Jianguo Zeng

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High-performance liquid chromatography (HPLC) coupled with UV photodiode-array detection and electrospray ionization mass spectrometry was developed for the simultaneous analysis of caffeic acid(More)
RATIONALE Alkaloids with significant therapeutic effects are the main active constituents of Macleaya cordata, which is a perennial herb plant in the Papaveraceae family. A systematic and novel(More)
Alkaloids in Macleaya microcarpa were characterized systematically by combining liquid chromatography tandem mass spectrometry (LC-MS/MS) with the biosynthetic pathway of isoquinoline alkaloids. The(More)
RATIONALE Tissue-specific metabolite profiling helps to find trace alkaloids masked during organ analysis, which contributes to understanding the alkaloid biosynthetic pathways in vivo and evaluating(More)
BACKGROUND The dry root of Salvia miltiorrhiza Bunge (Danshen in Chinese) is an used-widely traditional Chinese herbal medicine with and promising efficacy. This herbal plant has been extensively(More)