Competitive and seasonal oxidative stress in elite alpine ski racers

  • Schippinger G
  • Fankhauser F
  • Abuja P
 et al. 
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Abstract

We investigated competitive- and long-term oxidative stress during a competition season in eight top-ranked members of the Austrian Men's Alpine Ski Team. Serum total peroxides, antibody titers against oxidized LDL (oLAb) and lag time of the degradation of the fluorophore 1-palmitoyl-2-((2-(4-(6-phenyl-trans-1,3,5-hexatrienyl)phenyl)ethyl)-carbonyl)-sn-glycero-3-phosphocholine were measured, along with plasma concentrations of ascorbate, alpha- and gamma-tocopherol, beta-carotene, uric acid and the lipid status. Competitive stress was indicated through an increased post-race uric acid level (286 +/- 50 microM pre-race vs 456 +/- 77 microM post-race, P

Author-supplied keywords

  • Cold climate
  • Intensive exercise
  • Moderate altitude
  • Reactive oxygen species

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Authors

  • Brigitte Winklhofer-RoobHuman Nutrition and Metabolism Research and Training Centre Graz

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  • G. Schippinger

  • F. Fankhauser

  • P. M. Abuja

  • K. Nadlinger

  • G. Halwachs-Baumann

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