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A survey of dioxins (PCDDs and PCDFs) and dioxin-like PCBs in sheep and goat milk from Campania, Italy

Tratto da “Food Additives and Contaminants: Part B Vol. 3, No. 1, April 2010″

In 2008, after the crisis of buffalo dairy fields in Campania, Italy, an assessment of the contamination of polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDD/Fs) and dioxin-like polychlorinated biphenyls (dl-PCBs) was also necessary for other animal species bred in the region. The contents of PCDDs, polychlorinated dibenzofurans (PCDFs), and dl-PCBs were determined by high-resolution gas chromatography/mass spectrometry (HR-GC/MS) (according to USEPA method 1613) in 69 sheep and goat milk samples from 63 farms. In eleven samples from six sheep farms, the PCDD/Fs levels exceeded the maximum limit of 3.0 pg g1 fat established by the European Commission, in particular the concentrations ranged between 3.89 and 12.90 pg g1 fat. Statistical treatment of the results for the congener profiles of the non-compliant and compliant samples has been used to identify the sources of contamination.
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