Table 2.
Quantitative assessment of antioxidants, oxidative stress, and inflammation at baseline and after exercise following an intravenous saline or ascorbate infusion
| PL | VitC | |
|---|---|---|
| Ascorbate Pre, µg/mL | 8 ± 1 | 7 ± 3 |
| Ascorbate Post Ex, µg/mL | 8 ± 3 | 91 ± 30*† |
| CRP Pre, ng/mL | 1,674 ± 379 | 1,620 ± 357 |
| CRP Post Ex, ng/mL | 2,782 ± 660* | 1,757 ± 384† |
| MDA Pre, µM | 4.2 ± 0.4 | 3.9 ± 0.3 |
| MDA Post Ex, µM | 4.4 ± 0.4 | 4.3 ± 0.2 |
| SOD Pre, U/mL | 2.31 ± 0.36 | 1.95 ± 0.42 |
| SOD Post Ex, U/mL | 2.95 ± 0.35* | 4.46 ± 0.44*† |
| CAT Pre, μM | 113 ± 26 | 98 ± 18 |
| CAT Post Ex, μM | 163 ± 26* | 184 ± 21* |
| EPR (AUC) Pre | 2.7 ± 0.6 | 2.7 ± 0.6 |
| EPR (AUC) Post Ex | 9.5 ± 4.0* | 9.8 ± 3.4* |
Values are means ± SE. AUC, area under the curve; CAT, catalase; CRP, C-reactive protein; EPR, electron paramagnetic resonance; MDA, malondialdehyde; PL, placebo (saline); Post Ex, after exercise; Pre, baseline; SOD, superoxide dismutase; VitC, ascorbate. *P < 0.05 vs. Pre. †P < 0.05 vs. PL. N = 8.