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The objective of this study was to evaluate if the analysis results of dioxins and dioxin-like PCBs in food matrices obtained using the screening CALUX (Chemically Activated LUciferase gene eXpression) method, could be used for quantitative risk assessment.Contamination data of dioxins and dioxin-like PCBs in food matrices (dairy product, eggs, fish, animal fat and vegetable oil) obtained by the CALUX...
As a consequence of an initiative of the local authorities of the city of Antwerp (Belgium), dioxin levels were determined in eggs from free range hens owned by private owners in the Northern districts of Antwerp. The reasons for this survey stem from some fears that free range eggs could be contaminated by local environmental sources (e.g. soil, grass, earthworms) as a result of the presence in this...
Differences between chemical activated luciferase gene expression (CALUX) bioassay and chemoanalyses results are observed.This paper shows that calculations of the TEQ values using REP values instead of WHO TEF values give different results. The REP values do affect the results obtained by the CALUX technique. These differences are more marked for the dioxin like PCB compounds (CALUX TEQ values are...
Many recent dioxin contamination events have been traced back to poisoned animal feed or feed ingredients. Therefore, enforcement authorities placed limits on the levels of dioxins in food and feed or implemented strict monitoring and control programs. The levels in force are generally expressed as TEQ values, which inherently accepts the underlying hypothesis that the effects of dioxin-like chemicals...
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