Isolation and identification of odorants generated in wine during its oxidation: a gas chromatography-olfactometric study

被引：98

作者：

Escudero, A ^{[1
]}

Cacho, J ^{[1
]}

Ferreira, V ^{[1
]}

机构：

[1] Univ Zaragoza, Fac Sci, Dept Analyt Chem, E-50009 Zaragoza, Spain

来源：

EUROPEAN FOOD RESEARCH AND TECHNOLOGY | 2000年 / 211卷 / 02期

关键词：

wine; flavor; oxidation; aroma; gas chromatography-olfactometry;

D O I：

10.1007/s002179900128

中图分类号：

TS2 [食品工业];

学科分类号：

0832 ;

摘要：

The changes in the flavor profiles of several white wines undergoing oxidation were monitored through gas chromatography-olfactometry (GCO). The study showed that up to 19 odorants were generated during wine oxidation. and that several of the odorants originally present in the wine disappeared or decreased. An aroma extract dilution analysis revealed that 5 of these 19 odorants have maximum dilution factors, and that a second group of 7 may have some sensory significance as well. The isolation and identification of the different odorants was achieved via normal and reverse-phase high-performance liquid chromatography and high-resolution GCO. The impact odorants of oxidized wine were found to be 2, 4, 5-trimethyldioxolane, methional (methylthioproganal), sotolon (4,5-dimethyl-3-hydroxy-2(5H) -furanone), eugenol (4-propenyl-2-methoxyphenol) and an unknown compound with mass spectrum similar to methylvanillate. Other odorants also formed during wine oxidation were 1-octen-3-ol, t-2-nonenal, furfural, benzaldehyde, 2-butoxyethanol, acetovanillone and a dioxolane isomer.

引用

页码：105 / 110

页数：6

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