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学科主题物理化学
Investigation of non-volatile components in chinese spirits by gas chromatography/mass Spectrometry
Zheng W(郑伟); Guo KL(郭坤亮); Lu X(路鑫); Ji KL(季克良); Yan LH(阎联合); Zhou SF(周申范); Xu GW(许国旺)
会议名称Dalian International Symposia and Exhibition on Chromatography
会议日期2007-6-4
2007-06-04
会议地点中国
页码294/1
ISSN978-7-122-00450-5
部门归属十八室
主办者CAS等
英文摘要Chinese spirit is a complex mixture of chemicals, and contains hundreds chemical constituents. Its main classes include esters, acids, alcohols, aldehydes, ketones, phenols, acetals, nitrogen-heterocyclic and sulfur-containing compounds. Detailed investigations have been carried out on Chinese spirit compositions, but most of them focused on volatile and semi-volatile components. Limited studies of non-volatile components affect comprehensive cognition on Chinese spirits. A derivatization-gas chromatography/ mass spectrometry (GC/MS) method was developed for characterization of non-volatile components in Chinese spirits. Derivatization conditions were investigated, including reaction temperature and time. Under optimized trimethylsilylation procedure, derivatives were separated and identified by GC/MS. Using the developed method, non-volatile components in Chinese spirits were identified, including high boiling point organic acid, esters, alcohols, sugar, acetals and pyrazines. Organic acids include C4-C20 fatty acid and lactic acid. Non-volatile alcohols include 2,3-butanediol, C10, C12 and C14 alcohols and some polyalcohol. Sugars include glucose, fructose, lactose and arabinose. The homologous series of saturated straight-chain fatty acids ethyl ester from C4-C20 were also detected. Non-volatile constitutes in four types typical Chinese spirits were compared. The results show that the most abundance of non-volatile constitutes in Maotai. It contains higher content organic acids and esters, and lower content sugars. Jiannanchun and Luzhoulaoxiao contain higher content sugars and lower content organic acids. The content of lactic acid and 2,3-butanediol in Maotai is far higher than that in other three types.
语种中文
文献类型会议论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/112574
专题中国科学院大连化学物理研究所
通讯作者Xu GW(许国旺)
推荐引用方式
GB/T 7714
Zheng W,Guo KL,Lu X,et al. Investigation of non-volatile components in chinese spirits by gas chromatography/mass Spectrometry[C],2007:294/1.
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