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Identification of Different Varieties of Oil Peony Seeds Combining ICP-MS with Chemometrics and Assessment of Associated Health Risk

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Abstract

Peony seed is an excellent oil crop, and peony seed oil is rich in unsaturated fatty acids needed by the human body. In this study, inductively coupled plasma mass spectrometry (ICP-MS), fingerprint, and chemometrics, the correlation between the content of inorganic elements in oil peony seeds, their origins, and varieties were investigated. Meanwhile, estimated daily intake (EDI), target hazard quotient (THQ), hazard index (HI), and carcinogenic risks (CR) were combined to evaluate the comprehensive health risks of heavy metals in peony seed oil. The results showed that the difference in the content of inorganic elements could identify the varieties of oil peony seeds. Sr, K, Ca, V, Al, Fe, Cu, Ba, As, Ga, Co, and Rb were the characteristic inorganic elements that played a role in identification. In addition, The THQs and HIs (< 1) for non-carcinogenic elements indicated no risk. The CRs indicated that the carcinogenic harm was negligible. The study concluded that three varieties of peony seed oil would not pose any health hazard. It provided an effective comprehensive method for the identification of oil peony seeds and predicted the potential health risks of edible peony seed oil, providing a reference for the development and consumption of peony seed oil food.

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All data generated or analyzed during this study are included in this published article and its supplementary information file.

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Funding

This research was supported by grants from the Science and Technology Research Project of Chongqing Education Commission (KJZD-K202302804, KJQN202302814) and Chongqing Graduate Tutor Team Construction Project, Chongqing Education Commission Foundation (cqmudstd202216).

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Authors and Affiliations

  1. College of Pharmacy, Chongqing Medical University, #1 Yixueyuan Road, Yuzhong District, Chongqing, 400016, China

    Shuya Li, Dezhang Zhao, Yuan Shen, Lei Dai, Dan Yang, Yaxuan Li & Dan He

  2. Chongqing Institute of Traditional Chinese Medicine, Chongqing, 400065, China

    Weihan Qin

  3. Chongqing Pharmaceutical Preparation Engineering Technology Research Center, Chongqing Medical and Pharmaceutical College, Chongqing, 401331, China

    Lin Yang & Yan Li

Authors
  1. Shuya Li
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  2. Dezhang Zhao
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  7. Yaxuan Li
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  8. Lin Yang
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  9. Yan Li
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  10. Dan He
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Contributions

All authors contributed to the study conception and design. Shuya Li, Lei Dai, and Dan He conceived and designed the paper; Shuya Li and Dan He analyzed the literature and wrote the manuscript; Dezhang Zhao and Yuan Shen provided the lab facility. The first draft of the manuscript was written by Shuya Li and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Dan He.

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Li, S., Zhao, D., Shen, Y. et al. Identification of Different Varieties of Oil Peony Seeds Combining ICP-MS with Chemometrics and Assessment of Associated Health Risk. Biol Trace Elem Res (2023). https://doi.org/10.1007/s12011-023-03998-1

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