A rapid and simple procedure for the determination of ephedrine alkaloids in dietary supplements by gas chromatography-mass spectrometry.

@article{Marchei2006ARA,
  title={A rapid and simple procedure for the determination of ephedrine alkaloids in dietary supplements by gas chromatography-mass spectrometry.},
  author={Emilia Marchei and Manuela Pellegrini and Roberta Pacifici and Piergiorgio Zuccaro and Simona Pichini},
  journal={Journal of pharmaceutical and biomedical analysis},
  year={2006},
  volume={41 5},
  pages={1633-41}
}
A simple method for the determination of ephedrine alkaloids: ephedrine (EF), pseudoephedrine (PE), norpseudoephedrine (NPE), norephedrine (NE) and methylpseudoephedrine (MPE) in dietary supplements by gas chromatography-mass spectrometry is described. After the addition of 3,4-methylenedioxypropylamphetamine as internal standard, a liquid-liquid extraction procedure in alkaline conditions with chloroform/isopropanol (9:1, v/v) was applied to the samples prior to analysis. Chromatography was… CONTINUE READING

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