Use of diffusion-ordered NMR spectroscopy and HPLC-UV-SPE-NMR to identify undeclared synthetic drugs in medicines illegally sold as phytotherapies

The informal (and/or illegal) e‐commerce of pharmaceutical formulations causes problems that governmental health agencies find hard to control, one of which concerns formulas sold as natural products. The purpose of this work was to explore the advantages and limitations of DOSY and HPLC–UV–SPE–NMR....

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Veröffentlicht in:	Magnetic resonance in chemistry 2013-09, Vol.51 (9), p.541-548
Hauptverfasser:	Silva, Lorena M. A., Filho, Elenilson G. A., Thomasi, Sérgio S., Silva, Bianca F., Ferreira, Antonio G., Venâncio, Tiago
Format:	Artikel
Sprache:	eng
Schlagworte:	Analgesics - analysis Analgesics - chemical synthesis Anti-Inflammatory Agents, Non-Steroidal - analysis Anti-Inflammatory Agents, Non-Steroidal - chemical synthesis Biological Products - analysis Brazil Chromatography, High Pressure Liquid - instrumentation Diffusion DOSY drug adulteration Drug Labeling Drugs Herbal medicine HPLC-UV-SPE-NMR illegal e-commerce Internet Magnetic Resonance Spectroscopy - instrumentation Medical Molecular Structure Plant Preparations - analysis Ranitidine Remedies Reproduction Solid Phase Extraction - instrumentation Spectrophotometry, Ultraviolet - instrumentation unknown formulas
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