4.7 Article

Total Iron Concentrations in Different Biological Matrices-Influence of Physical Training

期刊

NUTRIENTS
卷 14, 期 17, 页码 -

出版社

MDPI
DOI: 10.3390/nu14173549

关键词

iron; platelets; erythrocytes; plasma; serum and urine

资金

  1. Regional Government of Extremadura [GR21003]
  2. European Union from the European Funds for Regional Development
  3. University of Extremadura [1375]

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The aim of this study was to analyze the influence of long-term physical training on iron concentrations. The study found that individuals engaged in physical training had higher iron concentrations in plasma and serum, but lower concentrations in erythrocytes and platelets.
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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