Lianhua Qingwen capsule is a famous traditional Chinese medicine (TCM) prescription that is widely used for the treatment of respiratory diseases in China. To facilitate in-depth and global characterization of the chemical constituents of Lianhua Qingwen capsule, a profiling method based on ultra-high performance liquid chromatography combined with Fourier transform ion cyclotron resonance mass spectrometry (UHPLC-FT-ICR-MS) was applied in both positive and negative ion modes for the comprehensive characterization of the chemical profiles of Lianhua Qingwen capsule. A total of 596 compounds were identified or tentatively characterized, including 137 flavonoids, 46 phenylpropanoids, 43 phenylethanoid glycosides, 145 terpenoids, 83 organic acids and their derivatives, 15 quinones, 39 alkaloids, 32 alcohol glycosides and 56 other compounds. Thus, this results widely extended and enriched the chemical constituents of Lianhua Qingwen capsule, which will provide comprehensive and valuable information for its quality control and further pharmacological study, facilitate understanding the effective substance and pharmacodynamic material basis, thereby providing a solid foundation for further development of the Lianhuaqingwen capsule.
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Liu et al. (2024) studied this question.
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