Cadmium and lead content in gluten and gluten-free bread available on the Polish market – potential health risk to consumers
 
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1
Department of Human Nutrition, Faculty of Public Health in Bytom, Medical University of Silesia, Katowice, Poland
 
2
Department of Environmental Health, Faculty of Public Health in Bytom, Medical University of Silesia, Katowice, Poland
 
3
Department of Environmental Health Risk Factors, Faculty of Public Health in Bytom, Medical University of Silesia, Katowice, Poland
 
 
Corresponding author
Małgorzata Ćwieląg-Drabek   

Zakład Środowiskowych Czynników Ryzyka Zdrowia, Wydział Zdrowia Publicznego w Bytomiu, Śląski Uniwersytet Medyczny w Katowicach, ul. Piekarska 18, 41-902 Bytom
 
 
Ann. Acad. Med. Siles. 2023;77:255-263
 
KEYWORDS
TOPICS
ABSTRACT
Introduction:
Grain products, especially bread, play an essential role in the nutrition of people around the world. However, due to the release of excessive amounts of pollutants into the environment, grain products may also contain some amounts of potentially toxic elements, which may have a negative effect on the human body.

Material and methods:
The aim of the study is to analyze the content of heavy metals in selected gluten and gluten-free breads available on the Polish market, and to assess the non-cancerous and cancerous exposure of consumers to cadmium (Cd) and lead (Pb). This assessment covered the exposure of eight age groups. The content of Cd and Pb was determined by the ET-AAS method.

Results:
The highest mean concentration of Cd was recorded in wheat-rye bread (0.072 mg/kg), the lowest in gluten-free bread (0.021 mg/kg). The general distribution of Cd in individual types of bread was as follows: wheat-rye > wheat > rye > gluten-free bread.

Conclusions:
The estimation of exposure to Cd and Pb of the consumers of wheat and wheat-rye bread showed that a significant health risk may occur in the population of children < 11 years of age.

FUNDING
The present study was funded by the Medical University of Silesia, Katowice, Poland – grant number PCN-2-018/N/0/Z.
CONFLICT OF INTEREST
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
 
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