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Molecules 2015, 20(6), 10980-11016; doi:10.3390/molecules200610980

Volatile Compounds from Grape Skin, Juice and Wine from Five Interspecific Hybrid Grape Cultivars Grown in Québec (Canada) for Wine Production

1
Centre de Développement Bioalimentaire du Québec, La Pocatière, QC G0R 1Z0, Canada
2
Department of Food Science, Université Laval, Quebec, QC G1V 0A6, Canada
*
Author to whom correspondence should be addressed.
Academic Editors: Susan E. Ebeler and Helene Hopfer
Received: 25 March 2015 / Accepted: 3 June 2015 / Published: 15 June 2015
(This article belongs to the Collection Wine Chemistry)
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Abstract

Developed from crosses between Vitis vinifera and North American Vitis species, interspecific hybrid grape varieties are becoming economically significant in northern areas, where they are now extensively grown for wine production. However, the varietal differences between interspecific hybrids are not well defined, nor are the relationships between hybrid grape and wine composition, which causes significant drawbacks in the development of viticulture and winemaking of northern wines. In an effort to increase our understanding of interspecific hybrids, we have characterized the free volatile compounds profiles of berries (juice and skin) and wines of five red hybrid varieties (Frontenac, Marquette, Maréchal Foch, Sabrevois and St. Croix) grown in Québec (Canada), using GC-MS(TOF)-SPME. In grapes and wines, significantly higher levels of C6 and other fatty acid degradation products (FADP) were found in Frontenac, Maréchal Foch and Marquette. Terpenes were primarily located in the skin, with Marquette showing the highest level for these compounds. Both the level of terpenes and the level of FADP in grape were strongly correlated with their respective levels in wine, as demonstrated by the redundancy analyses. Nonanal, (E,Z)-2,6-nonadienal, β-damascenone, ethyl octanoate and isoamyl acetate showed the highest OAVs in the wines of the studied varieties. View Full-Text
Keywords: Vitis; cold climate viticulture; GC-MS-SPME; volatile compounds; Frontenac; Marquette; Marechal Foch; Sabrevois; St. Croix Vitis; cold climate viticulture; GC-MS-SPME; volatile compounds; Frontenac; Marquette; Marechal Foch; Sabrevois; St. Croix
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Slegers, A.; Angers, P.; Ouellet, É.; Truchon, T.; Pedneault, K. Volatile Compounds from Grape Skin, Juice and Wine from Five Interspecific Hybrid Grape Cultivars Grown in Québec (Canada) for Wine Production. Molecules 2015, 20, 10980-11016.

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