Study on Fluorescence Spectra of Chinese Rice Wine
LIU Zhou-yi1,ZHU Tuo2*,GU En-dong1,LIU Ying3,SONG Chun-yuan3
1. School of Communication and Control Engineering，Southern Yangtze University，Wuxi 214122，China 2. School of Science，Southern Yangtze University，Wuxi 214122，China 3. Department of Physics，Xuzhou Normal University，Xuzhou 221116，China
Abstract：Chinese rice wine has a history of more than 5 000 years, only in China, which is called ”Nation Wine”, and Shao Xing Chinese rice wine is a representative of it. The fluorescence spectra of 3 kinds of Shao Xing Chinese rice wine with different storage age induced by suitable UV-light were obtained in the present paper through experiment. The authors compared and analyzed them comprehensively by using three dimensional contour and two dimensional fluorescence technique, and found that their best induced light was all in the vicinity of 370 nm. The peak wavelength of 3 year storage age wine was 504 nm, while 488 nm and 505 nm were for 5 and 8 year storage age wine respectively. The emitted fluorescence existed in 400 to 680 nm, which had wide peak. More over, the emitting mechanism of Shao Xing Chinese rice wine was discussed. The authors also have explained the similarity and difference of fluorescence spectra among the 3 kinds of wine. The reason for wide fluorescence peak was also analyzed. This investigation contributes to the study of the characteristic, year detection and food safety of Chinese rice wine.
刘周忆1,朱拓2*,顾恩东1,刘莹3,宋春元3. 黄酒的荧光光谱研究[J]. 光谱学与光谱分析, 2008, 28(10): 2409-2412.
LIU Zhou-yi1,ZHU Tuo2*,GU En-dong1,LIU Ying3,SONG Chun-yuan3. Study on Fluorescence Spectra of Chinese Rice Wine. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(10): 2409-2412.
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