Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines

The oxidation processes of white wines can occur during storage and commercialization due to several factors, and these can negatively affect the color, aroma, and quality of the wine. Wineries should have faster and simpler methods that provide valuable information on oxidation stability of wines a...

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Main Authors: Emilio Celotti, Georgios Lazaridis, Jakob Figelj, Yuri Scutaru, Andrea Natolino
Format: Article
Language:English
Published: MDPI AG 2022-01-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/27/1/326
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author Emilio Celotti
Georgios Lazaridis
Jakob Figelj
Yuri Scutaru
Andrea Natolino
author_facet Emilio Celotti
Georgios Lazaridis
Jakob Figelj
Yuri Scutaru
Andrea Natolino
author_sort Emilio Celotti
collection DOAJ
description The oxidation processes of white wines can occur during storage and commercialization due to several factors, and these can negatively affect the color, aroma, and quality of the wine. Wineries should have faster and simpler methods that provide valuable information on oxidation stability of wines and allow fast decision-making procedures, able to trigger suitable technological interventions. Using a portable prototype instrument for light irradiations at different wavelengths and times was considered and evaluated on sensorial, spectrophotometric, and colorimetric parameters of white wines. The sensorial analysis revealed that white and light blue were the most significant, after only 1 h of irradiation. The experimental results showed that hydrogen peroxide could enhance the effect of light treatment, allowing a contemporary evaluation of the oxidation stability of wine against light and chemical stresses. As expected, a good correlation (R<sup>2</sup> > 0.89) between optical density at 420 nm and b* parameter was highlighted. The synergic effect of light and H<sub>2</sub>O<sub>2</sub> was also studied on the hydrolyzable and condensed tannins’ additions to white wine. The proposed methodology could be used to evaluate the oxidative stability of white wines, but also to evaluate the effect of some oenological adjuvants on wine stability.
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spelling doaj.art-8da9c036dcd04bc99b72516951b463172023-11-23T11:59:58ZengMDPI AGMolecules1420-30492022-01-0127132610.3390/molecules27010326Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White WinesEmilio Celotti0Georgios Lazaridis1Jakob Figelj2Yuri Scutaru3Andrea Natolino4Department of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, ItalyDepartment of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, ItalyDepartment of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, ItalyDepartment of Oenology and Chemistry, Technical University of Moldova, MD-2004 Chisinau, MoldovaDepartment of Agricultural, Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, ItalyThe oxidation processes of white wines can occur during storage and commercialization due to several factors, and these can negatively affect the color, aroma, and quality of the wine. Wineries should have faster and simpler methods that provide valuable information on oxidation stability of wines and allow fast decision-making procedures, able to trigger suitable technological interventions. Using a portable prototype instrument for light irradiations at different wavelengths and times was considered and evaluated on sensorial, spectrophotometric, and colorimetric parameters of white wines. The sensorial analysis revealed that white and light blue were the most significant, after only 1 h of irradiation. The experimental results showed that hydrogen peroxide could enhance the effect of light treatment, allowing a contemporary evaluation of the oxidation stability of wine against light and chemical stresses. As expected, a good correlation (R<sup>2</sup> > 0.89) between optical density at 420 nm and b* parameter was highlighted. The synergic effect of light and H<sub>2</sub>O<sub>2</sub> was also studied on the hydrolyzable and condensed tannins’ additions to white wine. The proposed methodology could be used to evaluate the oxidative stability of white wines, but also to evaluate the effect of some oenological adjuvants on wine stability.https://www.mdpi.com/1420-3049/27/1/326white winewine oxidationbrowninglight exposuretannins
spellingShingle Emilio Celotti
Georgios Lazaridis
Jakob Figelj
Yuri Scutaru
Andrea Natolino
Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
Molecules
white wine
wine oxidation
browning
light exposure
tannins
title Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
title_full Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
title_fullStr Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
title_full_unstemmed Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
title_short Comparison of a Rapid Light-Induced and Forced Test to Study the Oxidative Stability of White Wines
title_sort comparison of a rapid light induced and forced test to study the oxidative stability of white wines
topic white wine
wine oxidation
browning
light exposure
tannins
url https://www.mdpi.com/1420-3049/27/1/326
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AT jakobfigelj comparisonofarapidlightinducedandforcedtesttostudytheoxidativestabilityofwhitewines
AT yuriscutaru comparisonofarapidlightinducedandforcedtesttostudytheoxidativestabilityofwhitewines
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