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学科主题: 物理化学
题名: Microwave-assisted extraction of lactones from Ligusticum chuanxiong Hort. using protic ionic liquids
作者: Chi Yansheng1;  Zhang Zhida1;  Li Changping1, 2;  Liu Qingshan1;  Yan Peifang1;  Welz-Biermann, Urs1
通讯作者: 李长平 ;  UrsWelz-Biermann
刊名: GREEN CHEMISTRY
发表日期: 2011
DOI: 10.1039/c0gc00864h
卷: 13, 期:3, 页:666-670
收录类别: SCI
文章类型: Article
部门归属: 2
项目归属: 207
产权排名: 1,1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
摘要: Microwave-assisted extraction of lactones from Ligusticum chuanxiong Hort. using protic ionic liquids
研究领域[WOS]: Chemistry
英文摘要: Traditional Chinese medicine is still the main source for medical treatment in China. Extraction processes are usually adopted to separate bioactive ingredients from local plants. However, volatile traditional organic solvents are commonly used in the extraction process, which would lead to solvent loss and environment pollution. In this work, in order to improve the extraction process and develop a greener process, a microwave-assisted extraction (MAE) method was investigated to extract senkyunolide I, senkyunolide H and Z-ligustilide from Ligusticum chuanxiong Hort. Two ionic liquids, N, N-dimethyl-N-(2-hydroxyethoxyethyl)ammonium propionate (DMHEEAP) and N, N-dimethyl(cyanoethyl)ammonium propionate (DMCEAP), were employed as extractants. Important factors such as system temperature, extraction time, solid-to-solvent ratio and particle size were studied. The results show the system temperature was main factor which affects the microwave assisted extraction process. The extraction equilibrium could be reached in a short period of time. The extraction efficiency was not affected by the phase ratio within a certain solid/solvent ratio range. The particle size of Ligusticum chuanxiong powder had no remarkable effect on extraction efficiency. The back-extraction of protic ionic liquids using n-hexane was realized, and the concentration of senkyunolide I and senkyunolide H hardly decreased, but the concentration of Z-ligustilide decreased by 39.7%. The extraction mechanism of the investigated microwave assisted ionic liquid extraction was the same as traditional organic solvent extraction.
关键词[WOS]: CHROMATOGRAPHY-MASS-SPECTROMETRY ;  AROMATIC-HYDROCARBONS ;  WATER SAMPLES ;  MICROEXTRACTION ;  HEXAFLUOROPHOSPHATE ;  FLAVONOIDS ;  SOLVENTS ;  MEDIA ;  CO2
语种: 英语
WOS记录号: WOS:000288126300028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/115862
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian, Peoples R China
2.Dalian Univ, Coll Chem Engn & Environm, Dalian, Peoples R China

Recommended Citation:
Chi Yansheng,Zhang Zhida,Li Changping,et al. Microwave-assisted extraction of lactones from Ligusticum chuanxiong Hort. using protic ionic liquids[J]. GREEN CHEMISTRY,2011,13(3):666-670.
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