Optimization of the extraction and purification of Corydalis yanhusuo W.T. Wang based on the Q-marker uniform design method

摘要

The UPLC chromatogram of 8 Q-markers, each peak represents protopine, coptisine, palmatine hydrochloride, glaucine, dehydrocorydaline, (R)-(+)-corypalmine, tetrahydropalmatine and (+)-corydaline from 1 to 8, respectively. The samples chromatogram; the chromatogram of reference substances