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Characteristics and Residual Health Risk of Organochlorine Pesticides in Fresh Vegetables in the Suburb of Changchun, Northeast China

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  • Nan Wang

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China)

  • Zhengwu Cui

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China
    University of Chinese Academy of Sciences, Beijing 100049, China)

  • Yang Wang

    (Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China)

  • Jingjing Zhang

    (College of Resources and Environment, Henan Agricultural University, Zhengzhou 450002, China)

Abstract

In this study, eleven organochlorine pesticides (OCPs) in fresh vegetables in the Changchun suburb were investigated, and their potential health risks were evaluated. The average concentrations of OCPs in edible parts of vegetables were found in the following descending order: Σhexachlorocyclohexanes (ΣHCHs) (6.60 µg·kg −1 ) > Σdichlorodiphenyltrichloroethanes (ΣDDTs) (5.82 µg·kg −1 ) > ΣChlordanes (2.37 µg·kg −1 ) > heptachlor (0.29 µg·kg −1 ). Moreover, OCPs in different types of vegetables exceeded the maximum residue limits (MRLs), and the exceeding rates in various vegetables decreased in the following order: leafy vegetables (19.12%) > root vegetables (18.75%) > fruit vegetables (3.85%). The proportions of OCPs exceeding MRL in different vegetables were found in the following descending order: Welsh onion (22.50%) > radish (18.75%) > Chinese cabbage (14.29%) > pepper (6.90%) > cucumber (3.23%) > eggplant (2.94%) > tomato (2.78%). The sources’ identification results showed that DDTs in vegetables came mainly from newly imported technical DDTs and dicofol, while HCHs originated mainly from lindane. For both adults and children, the average target hazard quotients (avg. THQ) were all less than 1, and the average hazard index (avg. HI) values were 0.043 and 0.036, respectively. There were no significant health risks associated with OCP exposure for the inhabitants of the study area.

Suggested Citation

  • Nan Wang & Zhengwu Cui & Yang Wang & Jingjing Zhang, 2022. "Characteristics and Residual Health Risk of Organochlorine Pesticides in Fresh Vegetables in the Suburb of Changchun, Northeast China," IJERPH, MDPI, vol. 19(19), pages 1-14, October.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:12547-:d:931351
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    References listed on IDEAS

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    1. Midmore, D. J. & Jansen, H. G. P., 2003. "Supplying vegetables to Asian cities: is there a case for peri-urban production?," Food Policy, Elsevier, vol. 28(1), pages 13-27, February.
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