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Selenium levels in infant milk formula

I al-Saleh1, I al-Doush

  • 1Biological & Medical Research Department, King Faisal Specialist Hospital & Research Centre, Riyadh, Saudi Arabia.

Biometals : an International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
|November 14, 1997
PubMed
Summary

Commercial infant formulas contain adequate selenium levels for infants. Analysis confirmed mean selenium concentrations support recommended daily intake for babies aged 0-6 months, ensuring proper nutrition.

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Area of Science:

  • Nutritional Science
  • Analytical Chemistry
  • Pediatric Nutrition

Background:

  • Selenium is an essential trace element crucial for infant development.
  • Ensuring adequate selenium intake in infant formulas is vital for public health.
  • Previous analyses may not reflect current commercial product compositions.

Purpose of the Study:

  • To quantify selenium concentrations in various commercial infant milk formulas.
  • To assess the adequacy of selenium intake for infants based on formula analysis.
  • To compare measured selenium levels with established nutritional guidelines.

Main Methods:

  • Acid digestion of 24 commercial infant milk formula samples.
  • Inductively coupled plasma spectrometry with hydride generation for selenium analysis.

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  • Quantification of selenium using a validated analytical procedure.

    • Main Results:

    • Mean selenium concentration across all analyzed formulas was 49.0 ± 11.55 µg/L.
    • Observed selenium levels ranged from 26 to 68 µg/L.
    • Calculated daily selenium intake for infants (0-6 months) met US NRC (1989) recommendations.

    Conclusions:

    • Commercial infant formulas analyzed provide sufficient selenium for infants.
    • Current product formulations support adequate selenium nutrition for early infancy.
    • The analytical methodology employed is suitable for routine quality control.