Table 4.
Superoxide-radical scavenging activity of chitosan and chitosan derivatives (0.01 < * p < 0.05, 0.001 < ** p < 0.01, *** p < 0.001 vs. CS at the same concentration).
| Sample | Superoxide-Radical Scavenging Rate (%) | ||||
|---|---|---|---|---|---|
| 0.1 mg/mL | 0.2 mg/mL | 0.4 mg/mL | 0.8 mg/mL | 1.6 mg/mL | |
| CS | 23.31 ± 0.41 | 25.22 ± 0.54 | 28.49 ± 1.64 | 34.17 ± 0.78 | 34.72 ± 1.33 |
| CTCS | 27.01 ± 1.39 | 32.48 ± 3.36 | 39.74 ± 2.96 * | 50.16 ± 1.66 ** | 70.14 ± 0.65 *** |
| a | 44.42 ± 1.41 ** | 54.29 ± 1.36 *** | 60.91 ± 1.98 *** | 76.49 ± 1.59 *** | 82.73 ± 0.70 *** |
| b | 48.05 ± 0.40 * | 57.14 ± 2.54 ** | 64.03 ± 2.62 *** | 78.57 ± 0.78 *** | 90.52 ± 1.33 *** |
| c d |
51.69 ± 0.43 ** 53.77 ± 1.58 *** |
57.79 ± 1.56 *** 61.82 ± 1.32 * |
63.51 ± 2.71 *** 69.48 ± 0.42 *** |
80.52 ± 2.69 *** 82.60 ± 2.36 ** |
92.61 ± 1.29 *** 93.93 ± 1.41 *** |