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54 2015

Journal of Food and Nutrition Research
Súhrny čísla 1 / 2015

Čonka, K. – Fabišiková, A. – Chovancová, J. – Stachová Sejáková, Z. – Dömötörová, M. – Drobná, B. – Kočan, A.
Polychlorinated dibenzo-p-dioxins, dibenzofurans and biphenyls in food samples from areas with potential sources of contamination in Slovakia
Journal of Food and Nutrition Research, 54, 2015, č. 1, s. 50-61

Kamil Čonka, Department of Toxic Organic Pollutants, Slovak Medical University, Limbová 12, 833 03 Bratislava, Slovakia. E-mail: kamil.conka@szu.sk, tel.: + 421 2 59370233

Received 2 April 2014; revised 9 June 2014; accepted 7 July 2014; published online 12 February 2015

Súhrn: The contents of persistent organic pollutants (POPs) involving 2,3,7,8-substituted polychlorinated dibenzo-p-dioxins (PCDDs) and dibenzofurans (PCDFs), dioxin-like (DL-) and non-dioxin-like polychlorinated biphenyls (NDL-PCBs) were determined in 243 food samples of animal origin collected in 2006–2007 from sites in five regions of Slovakia with industrial POP sources (Košice, Krompachy, Nemecká, Šaľa) and one background region (Starina). Milk (cows’, goats’, ewes’), pork (bacon, lard, liver), hen eggs, game and fish samples were pre-treated, extracted and, after semi-automated clean-up and fractionation, target compounds were determined by isotope dilution analysis using high-resolution gas chromatography coupled to high-resolution mass spectrometry. The total toxic equivalent ranges and medians in picograms per gram of fat were as follows: cows’ milk 0.59–16, 3.0 (n = 31); goats’ milk 0.88–33, 5.4 (n = 14); ewes’ milk 0.61–20, 1.7 (n = 14); samples of pork origin 0.07–9.2, 0.55 (n = 38); hen eggs 0.19–181, 22 (n = 64); game 0.48–109, 4.8 (n = 45) and fish 0.04 6.5 pg·g-1 wet weight (median 0.88, n = 37). The levels of summed four NDL-PCB (IUPAC No. 101, 138, 153, 180) ranged between 0.19 ng·g-1 and 4 500 ng·g-1, median 13 ng·g-1.

Kľúčové slová: dioxins; furans; biphenyls; food; Slovakia

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