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A Rapid and Feasible (1)H-NMR Quantification Method of Ephedrine Alkaloids in Ephedra Herbal Preparations
A highly specific and sensitive proton nuclear magnetic resonance ((1)H-NMR) method has been developed for the quantification of ephedrine alkaloid derivatives in Ephedra herbal commercial prescriptions. At the region of δ 4.0 to 5.0 ppm in the (1)H NMR spectrum, the characteristic signals are separ...
| Autores principales: | , , , , , , , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
MDPI
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8001580/ https://www.ncbi.nlm.nih.gov/pubmed/33805790 http://dx.doi.org/10.3390/molecules26061599 |