文献类型： 外文期刊
第一作者： Bai, Yongzhi
作者： Bai, Yongzhi;Li, Changyu;Zhao, Jinghui;Zheng, Peihe;Li, Yali;Wang, Yingping;Pan, Yongqi
作者机构：
关键词： Aconitum coreanum;Guanfu base A;LC-ESI-MS;Pulsed electric field
期刊名称：CHROMATOGRAPHIA （ 影响因子：2.044； 五年影响因子：1.725 ）
ISSN：
年卷期：
页码：
收录情况： SCI
摘要： A high yield method to extract alkaloids from Aconitum coreanum using pulsed electric field (PEF) was developed, and the optimized extraction method compared to the other four extraction methods, consisting of cold maceration extraction, percolation extraction, heat reflux extraction (HRE), and ultrasonic-assisted extraction (UE). The experimental factors of the extraction methods such as electric field intensity, pulse frequency and solid-to-solvent ratio were evaluated. The content of Guanfu base A (GFA) was quantified by liquid chromatography coupled with electrospray ionization tandem mass spectrometry. The results indicated that the highest yield of GFA was 3.94 mg g~(-1) by PEF with conditions of 20 kV cm~(-1) electric field intensity, 8 pulse, 1:12 solid-to-solvent ratio, and 90 % ethanol-water solution. Meanwhile, the extraction time of PEF was <1 min, which is much less than the HRE of 10 h and even the newly used technique UE of 40 min. Moreover, the results of PEF extraction method showed obvious advantages, with the highest efficiency (120 L h~(-1)), the shortest extraction time (0.5-1 min), and the lowest energy costs, which could be applied in the industrial production of alkaloids from A. coreanum. Therefore, the application of the PEF extraction method is a promising and constructive method for extraction of GFA.
分类号： O65
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