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  Indian J Med Microbiol
 

Figure 1: Chemical structures and chromatograms of 12 components (protopine, PTE; á-allocryptopine, ATP; coptisine, CTE; xanthotol, XTL; palmatine, PME; dehydrocorydaline, DCE; glaucine, GCE; tetrahydropalmatine, THP; tetrahydroberberine, TDE; imperatorin, IMP; corydaline, CDE; isoimperatorin, ISO) (a); representative chromatograms and ultraviolet spectrogram for determination of 12 components in four dosage forms of YZP (b).

Figure 1: Chemical structures and chromatograms of 12 components (protopine, PTE; á-allocryptopine, ATP; coptisine, CTE; xanthotol, XTL; palmatine, PME; dehydrocorydaline, DCE; glaucine, GCE; tetrahydropalmatine, THP; tetrahydroberberine, TDE; imperatorin, IMP; corydaline, CDE; isoimperatorin, ISO) (a); representative chromatograms and ultraviolet spectrogram for determination of 12 components in four dosage forms of YZP (b).