Chinese Journal of Pharmacovigilance ›› 2023, Vol. 20 ›› Issue (2): 163-167.
DOI: 10.19803/j.1672-8629.20220590

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Study on the incompatibility of Veratrum nigrum Linn. and Sophora flavescens Ait. based on UPLC-QTOF/MS

WANG Chao1, WANG Yuguang2, MA Zengchun2, GAO Yue2*   

  1. 1Anhui Academy of Medical Sciences, Hefei Anhui 230061, China;
    2Institute of Radiation Medicine, Academy of Military Medical Sciences, Academy of Military Sciences, Beijing 100850, China
  • Received:2022-10-11 Online:2023-02-15 Published:2023-02-17

Abstract: Objective To investigate the changes of toxic compounds in the co-decoction of Sophora flavescens Ait. and Veratrum nigrum Linn. in order to provide data for studies on their incompatibility. Methods UPLC-QTOF/MS was used to detect the co-decoction and single decoction related to the incompatibility Sophora flavescens Ait. and Veratrum nigrum Linn.. The differences in characteristic compounds between the two groups were analyzed via principal component analysis (PCA), orthogonal partial least squares discriminant (OPLS-DA) and variable importance projection (VIP). The potential characteristic compounds were quickly identified by means of mass spectrometry database search. Results The contents of veratrum steroid alkaloids (VSA) derived from Veratrum nigrum Linn. increased significantly in the co-decoction of Sophora flavescens Ait. and Veratrum nigrum Linn.. A comparison between the two groups showed that there were significant differences in eight chemical components. The contents of veratrosine (peak 3), veralomine (peak 7), pseudojervine (peak 2), veratramine (peak 6), yibeissine (peak 4), 3-veratroyl- zygadenine (peak 9), verazine (peak 11) increased significantly, all of which might be potential chemical markers of toxicity and side effects caused by their compatibility. Conclusion The co-decoction of Sophora flavescens Ait. and Veratrum nigrum Linn. can promote the dissolution of VSA. The incompatibility of Sophora flavescens Ait. and Veratrum nigrum Linn. may be closely related to the content increase of several toxic components. The 10∶1 ratio of the co-decoction can be considered to underlie the contraindication of the incompatibility of Sophora flavescens Ait and Veratrum nigrum Linn..

Key words: Veratrum nigrum Linn., Sophora flavescens Ait., incompatibility, UPLC-QTOF/MS

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