Extraction of volatile compounds in model wine from different oak woods: Effect of SO2

  1. Ancín, C. 1
  2. Garde, T. 1
  3. Torrea, D. 1
  4. Jimenez, N. 1
  1. 1 Department of Applied Chemistry, Univ. Pública de Navarra, Campus Arrosadía s/n, Pamplona 31006, Spain
Revista:
Food Research International

ISSN: 0963-9969

Any de publicació: 2004

Volum: 37

Número: 4

Pàgines: 375-383

Tipus: Article

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DOI: 10.1016/J.FOODRES.2004.01.007 SCOPUS: 2-s2.0-1942470406 DIALNET GOOGLE SCHOLAR

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Resum

The type of oak and the concentration of SO2, compound capable of combining with carbonyl groups, could have an influence on the extraction and on the concentration of the oak compounds in the wine. The aim of the present work is to study the extraction of volatile compounds (furanic compounds, lactone compounds, phenolic aldehydes and phenolic alcohols) from different oak woods in synthetic wine with two concentrations of SO2 (50 and 30 mg/L). From the results obtained, it was observed that the SO2 combined with vanillin and syringaldehyde, although at 30 mg/L its effect on these compounds could not be detected. Nevertheless, 5-hydroxymethylfurfural and coniferaldehyde took several days before being detected in the medium both at 50 and at 30 mg/L of the SO2. The SO2 did not affect the extraction of the rest of the compounds. A great variability was found in compounds extracted from wood, consequently, the cooperage oak selection should be based more on the combination species-origin than only on species. © 2004 Elsevier Ltd. All rights reserved.