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Title: Interpretation of CALUX results in view of the EU maximal TEQ level in milk
Authors: Van Overmeire, I ×
Van Loco, J
Roos, P
Carbonnelle, S
Goeyens, Leo #
Issue Date: 2004
Publisher: Elsevier science bv
Series Title: Talanta vol:63 issue:5 pages:1241-1247
Abstract: Analyses of dioxins in food have become increasingly important since the European Commission has enforced maximal toxic equivalent concentration (TEQ) levels in various food and feed products. Screening methodologies are usually used to exempt those samples that are below the maximum permitted limit and that can, therefore, be released to the market. In addition, one needs to select those samples that require confirmation of their dioxin TEQ level. When bioassays are used as screening tools, the interpretation of the obtained results should consider the higher variability and uncertainty associated with them. This paper explores the use of CALUX data as quantitative screening results. The validation of the method for the polychlorinated dibenzo-p-dioxins (PCDD)/F TEQ determination in milk samples is described with emphasis on the decision limit (CCalpha) and the precision of the method. The decision limit amounts to 4.53 pg TEQ/g fat. Repeatability and within-lab reproducibility coefficients of variation are below 30%. The newly introduced parameter CCalpha* of 1.47 pg TEQ/g fat delimits with CCalpha a range of suspicious results. These data are not significantly different from the maximum limit of 3 pg TEQ/g fat and should be confirmed by a confirmatory analytical method such as HRGC-HRMS. (C) 2004 Elsevier B.V. All rights reserved.
URI: 
ISSN: 0039-9140
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Food and Microbial Technology
× corresponding author
# (joint) last author

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