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Half of UK Rice Breaches Arsenic Limits for Children

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Half of UK Rice Breaches Arsenic Limits for Children

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Scientists have called for labelling to warn the public about levels of arsenic in rice, after their research found half of rice varieties studied exceeded maximum limits on the deadly toxin.

In a study published in the journal Ecotoxicology and Environmental Safety (open access), a team at the University of Sheffield’s Institute for Sustainable Food found 28 out of 55 rice samples sold in the UK contained levels of arsenic that exceeded European Commission regulations for rice meant for the consumption for infants or young children. The research is the first to measure differences in human health risks from arsenic using a substantial number of rice varieties marketed in the UK.


The results showed that brown rice contained higher levels of the carcinogen than white or wild rice because it contains the bran – the outer layer of the grain. Meanwhile, organically grown rice was found to contain significantly higher levels than non-organically grown rice. White rice contained the lowest levels of arsenic.


Considering the health implications, the researchers concluded that babies under the age of one must be restricted to a maximum of 20 g per day of the 28 rice varieties that breached regulations, in order to avoid risks of developing cancer in later life. They have recommended that the UK government and European Commission introduce labelling to clarify whether rice is safe for consumption by babies and children under five.


Up to 90 per cent of UK households buy rice, with the average person consuming around 100 g per week. Rice and rice-based products are widely used for weaning and as baby food, due to their nutritional benefits and relatively low allergic potential – but, according to the European Food Safety Authority, children are two-three times more susceptible to arsenic risks than adults due to their lower body weight. 


Arsenic, which is classified as a Group 1 carcinogen by the International Agency for Research on Cancer, is water-soluble - so it accumulates in rice, which is grown in flooded fields more than other cereals. Arsenic exposure affects almost every organ in the body and can cause skin lesions, cancer, diabetes and lung diseases.


"Brown and wild rice are healthy foods full of fibre and vitamins, and there is no need for grown-ups to avoid them – but it is concerning to see so many varieties sold in the UK breaching food safety regulations.


Rice products are often considered a safe option for babies and young children, but our research suggests that for more than half of the rice we sampled, infants should be limited to just 20 g per day to avoid risks associated with arsenic. The government and the European Commission must introduce labelling to warn people of arsenic levels in rice to enable families to make informed food choices" commented Dr Manoj Menon, Environmental Soil Scientist in the Department of Geography at the University of Sheffield and lead author of the study.

Reference
Do arsenic levels in rice pose a health risk to the UK population? Manoj Menon et al. Ecotoxicology and Environmental Safety, Volume 197, 1 July 2020, 110601, https://doi.org/10.1016/j.ecoenv.2020.110601.

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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