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Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
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Inorganic and Total Arsenic Contents in Rice and Rice-Based Foods Consumed by a Potential Risk Subpopulation:

M Cano-Lamadrid1, S Munera-Picazo1,2, A Burgos-Hernández3

  • 1Authors Cano-Lamadrid, Munera-Picazo, and Carbonell-Barrachina are with Univ. Miguel Hernández de Elche (UMH), Escuela Politécnica Superior de Orihuela (EPSO), Dept. of Agro-Food Technology, Research Group "Food Quality and Safety,", Carretera de Beniel, km 3.2, 03312-Orihuela, Alicante, Spain.

Journal of Food Science
|March 19, 2016
PubMed
Summary

Sportspeople consuming rice products show low inorganic arsenic (i-As) intake, below risk levels. Further dietary research is recommended, and rice product transparency is encouraged.

Keywords:
Oryza sativaarsenic speciationdietary intakefood safetymetalloids

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Area of Science:

  • Environmental Health
  • Food Safety
  • Toxicology

Background:

  • Inorganic arsenic (i-As) exposure is a significant public health concern, primarily through food, particularly rice and rice-based products.
  • While regulatory bodies have set i-As limits for infants and young children, other consumer groups may also be at risk.
  • Sportspeople, due to high cereal consumption, represent a potentially vulnerable group for i-As exposure.

Purpose of the Study:

  • To estimate the intake of inorganic arsenic (i-As) from rice-based products among sportspeople in Spain.
  • To assess the potential health risks associated with i-As consumption in this specific demographic.
  • To provide recommendations for food producers regarding product information.

Main Methods:

  • Analysis of inorganic arsenic (i-As) content in various rice-based food products available in Spain.
  • Calculation of estimated daily intake (EDI) of i-As for sportsmen and sportswomen based on consumption patterns.
  • Comparison of estimated i-As intake with established toxicological reference values (BMDL01).

Main Results:

  • Rice-based products exhibited a mean i-As content of 56 μg/kg, with maximum levels reaching 178 μg/kg.
  • Rice cakes and brown rice showed the highest i-As concentrations.
  • Estimated daily i-As intake for sportspeople was 0.16 μg/kg body weight/day for men and 0.18 μg/kg body weight/day for women, falling below the BMDL01.

Conclusions:

  • The studied group of sportspeople does not appear to be at significant risk from inorganic arsenic (i-As) intake via rice-based products.
  • Further research is necessary to evaluate the total dietary intake of i-As from all sources in sportspeople.
  • Food manufacturers should enhance product transparency by disclosing rice origin and percentage in their products.