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Title

Sensory changes during bottle storage of Spanish red wines under different initial oxygen doses

AuthorsSáenz-Navajas, María-Pilar; Avizcuri, J. M. ; Ferreira, P. ; Fernández-Zurbano, Purificación
KeywordsWine
Oxygen
Sensory analysis
Post-bottling storage
Issue DateDec-2014
PublisherElsevier
CitationFood Research International 66: 235-246 (2014)
Abstract© 2014 Elsevier Ltd. Sixteen commercial Spanish red wines selected to cover a wide range of sensory properties were stored at 25°C for 6months in air-tight containers under different oxygen doses (0-30mgL-1) mimicking real and extreme bottling situations. The 16 initial samples (before storage) and the 80 stored samples (16 wines×5 oxygen doses) were submitted to sensory analysis. Sensory changes related to post-bottling storage and initial oxygen dose were evaluated by means of discriminant and characterisation sensory strategies.Significant increases in black fruits, dried fruits, woody, lactic and stronger increases in cooked vegetables and spicy notes reveal a general pattern of aroma evolution. Remarkable departures to this general pattern have been observed, which can be related to the initial sensory properties of the wines and to their basic polyphenolic composition. The effect of post-bottling storage in bitterness is wine dependent, while global decreases in both global intensity and persistence evaluated in mouth are observed. Discrete increases in astringency are observed for wines with the lowest initial astringent scores. Important sensory interactions between aroma attributes (herbal and spicy) and bitterness and between roasted and astringency perception are shown. Little impact of the initial oxygen dose in the in-mouth sensory properties is reported. These results are relevant for wine experts in that they help understanding the evolution of wine sensory properties in the bottling stage. This study may help them to develop strategies for managing this winemaking stage with objective criteria.
Publisher version (URL)http://doi.org/10.1016/j.foodres.2014.08.053
URIhttp://hdl.handle.net/10261/144375
DOIhttp://dx.doi.org/10.1016/j.foodres.2014.08.053
Identifiersissn: 0963-9969
Appears in Collections:(ICVV) Artículos
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