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research
Supercritical CO2 extraction applied toward the production of a functional beverage from wine
Authors
Beatriz Amador
Tiziana Fornari
+7 more
Laura Jaime
Mercé Mercader
Juan Antonio Nieto
Guillermo Reglero
Alejandro Ruiz-Rodríguez
Erika Vázquez
María Yuste
Publication date
1 January 2012
Publisher
'Elsevier BV'
Doi
Cite
Abstract
El pdf del artículo es la versión pre-print.-- et al.Supercritical CO2 extraction has been proved to be a potential tool in the recovery of aroma compounds from different natural sources and in the removal of ethanol from aqueous solutions. In this work, both ideas are combined to develop a two-step process toward the production of a low-alcohol beverage from wine, but maintaining the aroma and the antioxidant activity similar to that of the original wine. First, the recovery of aroma from wine was attained in a countercurrent packed column (white and red wines were investigated) using very low CO2/wine ratios. Then, the aroma-free wine recovered from the bottom of the extraction column was dealcoholized by applying different extraction conditions. The results obtained from these studies permit the design of a two-step countercurrent CO2 extraction process at 9.5 MPa and 313 K, in which the different CO2/wine ratios employed in each step lead to the recovery of aroma or the removal of ethanol. The two-step process was applied to rose wine and the low-alcohol beverage obtained proved to have similar antioxidant activity and similar aroma profile to that of the original wine. © 2011 Elsevier B.V. All rights reserved.The authors gratefully acknowledge the financial support from the Comunidad Autónoma de Madrid (ALIBIRD, project number S-505/AGR-0153) the Ministerio de Ciencia e Innovación (project AGL2007-64198/ALI), Spain and Miguel Torres S.A. (Proyect CENIT HIGEA CEN-20072003).Peer Reviewe
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