Table 1. The activities of glutathione related enzyme systems in red blood cells and plasma levels of muscle originated enzymes before and after the 80-km ride in four endurance horses. Values are means (± SEM). The level of significance is set at p < 0.05, paired samples t-test.
|
Pre |
After 80 km ride |
| Glutathione peroxidase (µmol·mg-1 Hb-1·min-1) |
.43 (.06) |
.53 (.03) |
| Glutathione reductase (nmol·mg-1 Hb-1·min-1) |
1.84 (.15) |
1.66 (.13) |
| Glutathione-S-transferase(µmol·mg-1Hb-1·min-1) |
.020(.002) |
.020 (.002) |
| Creatine kinase (U·l-1) |
275 (43) |
568 (137) |
| Aspartate aminotransferase (U·l-1) |
387 (13) |
423 (35) |