0.76c12 | 14.08 ± 0.29ab2 | 14.23 ± 0.25ab2 | 15.01 ± 0.26a2 | 11.21 ± 0.50c1 | |
5.0 × 10−4 | 12.35 ± 1.04bc12 | 13.50 ± 0.29ab2 | 14.08 ± 0.29a2 | 14.69 ± 0.43a2 | 15.17 ± 0.26a2 | 11.48 ± 0.57c1 | |
6.25 × 10−4 | 13.50 ± 0.29bcd2 | 12.93 ± 0.99cd2 | 14.36 ± 0.29abc2 | 14.84 ± 0.19ab2 | 15.50 ± 0.50a2 | 11.78 ± 0.57d1 | |
GR (u/mg protein) | Control | 2.81 ± 0.16a1 | 2.75 ± 0.20a1 | 2.55 ± 0.21a1 | 2.57 ± 0.06a1 | 2.71 ± 0.05a1 | 2.72 ± 0.07a1 |
2.5 × 10−4 | 2.83 ± 0.18b1 | 2.70 ± 0.31b1 | 2.93 ± 0.20b1 | 3.13 ± 0.14b2 | 3.98 ± 0.19a2 | 2.50 ± 0.20b1 | |
5.0 × 10−4 | 2.88 ± 0.17b1 | 2.91 ± 0.21b1 | 3.00 ± 0.17b1 | 3.26 ± 0.14b2 | 4.13 ± 0.21a2 | 2.71 ± 0.15b1 | |
6.25 × 10−4 | 2.91 ± 0.15b1 | 3.00 ± 0.15b1 | 3.13 ± 0.18b1 | 3.35 ± 0.17b2 | 4.24 ± 0.24a2 | 2.78 ± 0.12b1 |