Test | Placebo | Ascorbic Acid (1000 mg) | ||||
---|---|---|---|---|---|---|
Pre-exercise | Post-exercise | 30 min post-exercise | Pre-exercise | Post-exercise | 30 min post-exercise | |
TAS, mM Trolox equivalent | 1.27 ± 0.04 | 1.29 ± 0.02 | 1.33 ± 0.02 | 1.28 ± 0.03 | 1.27 ± 0.02 | 1.31 ± 0.03 |
FRAP, μM FeSO4 equivalent | 74.0 ± 3.29 | 77.0 ± 3.54 | 78.1 ± 3.59 | 73.5 ± 3.25 | 77.2 ± 3.15 | 81.2 ± 3.35 a, p = 0.002 |
Plasma TBARS, μmol/g protein | 0.042 ± 0.003 | 0.038 ± 0.003 | 0.044 ± 0.007 | 0.039 ± 0.004 | 0.031 ± 0.002 a, 0.048, b, p = 0.046 | 0.030 ± 0.002 a, p = 0.034, b, p = 0.044 |
Glutathione peroxidase (GPx), U/g Hb | 133 ± 7.1 | 135 ± 7.6 | 128 ± 6.8 | 133 ± 5.3 | 130 ± 6.4 | 138 ± 7.3 |
Superoxide dismutase, U/g Hb | 2609 ± 263 | 3168 ± 461 | 3450 ± 454a, p = 0.022 | 2605 ± 375 | 2726 ± 340 | 2794 ± 364 |
Catalase, U/g Hb | 90 ± 11.1 | 90 ± 12.4 | 90 ± 16.2 | 94 ± 11.8 | 91 ± 16.0 | 92 ± 12.0 |