![]() ![]() The identification of the metabolites and their structural elucidation were performed by comparing the changes in molecular mass and defining sites of biotransformation based on the accurate MS n spectral information of diagnostic fragment ions. Parent compounds and metabolites of crude and processed Fructus Corni of Jiu Zheng Pin (JZP, JZP is produced after steaming the crude drug pre-steeped in wine) were detected by the on-line MS n detector in negative scan model. The purified samples were separated by a reversed-phase HPLC with C 18 column under a gradient elution. ![]() A microdialysis (MD) sampling coupled with electrospray ionization linear quadrupole ion trap mass spectrometry (LTQ-MS n) method has been developed for rapid and sensitive analysis of rat microdialysate metabolite profile of Fructus Corni, a well-known Traditional Chinese Medicine (TCM). ![]()
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