Update of the risk assessment of inorganic arsenic in food

Dieter Schrenk, Margherita Bignami, Laurent Bodin, James Kevin Chipman, Jesús del Mazo, Bettina Grasl-Kraupp, Christer Hogstrand, Laurentius (Ron) Hoogenboom, Jean-Charles Leblanc, Carlo Stefano Nebbia, Elsa Nielsen, Evangelia Ntzani, Annette Petersen, Salomon Sand, Christiane Vleminckx, Heather Wallace, Lars Barregård, Diane Benford, Karin Broberg, Eugenia DogliottiTony Fletcher, Lars Rylander, José Cortiñas Abrahantes, Jose Ángel Gómez Ruiz, Hans Steinkellner, Tuuli Tauriainen, Tanja Schwerdtle

    Research output: Contribution to journalArticlepeer-review

    34 Citations (Scopus)

    Abstract

    The European Commission asked EFSA to update its 2009 risk assessment on arsenic in food carrying out a hazard assessment of inorganic arsenic (iAs) and using the revised exposure assessment issued by EFSA in 2021. Epidemiological studies show that the chronic intake of iAs via diet and/or drinking water is associated with increased risk of several adverse outcomes including cancers of the skin, bladder and lung. The CONTAM Panel used the benchmark dose lower confidence limit based on a benchmark response (BMR) of 5% (relative increase of the background incidence after adjustment for confounders, BMDL 05) of 0.06 μg iAs/kg bw per day obtained from a study on skin cancer as a Reference Point (RP). Inorganic As is a genotoxic carcinogen with additional epigenetic effects and the CONTAM Panel applied a margin of exposure (MOE) approach for the risk characterisation. In adults, the MOEs are low (range between 2 and 0.4 for mean consumers and between 0.9 and 0.2 at the 95th percentile exposure, respectively) and as such raise a health concern despite the uncertainties.

    Original languageEnglish
    Article numbere8488
    Pages (from-to)e8488
    JournalEFSA Journal
    Volume22
    Issue number1
    DOIs
    Publication statusPublished - Jan 2024

    Keywords

    • benchmark dose (BMD)
    • epidemiological studies
    • inorganic arsenic (iAs)
    • margin of exposure (MOE)
    • risk assessment

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