| 光谱学与光谱分析 |
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| Comparative Study on UV Fluorescence Characteristics of Su Liquor |
| ZHENG Lei1，ZHU Tuo2*，CHEN Guo-qing2，KONG Yan2 |
1. School of Communication & Control Engineering, Jiangnan University, Wuxi 214122, China
2. School of Science, Jiangnan University, Wuxi 214122, China |
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Abstract In the present paper，the authors studied Guoyuan and Yanghe which are the most representative types of Su liquor. The authors got the three-dimensional fluorescence spectra of the liquor and analyzed their unique characteristics. Guyuan has obvious characteristics of the fluorescence in the 280-400 nm excitation wavelength range, including a major peak of fluorescence. Yanghe contains five clear fluorescence peaks in the 200-450 nm range of excitation wavelength. The two series of liquor have clear fluorescent characteristics in the 310-350 nm range of excitation wavelength, The range includes some organic compounds which play a decisive role in taste and flavor of Su liquor. The result of research provides a scientific basis for improving the mixing process of Su liquor and enhancing the quality of liquor.
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Received: 2009-08-16
Accepted: 2009-11-18
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Corresponding Authors:
ZHU Tuo
E-mail: tzhu@jiangnan.edu.cn
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