Exposure assessment of dietary intake for marker polychlorinated biphenyls in China

PEI Ziwei; LI Yubai; ZHANG Xiaoyan; ZHANG Lei; LYU Bing; LI Jingguang; ZHAO Yunfeng; WU Yongning

doi:10.13590/j.cjfh.2022.05.016

Zhongguo shipin weisheng zazhi (Sep 2022)

Exposure assessment of dietary intake for marker polychlorinated biphenyls in China

PEI Ziwei,
LI Yubai,
ZHANG Xiaoyan,
ZHANG Lei,
LYU Bing,
LI Jingguang,
ZHAO Yunfeng,
WU Yongning

Affiliations

PEI Ziwei: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
LI Yubai: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
ZHANG Xiaoyan: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
ZHANG Lei: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
LYU Bing: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
LI Jingguang: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
ZHAO Yunfeng: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China
WU Yongning: China National Center for Food Safety Risk Assessment, NHC Key Laboratory of Food Safety Risk Assessment, Chinese Academy of Medical Sciences Research Unit (No. 2019RU014), Beijing 100021, China

DOI: https://doi.org/10.13590/j.cjfh.2022.05.016
Journal volume & issue: Vol. 34, no. 5
pp. 962 – 967

Abstract

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ObjectiveThrough the 6th Chinese Total Diet Study （TDS）， the contents of marker polychlorinated biphenyls （mPCBs） in representative Chinese dietary samples were obtained， and the dietary exposure assessment and temporal trend analysis of mPCBs were carried out.MethodsIstope dilution dilution-high resolution gas chromatography-high resolution mass spectrometry （HRGC-HRMS） was used to determine mPCBs in food composite samples， and the intakes of mPCBs of Chinese residents represented by the standard man were evaluated by deterministic approach.ResultsThe mPCBs were detected in all composite samples. The contents of mPCBs in varied dietary samples were different， and the animal diet were significantly higher than that of plant diet with the lowest in cereals and the highest in aquatic foods. The dietary intake of mPCBs of Chinese residents was 0.25［0.11， 0.62］ ng/kg·BW·d （geometric mean ± geometric mean standard deviation）. Compared with the results of the 4th TDS and 5th TDS， the dietary exposure level of Chinese residents decreased significantly （P<0.05）.ConclusionAlthough mPCBs were detected in all composite samples from 6th TDS， the dietary exposure level of Chinese residents continued to decline compared with 4th and 5th TDS. Compared with the relevant research results from European and American countries， the dietary exposure level of Chinese residents is relatively low.

Published in Zhongguo shipin weisheng zazhi

ISSN: 1004-8456 (Print)
Publisher: The Editorial Office of Chinese Journal of Food Hygiene
Country of publisher: China
LCC subjects: Technology: Chemical technology: Food processing and manufacture; Technology: Home economics: Nutrition. Foods and food supply
Website: http://www.zgspws.com/zgspwszzen/home

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