Ten-Year Surveillance of PCDDs/Fs and PCBs in Food and Feed from Central Italy (2016-2025): Low Contamination Levels Across Nine Food and Four Feed Categories.

Foods · 2026 · PMC13114574 · PMID 42073205

Europe PMC DOI

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a decreasing trendno p-value reported

Overall, these results indicate a decreasing trend in the exposure of the Italian population to PCDD/Fs and dl-PCBs in food, although our data are limited to two regions, while Diletti’s study represents the national situation.

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approached but did not reach significanceno p-value reported

Notably, comparisons involving ovine products consistently approached but did not reach significance ( p ranging from 0.068 to 0.094), suggesting a trend that may warrant further investigation with larger sample sizes, particularly for butter (n = 13) and cheese (n = 27).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.