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Concentration and Probabilistic Health Risk of Polychlorinated Biphenyls in Cheese Samples Collected From Tehran, Iran Publisher



Shariatifar N1 ; Maftahi M2 ; Tooryan F2 ; Arabameri M3, 4
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Department of Food Hygiene, Faculty of Veterinary Medicine, Amol University of Special Modern Technologies, Amol, Iran
  3. 3. Food Safety Research Center (Salt), Semnan University of Medical Sciences, Semnan, Iran
  4. 4. Food and Drug Laboratory Research Center, Food and Drug Organization, Ministry of Health and Medical Education, Tehran, Iran

Source: International Journal of Dairy Technology Published:2022


Abstract

This study focused on the measurement of non-dioxin-like polychlorinated biphenyls (NDL-PCBs) in cheese samples (traditional and commercial cheese) by a modified QuEChERS (quick, easy, cheap, effective, rugged and safe) method by gas chromatography (GC) coupled with triple-quadrupole (QqQ) tandem mass spectrometry (MS/MS). The recovery of NDL-PCBs was in the range of 93.22–109.19%, and relative standard deviation (RSD) was in the range of 4.24–9.04%. Also, the limit of detections (LODs) and the limit of quantifications (LOQs) for the PCB analytes ranged from 0.04 to 0.14 ng/g and 0.120 to 0.420 ng/g respectively. The results showed that the mean level of Ʃ6-NDL-PCBs in cheese samples was 9.83 ± 3.12 ng/g and maximum was 18.27 ng/g fat, which was lower than the European Union (EU) standard levels (40 ng/g fat in dairy products). The estimated daily intake of 6 NDL-PCBs through cheese consumption was lower than the tolerable daily intake. Incremental lifetime cancer risk for children and adults due to six PCBs was 7.03E-6 and 3.14E-5, which was lower than the acceptable risk level (10−4). © 2022 Society of Dairy Technology.
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