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. 2020 Oct 30;11:584770. doi: 10.3389/fphar.2020.584770

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Copyright © 2020 Iyaswamy, Krishnamoorthi, Liu, Song, Kammala, Sreenivasmurthy, Malampati, Chun-Kit Tong, Selvarasu, CHEUNG, Lu, Tan, Huang, Durairajan and Min

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Qualitative analysis and herbal preparation of YZT. (A) The herbal materials of YZT were powdered boiled in water; the extract was concentrated and lyophilized to prepare YZT extract powder. LC-ESI-Q/TOF chromatograms (TIC) of (B) YZT, (C) CY, and (D) ADH. (E) Peaks: 1. Protopine, 2. Tetrahydropalmatine, 3. α-Allocryptopine, 4. Byakangelicin, 5. Coptisine, 6. Tetrahydroberberine, 7. Corydaline, 8. Berberine, 9. Palmatine, 10. Coptisine, 11. Dehydrocorydaline, 12. Psolaren, 13. Imperatorin, and 14. Isoimperatorin.