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题名: Rapid quantification of sucrose esters in oriental tobacco by liquid chromatography-ion trap mass spectrometry
作者: Ding, Li;  Xie, Fuwei;  Zhao, Mingyue;  Wang, Sheng;  Xie, Jianping;  Xu, Guowang
通讯作者: 许国旺
关键词: liquid chromatography-mass spectrometry ;  quantification ;  sucrose esters ;  tobacco
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2007
DOI: 10.1002/jssc.200600270
卷: 30, 期:1, 页:35-41
收录类别: SCI
文章类型: Article
部门归属: 18
项目归属: 1808
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A rapid and sensitive LC-MS/MS method was developed for the quantitative determination of sucrose esters (SEs) in Oriental tobacco samples. The sample preparation involved a 10-min sonication extraction procedure with acetone and five-fold dilution of the extract with methanol. The experiment was carried out in positive ion mode by ESI IT mass spectrometer. Because of lack of authentic standards of SEs, sucrose octa-acetate (internal standard, IS) was used as a surrogate to validate the proposed method. Matrix-matched standard calibration was used for quantification of IS in the spiked samples. Under optimized MS/MS conditions, an LOQ of 3.9 mu g/g was achieved for IS, with an LOD of about 1.2 mu g/g. Recoveries for IS were 95-97%. Among 19 monitored SEs, the contents of 11 SEs had RSDs lower than 13.7%. The method, with very little sample handling and good sensitivity, was applied to the rapid quantification of SEs in four Oriental tobacco samples. It appears that the sum of contents of the five SEs with MW 650, 664, and 678 Da occupied approximately 80% of the total content of SEs.
关键词[WOS]: PESTICIDE-RESIDUES ;  TURKISH TOBACCO ;  SAMPLES ;  VEGETABLES ;  BIOSYNTHESIS ;  EXTRACTION ;  COMPONENTS ;  INJECTION ;  TRICHOMES ;  PLASMA
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000243776600007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/98779
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.Chinese Acad Sci, Natl Chromatog R&A Ctr, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.CNTC, Zhengzhou Tobacco Res Inst, Dept Chem, Zhengzhou, Peoples R China

Recommended Citation:
Ding, Li,Xie, Fuwei,Zhao, Mingyue,et al. Rapid quantification of sucrose esters in oriental tobacco by liquid chromatography-ion trap mass spectrometry[J]. JOURNAL OF SEPARATION SCIENCE,2007,30(1):35-41.
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