Antioxidant status and oxidative stress in elite alpine ski racers.
Int J Sport Nutr Exerc Metab
; 11(1): 32-41, 2001 Mar.
Article
in En
| MEDLINE
| ID: mdl-11334023
ABSTRACT
The goal of this study was to access antioxidant status and markers of oxidative damage in elite alpine ski racers during routine training. Subjects included 12 members of the U.S. Men's Alpine Ski Team attending a 10-day summer training camp. Blood draws were collected at rest and after exercise (a) prior to training, (b) following 2 days of dry land training, and (c) after 4 days of on-snow skiing. Seven measures of antioxidant status were determined using colorimetric and HPLC methods (Trolox equivalent antioxidant capacity, uric oxidase, alpha-tocopherol, total glutathione, cytosolic glutathione peroxidase, and superoxide dismutase). Oxidative stress was assessed using 2 markers of lipid oxidation (malondialdehyde and lipid hydroperoxides) and 2 markers of protein oxidation (carbonylated total proteins and carbonylated hemoglobin). The results of this study suggest that antioxidant status of elite alpine skiers may decline over a period of intense training. However, elevations in markers of oxidative stress were not evident.
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Skiing
/
Oxidative Stress
/
Antioxidants
Limits:
Adult
/
Humans
/
Male
Language:
En
Journal:
Int J Sport Nutr Exerc Metab
Journal subject:
CIENCIAS DA NUTRICAO
/
MEDICINA ESPORTIVA
/
METABOLISMO
Year:
2001
Document type:
Article
Affiliation country:
Estados Unidos