Journal: Frontiers in Plant Science
Article Title: Study on the correlation between alkaloids and tastes of Coptis Rhizome from four species based on UHPLC-QQQ-MS/MS combined with electronic tongue technique
doi: 10.3389/fpls.2024.1496789
Figure Lengend Snippet: The representative MRM chromatograms of mixed reference solution and samples of Coptis rhizome. (A) mixed reference solution, (B) test solution of Coptis chinensis rhizome, (C) test solution of Coptis deltoidea rhizome, (D) test solution of Coptis teeta rhizome, and (E) test solution of Coptis japonica rhizome. 1. magnoflorine, 2. tetrahydricheilanthifolinium, 3. coptisine, 4. epiberberine, 5. columbamine, 6. jatrorrhizine, 7. berberrubine, 8. berberine, 9. palmatine, 10. berlambine.
Article Snippet: Chemical reference substances (CRS), such as magnoflorine, tetrahydricheilanthifolinium, coptisine, epiberberine, columbamine, jatrorrhizine, berberrubine, berberine, palmatine, berlambine (purity ≥98%, HPLC grade), were purchased from Shanghai Yuanye Bio-Technology Co., Ltd. (Shanghai, China).
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