Journal
FOOD AND CHEMICAL TOXICOLOGY
Volume 157, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.fct.2021.112585
Keywords
Dioxins and furans; Food; Dietary exposure; Tolerable intakes; Health risks
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It is established that dietary intake is the main route of human exposure to PCDD/Fs for non-occupationally exposed populations. Recent studies have focused on determining levels of PCDD/Fs in food samples of different origins and their dietary intake. Reductions in environmental emissions of PCDD/Fs have led to decreases in both food samples and biological tissues. Overall, current data shows that tolerable daily/weekly/monthly dietary intakes of PCDD/Fs are not being exceeded.
It is well established that for non-occupationally exposed populations, dietary intake is, by far, the main way of human exposure to polychlorinated dibenzo-p-dioxins and polychlorinated dibenzo-p-furans (PCDD/Fs), a family of environmental POPs with a well-known potential toxicity -including carcinogenicity-in humans. We here summarize the results of recent studies (2010-2021) (databases: Scopus and PubMed), focused on determining the levels of PCDD/Fs in food samples of different origins, as well as the dietary intake of these pollutants. We have revised studies conducted in various Asian, American and European countries. However, information is rather limited, with no recent data for most countries over the world. Due to the enormous differences in the methodologies of the studies, to conduct a detailed comparison of the results for the different regions and countries has not been possible. Notwithstanding, where data over time are available, important reductions have been observed. These reductions have been linked to the decreases in the environmental emissions of PCDD/Fs noted in recent years. Interestingly, reductions in the levels of PCDD/Fs in biological tissues are also occurring in parallel. In general, the tolerable daily/weekly/monthly dietary intakes of PCDD/Fs are not being currently exceeded where data are available.
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