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Título: | Determination of Odorants in Varietal Wines from International Grape Cultivars (Vitis vinifera) Grown in NW Spain |
Autor: | Vilanova de la Torre, María del Mar CSIC ORCID ; Genisheva, Zlatina; Graña, M.; Oliveira, J. M. | Palabras clave: | Wine volatile compounds Vitis vinfera NW Spain |
Fecha de publicación: | 2013 | Editor: | South African Society for Enology & Viticulture | Citación: | South African Journal of Enology and Viticulture, 34(2): 212-222 (2013) | Resumen: | This work was carried out to investigate the odorants found in ten varietal wines from different international grape cultivars (Merlot, Cabernet Sauvignon, Pinot noir, Tempranfflo, Sauvignon blanc, Riesling, Chardonnay, Pinot gris, Pinot blanc and Gewürztraminer) grown in northwest Spain. Monoterpenes, alcohols, fatty acids, ethyl esters, acetates and volatile phenols were determined by gas chromatography-mass spectrometry (GC-MS). The results showed that Gewürztraminer white wines had the highest concentration of volatile compounds (35.7 mgIL). Monoterpenes, ilnalool, terpineol, citronellol and nerol were detected only in Riesllng and Gewürztraminer white wines. In the red wines, Cabernet Sauvignon followed by Merlot wines showed the highest concentration of total volatile composition (55.60 mgfL and 50.90 mgfL respectively), characterised by a higher concentration of alcohols. Based on the individual odour threshold, white Gewürztraminer and red Pinot noir wines showed the highest total OAV value. ANOVA has shown significant differences among wines. Principal component analysis performed a grouping of the monovarietal wines -Sauvignon blanc-Finot blanc-Riesling and Finot gris gris-Gewurztraminer in the white wines, and Cabernet Sauvignon-Tempranilo in the red wines. | Versión del editor: | http://www.sasev.org/journal/list-of-journals/determination-of-odorants-in-varietal-wines-from-international-grape-cultivars-vitis-vinifera-grown-in-nw-spain/?id=14&entryId=192 | URI: | http://hdl.handle.net/10261/99331 | ISSN: | 0253-939X |
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