PREPARATIVE SEPARATION OF C-19-DITERPENOID ALKALOIDS FROM Aconitum carmichaelii Debx BY pH-ZONE-REFINING COUNTER-CURRENT CHROMATOGRAPHY
文献类型： 外文期刊
作者： Liu, Dahui 1 ; Shu, Xikai 2 ; Wang, Xiao 2 ; Fang, Lei 2 ; Huang, Luqi 2 ; Xi, Xingjun 3 ; Zheng, Zhenjia 3 ;
作者机构： 1.Yunnan Acad Agr Sci, Inst Med Plants, Kunming 650231, Peoples R China
2.Shandong Acad Sci, Shandong Anal & Test Ctr, Jinan 250014, Shandong, Peoples R China
3.China Natl Inst Standardizat, Beijing 100088, Peoples R China
关键词： Aconitum carmichaelii Debx;pH-zone-refining counter-current chromatography;diterpenoid alkaloids
期刊名称：QUIMICA NOVA （ 影响因子：0.961； 五年影响因子：1.091 ）
ISSN： 0100-4042
年卷期： 2013 年 36 卷 9 期
页码：
收录情况： SCI
摘要： The technique of pH-zone-refining counter-current chromatography was successfully applied to preparatively separate three C-19-diterpenoid alkaloids from the crude extracts of Aconitum carmichaelii for the first time using a two-phase solvent system of petroleum ether-ethyl acetate-methanol-water (5: 5: 1: 9, v/v/v/v). Mesaconitine (I), hypaconitine (II), and deoxyaconitine (III) were obtained from 2.5 g of the crude alkaloids in a one-step separation; the yields were 4.16%, 16.96%, and 5.05%, respectively. The purities of compounds I, II, and III were 93.0%, 95%, and 96%, respectively, as determined by HPLC. The chemical structures of the three compounds were identified by electrospray ionization mass spectrometry (ESI-MS) and NMR.
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