Quantification of alcohol in beverages by density and infrared spectroscopy methods

被引：5
|
作者：
Ramasami, P [1 ]
Jhaumeer-Laulloo, S
Cadet, F
Rondeau, P
Soophul, Y
机构：
[1] Univ Mauritius, Fac Sci, Dept Chem, Reduit, Mauritius
[2] Univ Reunion, Fac Sci, Lab Biochim & Genet Mol, St Denis Messageries, Reunion, France
来源：
INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION | 2005年 / 56卷 / 03期
关键词：
ethanol; methanol; density; infrared; PCA; PLS-2;
D O I：
10.1080/09637480500146713
中图分类号：
TS2 [食品工业];
学科分类号：
0832 ;
摘要：
The amount of ethanol in beverages has been quantified by density and infrared spectroscopy methods. The density method allows only the amount of ethanol to be quantified, while the infrared spectroscopy method allows the quantification of ethanol and, if any, the presence of contaminants such as methanol. The amount of ethanol quantified agrees to bottle declaration particularly for the infrared spectroscopy method. The infrared spectroscopy method coupled with a mathematical treatment (PCA and PLS-2) thus distinguishes itself as a fast and reliable technique for determining the amount of ethanol in beverages.
引用
收藏
页码：177 / 183
页数：7
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