Two new quaternary protoberberine alkaloids from Corydalis yanhusuo
✍ Scribed by Zhou, Qiong; Deng, An-Jun; Qin, Hai-Lin
- Book ID
- 126969832
- Publisher
- Taylor and Francis Group
- Year
- 2012
- Tongue
- English
- Weight
- 114 KB
- Volume
- 14
- Category
- Article
- ISSN
- 1028-6020
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## Abstract An efficient method for purification of alkaloids from __Corydalis yanhusuo__ W. T. Wang using HPLC was developed, featuring a polar‐copolymerized stationary phase named C18HCE. As ionizable solutes, the crude alkaloid sample often suffered from serious peak tailing problem on conventio
## Abstract The optimal extraction condition for extracting quaternary ammonium alkaloid dehydrocorydaline from __Corydalis yanhusuo__ W. T. Wang was investigated using orthogonal experimental design. pH‐zone‐refining counter‐current chromatography (CCC) with normal phase elution was successfully a
## Abstract Two‐dimensional preparative multi‐channel parallel high performance liquid chromatography was successfully applied for the first time to isolate and purify alkaloids from __Corydalis yanhusuo__. The experiments were performed in off‐line mode using the same preparative chromatographic c