Chinese Journal of Pharmacovigilance ›› 2023, Vol. 20 ›› Issue (2): 152-156.
DOI: 10.19803/j.1672-8629.20211083

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Interactions of Psoralea corylifolia L. with Astragali Radix and Paeoniae Radix Rubra in rats based on pharmacokinetics

ZHAI Yuxia1, ZHANG Xiaoying1, MEN Weijie1, CHENG Liyuan1, ZHANG Yue1,2, ZHOU Kun1,2*   

  1. 1Institute of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China;
    2State key Laboratory of Component Traditional Chinese Medicine, Tianjin 301617, China
  • Received:2021-12-14 Online:2023-02-15 Published:2023-02-17

Abstract: Objective To study the changes of plasma pharmacokinetic parameters of psoralen and isopsoralen, the main toxic components of psoralen, after the compatibility of Astragali Radix, Paeoniae Radix Rubra and Psoralea corylifolia L.. Methods Thirty-two male SD rats were randomly divided into four groups: Psoralea corylifolia L. group, Psoralea corylifolia L.-Astragali Radix group, Psoralea corylifolia L.- Paeoniae Radix Rubra group, Psoralea corylifolia L.-Astragali Radix- Paeoniae Radix Rubra group. Blood was collected from the inner canthus at 0.25, 0.5, 0.75, 1, 2, 4, 6, 8, 10, 12, and 24 h after single intragastric administration. Plasma concentrations of psoralen and isopsoralen were detected with the UPLC -MS/MS method, and pharmacokinetic parameters were calculated via a non-attoventricular model using DAS3.0 software. Results The cmax and AUC of psoralen and isopsoralen decreased significantly when Psoralea corylifolia L. was combined with Paeoniae Radix Rubra, so did the cmax of isopsoralen in rat plasma when Psoralea corylifolia L. was combined with Astragali Radix. However, after the combination of Psoralea corylifolia L. and Astragali Radix and Paeoniae Radix Rubra, the AUC0-t of psoralen and isopsoralen decreased significantly in rat plasma, so did the AUC0-∞ and cmax of isopsoralen. Conclusion The combination of Astragali Radix, Paeoniae Radix Rubra and Psoralea Corylifolia L. can reduce the exposure of psoralen and isopsoralen in vivo. Paeoniae Radix Rubra or Astragali Radix plus Psoralea corylifolia L. can reduce plasma cmax and AUC0-t , but the MRT of isopsoralen in plasma of rats in the Psoralea corylifolia L.- Astragali Radix- Paeoniae Radix Rubra group is prolonged, the specific mechanism of which needs to be further studied.

Key words: Psoralea corylifolia L., Astragali Radix, Paeoniae Radix Rubra, compatibility, psoralen, isopsoralen, pharmacokinetics, rats

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