Analyses of Stemona alkaloids in Stemona tuberosa by liquid chromatography/tandem mass spectrometry.

  title={Analyses of Stemona alkaloids in Stemona tuberosa by liquid chromatography/tandem mass spectrometry.},
  author={Yan Zhou and Ren‐Wang Jiang and Po Ming Hon and Yan-tong Xu and Yiu-Man Chan and Tak Wah Dominic Chan and Hong-Xi Xu and Li-Sheng Ding and Paul Pui-Hay But and Pang-Chui Shaw},
  journal={Rapid communications in mass spectrometry : RCM},
  volume={20 6},
  • Yan Zhou, R. Jiang, P. Shaw
  • Published 30 March 2006
  • Chemistry
  • Rapid communications in mass spectrometry : RCM
Alkaloid profiles in Stemona tuberosa were found to be highly variable. Six Stemona alkaloids isolated from the plant were subjected to on-line high-performance liquid chromatography/electrospray ionization mass spectrometry (HPLC/ESI-MS) and tandem mass spectrometry (MS/MS) analyses. Their fragmentation patterns and products were useful for their characterization. The LC/MS fingerprints of these alkaloids, though variable among samples, could provide an overall characterization of the… 
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