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Article

Characterization of the Oxygen Transmission Rate of New-Ancient Natural Materials for Wine Maturation Containers

1
Department of Agricultural and Forestry Engineering, UVaMOX, Universidad de Valladolid, Unidad Asociada al CSIC, 34004 Palencia, Spain
2
Department of Analytical Chemistry, UVaMOX, Universidad de Valladolid, Unidad Asociada al CSIC, 34004 Palencia, Spain
*
Authors to whom correspondence should be addressed.
Foods 2021, 10(1), 140; https://doi.org/10.3390/foods10010140
Received: 30 November 2020 / Revised: 1 January 2021 / Accepted: 7 January 2021 / Published: 11 January 2021
(This article belongs to the Special Issue New Technologies for the Production of Red Wines)
Today, there is a trend in enology promoting a return to the use of old natural materials for the manufacture of storage and maturation wine tanks. One of the most sought-after characteristics of these materials is their permeability to oxygen from the atmosphere to improve wines without this being a harmful process. The reference performance in wine aging is, without doubt, the oak barrel for its ability to oxidize wines in a controlled way, thus improving them. It would be possible to mature wines in containers in which the use of wood is not obligatory, as opposed to aging in oak barrels or foudres. This work presents the results of oxygen permeation analysis under test conditions typical of a tank containing wine, using materials, such as concrete and granite. The oxygen permeability of the materials tested was very diverse, typical of natural materials. The results showed that earthenware presents an excessive permeability, not only to atmospheric oxygen, but also to liquids and needs treatment before being used in liquid containers. Claystone and concrete can be impermeable to liquids, but maintain permeability to atmospheric oxygen—making them candidates for use in permeable tanks for wine maturation. Finally, granite has some very interesting characteristics, though thickness control is required when calculating the desired oxygen transmission rate. View Full-Text
Keywords: oxygen transmission rate; permeability; solubility; concrete; earthenware; claystone; granite; Qvevri oxygen transmission rate; permeability; solubility; concrete; earthenware; claystone; granite; Qvevri
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MDPI and ACS Style

Nevares, I.; del Alamo-Sanza, M. Characterization of the Oxygen Transmission Rate of New-Ancient Natural Materials for Wine Maturation Containers. Foods 2021, 10, 140. https://doi.org/10.3390/foods10010140

AMA Style

Nevares I, del Alamo-Sanza M. Characterization of the Oxygen Transmission Rate of New-Ancient Natural Materials for Wine Maturation Containers. Foods. 2021; 10(1):140. https://doi.org/10.3390/foods10010140

Chicago/Turabian Style

Nevares, Ignacio, and Maria del Alamo-Sanza. 2021. "Characterization of the Oxygen Transmission Rate of New-Ancient Natural Materials for Wine Maturation Containers" Foods 10, no. 1: 140. https://doi.org/10.3390/foods10010140

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