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A new volatiles-based differentiation method of Chinese spirits using longpath gas-phase infrared spectroscopy

文献类型: 外文期刊

作者: Dong, D. 1 ; Zheng, W. 1 ; Wang, W. 1 ; Zhao, X. 1 ; Jiao, L. 1 ; Zhao, C. 1 ;

作者机构: 1.Beijing Acad Agr & Forestry Sci, Natl Engn Res Ctr informat Technol Agr, Beijing 100097, Peoples R China

关键词: Volatiles;Principal component analysis;FTIR;Chinese spirits

期刊名称:FOOD CHEMISTRY ( 影响因子:7.514; 五年影响因子:7.516 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The volatile compounds of different brands of Chinese spirits differ with respect to their composition and concentration. The infrared spectral characteristics of volatile gases from several brands of Chinese spirits were studied. We used a longpath gas cell to enhance the performance of the gas-phase infrared spectroscopy. Principal component analysis (PCA) was used for the discrimination of the different brands of spirits. It is demonstrated that different brands of Chinese spirits with the same flavour and from the same origin can be successfully differentiated.

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