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A Modified (1)H-NMR Quantification Method of Ephedrine Alkaloids in Ephedrae Herba Samples

A previous (1)H-NMR method allowed the quantification of ephedrine alkaloids; however, there were some disadvantages. The cyclized derivatives resulted from the impurities of diethyl ether were identified and benzene was selected as the better extraction solvent. The locations of ephedrine alkaloids...

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Detalles Bibliográficos
Autores principales:	Li, Yue-Chiun, Wu, Chia-Hung, Le, Thi Ha, Yuan, Qingjun, Huang, Luqi, Chen, Guo-Fen, Yang, Mei-Lin, Lam, Sio-Hong, Hung, Hsin-Yi, Sun, Handong, Wu, Yi-Hung, Kuo, Ping-Chung, Wu, Tian-Shung
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	MDPI 2023
Materias:	Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10378770/ https://www.ncbi.nlm.nih.gov/pubmed/37511036 http://dx.doi.org/10.3390/ijms241411272

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