GONZÁLEZ-CENTENO, M. Reyes; CHIRA, Kleopatra; MIRAMONT, Clément; ESCUDIER, Jean-Louis; SAMSON, Alain; SALMON, Jean-Michel; OJEDA, Hernan; TEISSEDRE, Pierre Louis

doi:10.3390/biom9120793

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GONZÁLEZ-CENTENO, M. Reyes
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

CHIRA, Kleopatra
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

MIRAMONT, Clément
Unité de Recherche Oenologie [Villenave d'Ornon] [OENO]

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Biomolecules. 2019, vol. 9, n° 12, p. 1-17

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The search for grape varieties resistant to diseases and to climatic changes notably concerns the wine industry. Nine monovarietal wines from new red grape varieties resistant to cryptogamic diseases (downy and powdery mildews) were evaluated in terms of their total phenolic, anthocyanin and proanthocyanidin contents, anthocyanin profile, volatile composition, and sensory attributes. Thus, the question remains, will these hybrid grapes (>= 97.5% of Vitis vinifera genome) lead to wines with organoleptic properties similar to those of Vitis vinifera wines that consumers are used to? Total phenolic (1547-3418 mg GA/L), anthocyanin (186-561 mg malvidin/L), and proanthocyanidin (1.4-4.5 g tannins/L) contents were in broad agreement with those previously described in the literature for monovarietal wines produced with well-known red grape varieties (Cabernet Sauvignon, Merlot, Syrah). With regard to fruity aroma, ethyl esters of straight-chain fatty acids (530-929 mu g/L) stood out clearly as the major volatile components for all hybrid wines considered. Sensory analysis revealed significant differences (p < 0.05) for visual aspect, aroma, flavor, global balance, astringency, and body. Overall, these new hybrid grape varieties are not only resistant to cryptogamic diseases, but also present enough potential to become quality wines, since their phenolic and volatile attributes are close to those of common red monovarietal wines.< Réduire

Mots clés en anglais

Bouquet Vines Varieties

Disease Resistance

Fruity Aroma Profile

Hybrid Grapes

Phenolic Composition

Sensory Analysis

Wine

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Disease resistant bouquet vine varieties: assessment of the phenolic, aromatic, and sensory potential of their wines

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