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Total Iron Concentrations in Different Biological Matrices-Influence of Physical Training
Francisco J Grijota1, Víctor Toro-Román2, Jesús Siquier-Coll3
1Faculty of Life and Nature Sciences, University of Nebrija, Campus La Berzosa, Calle del Hostal, 28248 Hoyo de Manzanares, Madrid, Spain.
Abstract:
Iron (Fe) is one of the most widely studied trace mineral elements. Fe metabolism and homeostasis could be altered by physical training. The aim of this study was to analyze the influence of long-term physical training on serum, plasma, urine (extracellular), erythrocyte and platelet (intracellular) Fe concentrations. Forty men from the same geographical area divided into a training group (TG; n = 20; 18.15 ± 0.27 years) and a control group (CG; n = 20; 19.25 ± 0.39 years) participated in this study. The TG was composed of soccer players of the highest youth category. The CG consisted of young people who did not follow any training routine and had not practiced any sport for at least the previous six months. The TG showed higher plasma and serum Fe concentrations (p < 0.05), but lower concentrations in erythrocytes and platelets compared to the CG (p < 0.01). Due to the differences observed in the extracellular and intracellular compartments, it seems necessary to perform a global Fe analysis to assess Fe status.
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