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题名: SEPARATION OF THREE BIOACTIVE ISOMERS FROM BIDENS PILOSA BY COUNTERCURRENT CHROMATOGRAPHY
作者: Ping, Li1; Wang Yeling1; Guo Zhiyong1; Wu, Shibiao2, 3; Kennelly, Edward J.1, 2, 3; Wang Jianjun1; Li, Tang1; Long Chunlin1, 4
刊名: JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES
关键词: Bidens pilosa L ; bioactive isomers ; countercurrent chromatography ; LC-TOF-MS ; methyl dicaffeoyl quinate ; separation
英文摘要: Under LC-TOF-MS fraction-guided analysis, the n-butanol was extracted from Bidens pilosa. Three bioactivity isomers compounds, including methyl 3,4-dicaffeoyl quinate (1), methyl 3,5-dicaffeoyl quinate (2), and methyl 4,5-dicaffeoyl quinate (3) were successfully isolated by countercurrent chromatography (CCC) with two phase solvent system composed of chloroform-methanol-water-n-buthanol (4:3:2:0.5, v/v) elution. Their purities were 93.7%, 82.4%, and 91.8% determined by HPLC. HR-ESI-MS and NMR was used to confirm their structures. This is the first time the isolation of geometrical isomers of methyl dicaffeoyl quinates by CCC has been reported.
出版日期: 2014
卷号: 37, 期号:18, 页码:2598-2609
DOI标识: 10.1080/10826076.2013.853308
语种: 英语
收录类别: SCI
学科分类: Biochemical Research Methods ; Chemistry, Analytical
ISSN号: 1082-6076
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/18216
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Minzu Univ China, Coll Life & Environm Sci, Beijing 100081, Peoples R China
2.CUNY Herbert H Lehman Coll, Dept Biol Sci, New York, NY USA
3.CUNY, Grad Ctr, New York, NY USA
4.Chinese Acad Sci, Kunming Inst Bot, Kunming, Peoples R China

Recommended Citation:
Ping,Li;Wang Yeling;Guo Zhiyong;Wu,Shibiao;Kennelly,Edward J.;Wang Jianjun;Li,Tang;Long Chunlin.SEPARATION OF THREE BIOACTIVE ISOMERS FROM BIDENS PILOSA BY COUNTERCURRENT CHROMATOGRAPHY,JOURNAL OF LIQUID CHROMATOGRAPHY & RELATED TECHNOLOGIES,2014,37(18):2598-2609
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