Plasma and erythrocyte zinc in Brazilian professional female volleyball players
Keywords:
zinc, nutritional status, nutrition assessment, sportsAbstract
Objective
This study aimed to evaluate the nutritional status of zinc in 12 female volleyball players.
Methods
Zinc levels in plasma and erythrocytes were assessed by atomic absorption spectrophotometry. Zinc intake of
12 professional female athletes of a volleyball team from Curitiba, PR, aging from 18 to 24 years in 2003, was
determined by a 3-day food record.
Results
All athletes presented normal plasma zinc values. Erythrocyte zinc was lower than normal in 100% of the
athletes. Dietary intake of zinc was adequate in 83.33%. The significant decreases in erythrocyte content
could represent the acute effects of prolonged exercises which increases superoxide dismutase or carbonic
anhydrase utilization.
Conclusion
The athletes´ zinc nutritional status seemed to be inadequate. They had normal plasma zinc levels but the
erythrocyte zinc was below the normal values for all of them.
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Copyright (c) 2023 Louise Farah SALIBA, Vera Lúcia Cardoso Garcia TRAMONTE, Gerson Luis FACCIN
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