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PCDDs PCDFS E Dioxin like-PCBs nel latte ovino in Sardegna = PCDDs, PCDFs and dioxin-like PCBs in sheep milk in Sardinia

Scarano, Christian and Storelli, Maria Maddalena and Virdis, S. and Spanu, Carlo and De Santis, Enrico Pietro Luigi and Marcotrigiano, Giuseppe Onofrio (2011) PCDDs PCDFS E Dioxin like-PCBs nel latte ovino in Sardegna = PCDDs, PCDFs and dioxin-like PCBs in sheep milk in Sardinia. Italian Journal of Food Safety = Rivista dell'Associazione Italiana dei Veterinari Igienisti, Vol. 1 (2), p. 75-80. ISSN 2239-7132. Article.

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Polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs) and dioxin-like polychlorinated biphenyls (DL-PCBs) are widespread contaminants with important implications for the environment protection and for the human health. Milk and dairy products consumption has been classified as one of the primary pathways of human exposure to these toxic chemicals. In this study we evaluated the levels of 17 laterally substituted PCDD/Fs and 12 DL-PCBs in 45 sheep milk samples collected from small dairy sheep farms in Sardinia (Italy). Mean concentrations of PCDDs and PCDFs were 2.31 and 3.11 pg g-1 fat basis, respectively. With regard to the DL-PCBs only PCB 118 was detected in 51.1% of samples (0.73 ng g-1 fat basis), while the rest of the studied congeners was never detected. The contamination of milk by PCDD/Fs and DL-PCBs (0.92 pg WHO-TEQ/g fat) being within the permissible limit set by the European Commission (6 pg WHO-TEQ/g fat) gives no indication of particular health risk. However, continuous surveillance on PCDD/Fs and DL-PCBs levels in milk is needed in order to correctly evaluate either the environmental impact and human health risk.

Item Type:Article
ID Code:7365
Uncontrolled Keywords:PCDDs, PCDFs, DL-PCBs, sheep milk
Subjects:Area 07 - Scienze agrarie e veterinarie > VET/04 Ispezione degli alimenti di origine animale
Divisions:001 Università di Sassari > 01 Dipartimenti > Biologia animale
Deposited On:12 Apr 2012 11:41

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