Table 2.
Effects of hypoxia and exercise on antioxidants following supplementation
| Placebo group (n = 16) | Antioxidant group (n = 20) | |||||
|---|---|---|---|---|---|---|
| Normoxia | Hypoxia | Hypoxia | Normoxia | Hypoxia | Hypoxia | |
| Antioxidant | Rest | Rest | Exercise | Rest | Rest | Exercise |
| Ascorbate (ng mL−1) | 68.8 ± 4.1 | 70.1 ± 4.9 | 71.9 ± 5.1 | 104.2 ± 11.7 | 113.8 ± 7.4 | 111.0 ± 8.5† |
| α‐Tocopherol (mg mL−1) | 38.3 ± 3.1 | 39.0 ± 3.2 | 42.8 ± 3.8 | 41.2 ± 3.5 | 44.4 ± 4.4 | 46.0 ± 3.3 |
| γ‐Tocopherol (mg mL−1) | 1.90 ± 0.52 | 2.05 ± 0.45 | 1.57 ± 0.28 | 1.58 ± 0.20 | 2.89 ± 1.0 | 3.05 ± 0.50 |
| Retinol (μmol L−1) | 1.94 ± 0.10 | 1.69 ± 0.12 | 2.16 ± 0.08 | 1.95 ± 0.17 | 1.87 ± 0.12 | 2.09 ± 0.27 |
| Lutein (μmol L−1) | 0.14 ± 0.02 | 0.13 ± 0.02 | 0.15 ± 0.02 | 0.15 ± 0.02 | 0.14 ± 0.01 | 0.15 ± 0.02 |
| Zeaxanthin (μmol L−1) | 0.05 ± 0.005 | 0.05 ± 0.005 | 0.05± 0.005 | 0.04 ± 0.004 | 0.04 ± 0.003 | 0.05 ± 0.005 |
| β‐Cryptoxanthin (μmol L−1) | 0.08 ± 0.01 | 0.07 ± 0.01 | 0.09 ± 0.12 | 0.07 ± 0.03 | 0.06 ± 0.05 | 0.07 ± 0.04 |
| α‐Carotene (μmol L−1) | 0.04 ± 0.08 | 0.04 ± 0.07 | 0.05 ± 0.07 | 0.04 ± 0.007 | 0.03 ± 0.05 | 0.03 ± 0.003 |
| β‐Carotene (μmol L−1) | 0.13 ± 0.03 | 0.12 ± 0.02 | 0.15 ± 0.03 | 0.12 ± 0.02 | 0.09 ± 0.02 | 0.07 ± 0.01 |
| Lycopene (μmol L−1) | 0.12 ± 0.01 | 0.11 ± 0.01 | 0.15 ± 0.02 | 0.13 ± 0.02 | 0.11 ± 0.02 | 0.11 ± 0.02 |
Values are means ± SEM. †Different from placebo group for given inspirate and state (P < 0.05).