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Effect of oak wood barrel capacity and utilization time on phenolic and sensorial profile evolution of an Encruzado white wine
Author(s) -
Nunes Paulo,
Muxagata Sara,
Correia Ana C,
Nunes Fernando M,
Cosme Fernanda,
Jordão António M
Publication year - 2017
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.8355
Subject(s) - aroma , winemaking , browning , white wine , wine , barrel (horology) , ellagic acid , food science , aging of wine , aroma of wine , gallic acid , antioxidant capacity , chemistry , polyphenol , geography , antioxidant , biochemistry , archaeology
BACKGROUND Several studies have reported the influence of diverse winemaking technologies in white wine characteristics. However, the impact of the use of different oak wood barrel capacities and utilization time on the evolution of white wine phenolic content and sensorial characteristics are not usually considered. Thus the aim of this work was to evaluate the effect of oak wood barrel capacity and utilization time on the evolution of phenolic compounds, browning potential index and sensorial profile of an Encruzado white wine. RESULTS For the 180 aging days considered, the use of new oak wood barrels induced a greater increase in global phenolic composition, including several individual compounds, such as gallic and ellagic acid, independently of the barrel capacity. Tendency for a lesser increase of the browning potential index values was detected for white wines aged in new oak wood barrels. The sensorial profile evolution, showed significant differences only for the aroma descriptors, namely for ‘wood aroma’ and ‘aroma intensity’, white wine aged in 225 L new oak wood barrels being the highest scored. CONCLUSION The results show that, in general, the use of different capacities and utilization time of oak wood barrels used for white wine aging could play an important role in white wine quality. © 2017 Society of Chemical Industry

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