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Effect of controlled micro-oxygenation on white wine
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Effect of controlled micro-oxygenation on white wine
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Effect of controlled micro-oxygenation on white wine
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Journal Article
Effect of controlled micro-oxygenation on white wine
2018
Overview
The aim of the study was to determine the effect of controlled micro-oxygenation on the fermentation process of two types of white wine (ʻPinot Blancʼ and ʻPinot Grisʼ). The wine was micro-oxygenated during fermentation and maturation. During fermentation, the antioxidant activity was monitored by the DPPH method and the ammonia nitrogen and nitrogen content of the amino acids and the number of cells in 1 mL of fermenting must were also monitored. In micro-oxygenated wine, the growth of cell mass in the first third of the fermentation was recorded and showed an increase in ammonia nitrogen consumption compared to the control experiment. During fermentation, a slight increase in antioxidant activity was observed in the micro-oxygenated wine. For the aromatic profile measured by GC analysis, a higher content of aromatics, mainly esters, was observed in the micro-oxygenated wine. This was also present in the sensory evaluation.
