Dissolved oxygen distribution during micro-oxygenation. Determination of representative measurement points in hydroalcoholic solution and wines

Analytica Chimica Acta
I NevaresC Gonzalez-Muñoz

Abstract

Red wine tank aging is monitored by organoleptic analysis, therefore, it is necessary to use an objective parameter representing the process. Among the possible parameters to be checked, it stands out the knowledge of dissolved oxygen because it offers the possibility of anticipating undesirable situations that bring about too much oxidation. Dissolved oxygen measurement, with non-intrusive luminescent technology is becoming an effective alternative. Uncertainty arises when trying to choose the measuring point able to represent the entire tank since previous works have considered the existence of gradients throughout the volume of the treated wine. This paper shows the results obtained from the study of the existence and the quantification of gradients of the dissolved oxygen in a 15% hydroalcoholic solution during the micro-oxygenation process. Different measuring point placements are studied and the solutions to monitor the process by controlling a representative point are set out. A successful monitoring of a red wine tank aging with alternative oak products and adaptative micro-oxygenation has proved that an objective control of the process is, indeed, possible.

References

Dec 20, 1999·Journal of Agricultural and Food Chemistry·N E Es-SafiM Moutounet
Apr 15, 2004·Journal of Agricultural and Food Chemistry·Azahara Lopez-ToledanoManuel Medina

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Citations

Jul 22, 2014·Journal of the Science of Food and Agriculture·María del Alamo-SanzaIgnacio Nevares
Dec 19, 2013·Critical Reviews in Food Science and Nutrition·Yang TaoDa-Wen Sun
Aug 19, 2014·Journal of Agricultural and Food Chemistry·María del Alamo-Sanza, Ignacio Nevares
Mar 15, 2012·Food Science and Technology International = Ciencia Y Tecnología De Los Alimentos Internacional·L GallegoE Cadahía
Aug 28, 2020·Foods·Maria CarpenaJesus Simal-Gandara
May 1, 2014·Comprehensive Reviews in Food Science and Food Safety·Estelle ChaixValérie Guillard

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