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  • Influence of the electrochemical potential in oenology
    Federico Casassa, California Polytechnic State University; Marcia Torres, Matanza Creek Winery
    EnoforumWeb videos: The measurement of RedOx potential in winemaking has an influence on a large number of chemical reactions and therefore has a great impact on the final quality of the wine.
    Published on: 07/07/2020

Novel non-specific liquid fingerprinting technology for wine analysis: a feasiblity study

J.J. Siivonen, P.I. Väisänen, S.A. Tiittanen, M.M. Lehmusto, P. Lehtonen, E. Patrikainen, T. Teimonen, N. Törnkvist, P. Mundill, P. Hänninen and H. Hä

 A novel, rapid and simple liquid fingerprinting technology is described and demonstrated for wine identification and for quality control.

The wine sample, selected chemical modulators on the surfaces of an array, and a long lifetime luminescent europium label interact non-specifically providing a unique luminescence fingerprint that is highly wine specific. The technique was applied to 15 red wines of different vintages from four European vineyards. The fingerprint data, in addition to identification and after data processing, show a significant correlation with the results from existing Fourier transform infrared spectroscopic and spectrophotometric methods of wine analysis.

Identification of individual wines through specific luminescent fingerprints provides a simple and efficient tool to combat wine adulteration and fraud. The same principles combined with proper data processing can enable the monitoring of other parameters such as wine aging.

This study demonstrates a fast, affordable and rapid test platform for red wine analysis.

(We recommend that you consult the full text of this article)

Published on 23/07/2014
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