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Human exposure to trace elements through diet

N K Aras1, I Olmez

  • 1Department of Chemistry, Middle East Technical University, Ankara, Turkey.

Nutrition (Burbank, Los Angeles County, Calif.)
|September 1, 1995
PubMed
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This study analyzed minor and trace elements in Turkish diets across socioeconomic groups. It determined daily intakes and identified element sources, providing crucial nutritional insights.

Area of Science:

  • Nutritional Science
  • Environmental Chemistry
  • Public Health

Background:

  • Dietary intake of minor and trace elements is crucial for human health.
  • Understanding element levels in diverse populations is essential for public health assessments.
  • Socioeconomic factors can significantly influence dietary patterns and nutrient intake.

Purpose of the Study:

  • To determine the concentrations of over 25 minor and trace elements in total diet samples from Turkey.
  • To calculate the daily dietary intake of these elements for different socioeconomic groups.
  • To investigate the sources of these trace elements within the Turkish diet.

Main Methods:

  • Collected over 50 total diet samples using the duplicate-portion technique across various socioeconomic strata in Turkey.

Related Experiment Videos

  • Homogenized, freeze-dried, and analyzed samples for elemental content using atomic absorption spectrometry and instrumental neutron activation analysis.
  • Employed correlation coefficient and enrichment factor calculations to estimate trace element sources.

    • Main Results:

    • Quantified concentrations of more than 25 elements in the total diet.
    • Established daily dietary intake levels for various population groups based on socioeconomic status.
    • Identified potential sources contributing to trace element levels in the diet through statistical analysis.

    Conclusions:

    • Significant variations in elemental intake may exist across different socioeconomic groups in Turkey.
    • The study provides a baseline for understanding trace element exposure through diet in the Turkish population.
    • Further research can build upon these findings to inform dietary guidelines and public health interventions.