Dioxins and furans in cow milk and dairy products: A review of the scientific literature

Domingo, José L.

doi:10.1111/1471-0307.12917

Cited by 5 publications

(1 citation statement)

References 95 publications

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“…Polychlorinated biphenyls (PCBs) as well as polychlorinated dibenzo- p -dioxins (PCDDs) and dibenzofurans (PCDFs) are persistent organic pollutants (POPs). Due to their lipophilic and persistent nature, these substances are able to accumulate through the food chain and become an exposure source for consumers via fat-containing foods of animal origin, such as dairy products, eggs, meat, or fish . PCDDs and PCDFs are collectively and colloquially called “dioxins”.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on the Transfer of Polychlorinated Biphenyls (PCBs) and Polychlorinated Dibenzo-p-dioxins and Dibenzofurans (PCDD/Fs) into Milk of High-Yielding Cows during Negative and Positive Energy Balance

Krause,

Lamp,

Knappstein

et al. 2023

J. Agric. Food Chem.

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Dioxin-like polychlorinated biphenyls (dl-PCBs) as well as polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs) are a major concern for food safety, especially in fat-containing foods of animal origin, such as milk. Due to the lipophilic character of PCDD/Fs and PCBs, it is of special interest to explore whether the metabolic state of high-yielding cows influences the transfer rates into milk. Five German Holstein cows were orally exposed to a mixture of 17 PCDD/Fs, 12 dl-PCBs, and 6 non-dioxin-like PCBs (ndl-PCBs) for two dosing periods of 28 days each. The first period covered the negative energy balance (NEB) after calving, while the second period addressed the positive energy balance (PEB) in late lactation. Each dosing period was followed by a depuration period of around 100 days. During the NEB phase, the transfer rates of 14 PCDD/Fs and 7 dl-PCBs quantified were significantly (p ≤ 0.1) higher compared to the PEB phase, indicating an influence of the metabolic state on the transfer. Furthermore, the congener-specific transfer rates (0.3−39%) were in the range of the results from former studies. This indicates that the milk yield of the exposed cows is not the only determining factor for the transfer of these congeners into milk.

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Section: Introductionmentioning

confidence: 99%