| Group | Dose mg∙kg−1 | Pre-trial | 3 d | 9 d |
| NS | − | 4.63 ± 1.82 | 4.43 ± 1.05 | 5.33 ± 1.69 |
| PNS | − | 5.29 ± 2.68 | 73.45 ± 68.761) | 90.04 ± 65.381) |
| Leizhi | 10 | 4.81 ± 3.77 | 38.24 ± 13.412) | 28.23 ± 15.262) |
| GTW | 10 | 6.82 ± 4.09 | 54.68 ± 25.322) 3) | 33.23 ± 14.142) |
| Valsartan | 7.5 | 5.47 ± 1.68 | 44.46 ± 17.662) | 23.09 ± 5.412) |