A Rapid and Feasible <sup>1</sup>H-NMR Quantification Method of Ephedrine Alkaloids in <i>Ephedra</i> Herbal Preparations

A Rapid and Feasible <sup>1</sup>H-NMR Quantification Method of Ephedrine Alkaloids in <i>Ephedra</i> Herbal Preparations

A highly specific and sensitive proton nuclear magnetic resonance (<sup>1</sup>H-NMR) method has been developed for the quantification of ephedrine alkaloid derivatives in <i>Ephedra </i>herbal commercial prescriptions. At the region of δ 4.0 to 5.0 ppm in the <sup>1<...

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Bibliographic Details
Main Authors: Hsin-Yi Hung, Shih-Min Lin, Chia-Ying Li, Sio-Hong Lam, Yu-Yi Chan, Meei-Jen Liou, Po-Chuen Shieh, Fu-An Chen, Ping-Chung Kuo, Tian-Shung Wu
Format: Article
Language:English
Published: MDPI AG 2021-03-01
Series:Molecules
Subjects:
quantitative analysis
ephedrine
pseudoephedrine
<i>Ephedra</i>
<sup>1</sup>H-NMR
internal standard
Online Access:https://www.mdpi.com/1420-3049/26/6/1599

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https://www.mdpi.com/1420-3049/26/6/1599

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