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题名: Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by high-speed counter-current chromatography
作者: Wu Hankui; Su Zhen; Yang Yi; Ba Hang; Aisa Haji Akber
通讯作者: Aisa, HA
关键词: Cichorium glandulosum ; HSCCC ; lactucopicrin ; 11 beta ; 13-dihydrolactucin ; lactucin
刊名: Journal of Chromatography A
发表日期: 2007
DOI: 10.1016/j.chroma.2007.11.013
卷: 1176, 期:40910, 页:217-222
收录类别: SCI
摘要: Because of the skeletal complexity and similarity of the polarity, little research was reported on the isolation of sesquiterpene lactones by high-speed counter-current chromatography (HSCCC). Herein, three sesquiterpene lactones were successfully purified from the ethyl acetate extract of the roots of the traditional Uyghur medicinal plant Cichorium glandulosum Boiss. et Huet. by HSCCC. The separation was performed in two steps with two solvent systems: n-hexane-ethyl acetate-methanol-water (1.5:5:2.75:5, v/v/v/v) and ethyl acetate-methanol-water (20:1:20, v/v/v). From 166 mg of the ethyl acetate extract, 19 mg of lactucopicrin was isolated with the first solvent system and 10 mg of 11β,13-dihydrolactucin and 16 mg of lactucin were obtained with the second solvent system. All purified compounds were over 94% purity as determined by HPLC analysis, and these chemical structures were confirmed by 1H NMR and 13C NMR.
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内容类型: 期刊论文
URI标识: http://ir.xjipc.cas.cn/handle/365002/2080
Appears in Collections:资源化学研究室_期刊论文

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作者单位: Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Xinjiang Key Lab Plant Resources & Nat Prod Chem, Urumqi 830011, Peoples R China;Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China

Recommended Citation:
Wu Hankui,Su Zhen,Yang Yi,et al. Isolation of three sesquiterpene lactones from the roots of Cichorium glandulosum Boiss. et Huet. by high-speed counter-current chromatography[J]. Journal of Chromatography A,2007,1176(40910):217-222.
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文件名: isolation of three sesquiterpene lactones from the roots of cichorium glandulosum boiss. et huet. by high-speed counter-current chromatography.pdf
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