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题名: Determination of radix ginseng volatile oils at different ages by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry
作者: Qiu, Yaqiong1;  Lu, Xin1;  Pang, Tao1;  Ma, Chenfei1;  Li, Xiang1;  Xu, Guowang1
通讯作者: 许国旺
关键词: GC x GC-TOF MS ;  Ginseng ;  Panax ginseng C. A. Mey. ;  Principal component analysis ;  Traditional Chinese medicine
刊名: JOURNAL OF SEPARATION SCIENCE
发表日期: 2008-10-01
DOI: 10.1002/jssc.200800253
卷: 31, 期:19, 页:3451-3457
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: Comprehensive 2-D GC (GC x GC) coupled with TOF MS or flame ionization detector (FID) was employed to characterize and quantify the chemical composition of volatile oil in the radixes of Panax ginseng C. A. Mey. (ginseng) at different ages. Thirty-six terpenoids were tentatively identified based on the MS library search and retention index in a ginseng sample at the age of 3 years. An obvious group-type separation was obtained in the GC x GC-TOF MS chromatogram. The data collected by GC x GC-FID were processed using a principal component analysis (PCA) method to classify the samples at different ages. The compounds responsible for the significant differentiation among samples were defined. It was found that the relative abundances of alpha-cadinol, alpha-bisabolol, thujopsene, and n-hexadecanoic acid significantly rise with the increase in age.
关键词[WOS]: GC X GC ;  PERFORMANCE LIQUID-CHROMATOGRAPHY ;  PHOTOREDUCTION FLUORESCENCE DETECTION ;  PANAX-GINSENG ;  AMERICAN GINSENG ;  CIGARETTE-SMOKE ;  QUALITY-CONTROL ;  RED GINSENG ;  HPLC-ELSD ;  GINSENOSIDES
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000260692900019
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/101119
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, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China

Recommended Citation:
Qiu, Yaqiong,Lu, Xin,Pang, Tao,et al. Determination of radix ginseng volatile oils at different ages by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry[J]. JOURNAL OF SEPARATION SCIENCE,2008,31(19):3451-3457.
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