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Technical Brief |
1 Facultad de Ciencias Agrarias, Universidad de Talca, Talca, Chile; 2 Wente Vineyards, Livermore, CA 94550; and 3 Department of Viticulture and Enology, University of California, Davis, CA 95616.
* Corresponding author (fax: 530-752 0382; email: alwaterhouse{at}ucdavis.edu)
Dissolved oxygen was measured during low-level oxygenation treatments. As previously reported in the literature, continual oxygen additions augmented the dissolved oxygen levels of wines. Results here showed concentrations up to 2.4 mg oxygen/L. Conversely, nonoxygenated wines had concentrations as low as 4 µg oxygen/L in the center of the tanks. The analysis of dissolved oxygen in a winery setting requires an appropriate sampling procedure and a sensitive measuring device.
Key words: wine, oxygen, oxygenation, microoxygenation
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