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Title

Grapevine-shoot stilbene extract as a preservative in red wine

AuthorsRaposo, Rafaela; Ruiz-Moreno, María José; Garde-Cerdán, Teresa ; Puertas, Belén; Moreno Rojas, José Manuel; Gonzalo-Diago, A. ; Guerrero, Raúl F.; Ortiz, Víctor; Cantos Villar, Emma
KeywordsSensorial
Olfactometry
Volatile compounds
Color
Sulfur dioxide
Stilbene
Issue Date15-Apr-2016
PublisherElsevier
CitationFood Chemistry 197(Part B): 1102-1111 (2016)
AbstractThis paper reports the use of a grapevine-shoot stilbene extract (Vineatrol®) as a preservative in red wine. Its effectiveness to preserve red wine quality under two different winemaking systems (traditional and Ganimede) was studied at bottling and after twelve months of storage in bottle. Enological parameters, color related parameters, volatile composition, sensory analysis and olfactometric profile were evaluated. At bottling wines treated with Vineatrol showed higher color related parameters and higher score in sensory analysis than those treated with SO. The use of SO increased ester and alcohol volatile compounds in relation to the use of Vineatrol. Wine olfactometric profile was modified by Vineatrol addition. Two new odorant zones with high modified frequency appeared in wines treated with Vineatrol. After 12 months of storage in bottle, wines treated with Vineatrol showed parameters related to oxidation. The weak point of the process seemed to be the evolution during the storage in bottle.
Publisher version (URL)http://doi.org/10.1016/j.foodchem.2015.11.102
URIhttp://hdl.handle.net/10261/146491
DOI10.1016/j.foodchem.2015.11.102
Identifiersissn: 0308-8146
Appears in Collections:(ICVV) Artículos
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