scholarly journals Phenolic Contents and Compositions in Skins of Red Wine Grape Cultivars among Various Genetic Backgrounds and Originations

2012 ◽  
Vol 13 (3) ◽  
pp. 3492-3510 ◽  
Author(s):  
Lei Zhu ◽  
Yali Zhang ◽  
Jiang Lu
Keyword(s):  
Red Wine ◽  
Wine Grape ◽  
Phenolic Contents ◽  
Grape Cultivars

scholarly journals Influence of wine components on pellicle formation by pellicle-forming yeasts

OENO One ◽  
2021 ◽  
Vol 55 (3) ◽  
pp. 363-375
Author(s):  
Fumie Watanabe-Saito ◽  
Youji Nakagawa ◽  
Munekazu Kishimoto ◽  
Masashi Hisamoto ◽  
Tohru Okuda
Keyword(s):  
Red Wine ◽  
Principal Component ◽  
Wine Grape ◽  
Pellicle Formation ◽  
Grape Cultivar ◽  
The Mean ◽  
Almost All ◽  
Mean Concentration ◽  
Muscat Bailey A ◽  
Grape Cultivars

This study aimed to clarify differences in susceptibility to red wine pellicle formation by pellicle-forming yeasts between two wine grape cultivars and to investigate wine components affecting pellicle formation. Twenty wines each of Muscat Bailey A (MBA) and Merlot (MR), the major grape cultivars of Japanese red wine, were used. Pellicle formation occurred more often in MBA wines than in MR wines, and almost all MBA wine surfaces were covered with pellicle after incubation for five days. Principal component analysis revealed the relationships between pellicle formation and the concentrations of ethanol, phenolics and tannins. The mean concentration of tannins in the pellicle MR wines (436 mg/L) was significantly lower than that in the non-pellicle MR wines (660 mg/L). Furthermore, the mean concentration of tannins in MBA wines (139 mg/L) was also significantly lower than that in MR wines (570 mg/L). Wine grape cultivar having a low concentration of tannins may be highly susceptible to pellicle formation by pellicle-forming yeasts during winemaking.

scholarly journals Phenolic Compound Profiles in Berry Skins from Nine Red Wine Grape Cultivars in Northwest China

Molecules ◽  
2009 ◽  
Vol 14 (12) ◽  
pp. 4922-4935 ◽  
Author(s):  
Zan-Min Jin ◽  
Jian-Jun He ◽  
He-Qiong Bi ◽  
Xiang-Yun Cui ◽  
Chang-Qing Duan
Keyword(s):  
Phenolic Compound ◽  
Red Wine ◽  
Northwest China ◽  
Wine Grape ◽  
Berry Skins ◽  
Grape Cultivars

Relationships between skin flavonoid content and berry physical-mechanical properties in four red wine grape cultivars ( Vitis vinifera L.)

2015 ◽  
Vol 197 ◽  
pp. 272-279 ◽  
Author(s):  
Luca Brillante ◽  
Diego Tomasi ◽  
Federica Gaiotti ◽  
Simone Giacosa ◽  
Fabrizio Torchio ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Vitis Vinifera ◽  
Red Wine ◽  
Vitis Vinifera L ◽  
Wine Grape ◽  
Flavonoid Content ◽  
Grape Cultivars

Monitoring of Drosophila suzukii (Diptera: Drosophilidae) in Okanagan Valley vineyards, British Columbia, Canada, and assessment of damage to table and wine grapes (Vitaceae)

2020 ◽  
Vol 152 (4) ◽  
pp. 415-431
Author(s):  
Susanna Acheampong ◽  
Etienne Lord ◽  
D. Thomas Lowery
Keyword(s):  
British Columbia ◽  
Weather Conditions ◽  
Wine Grape ◽  
Drosophila Suzukii ◽  
Wine Grapes ◽  
Apple Cider ◽  
Table Grapes ◽  
Soft Fruit ◽  
Grape Cultivars ◽  
Okanagan Valley

AbstractSpotted-wing drosophila, Drosophila suzukii, (Matsumura) (Diptera: Drosophilidae), has become a serious pest of soft fruit in the Okanagan Valley of British Columbia, Canada since its detection in 2009. The study was conducted to determine the distribution of D. suzukii and damage levels in grapes. Apple cider vinegar-baited traps placed in table and wine grape (Vitis vinifera Linnaeus; Vitaceae) vineyards during 2011–2013 demonstrated that D. suzukii was numerous in all sites, with earliest emergence and highest numbers recorded in 2013. Drosophila suzukii were reared from intact and damaged table grapes and damaged wine grapes collected from the field, but not from intact wine grapes. Drosophila suzukii were reared in low numbers in 2011 from intact fruit of 11 wine grape cultivars exposed artificially in the laboratory. Susceptibility of intact wine grapes under laboratory conditions in 2011 when sour rot was widespread might relate in part to undetected infections of berries due to weather conditions. Identification of Drosophila Fallén species revealed that D. suzukii comprised a small portion of the total. Our results demonstrate that healthy wine grapes in the Okanagan Valley of British Columbia are largely undamaged by D. suzukii, while certain table grape cultivars should be protected from attack.

scholarly journals Chemical markers in the aroma profiles of South Moravian red wine distillates

2012 ◽  
Vol 30 (No. 4) ◽  
pp. 369-376 ◽  
Author(s):  
L. Veverka ◽  
M. Jelínková ◽  
K. Hron ◽  
J. Balík ◽  
J. Stávek ◽  
...  
Keyword(s):  
Red Wine ◽  
Pinot Noir ◽  
The Other ◽  
Cabernet Sauvignon ◽  
Chemical Markers ◽  
The Czech Republic ◽  
Linalool Oxide ◽  
South Moravia ◽  
Log Ratio ◽  
Grape Cultivars

HSSPME-GC/MS method was used to investigate the volatile compounds responsible for varietal character in the aroma of wine distillates made from 16 different red wine grape cultivars: Andre, Blue Frankish, Merlot, Cabernet Moravia, Rubinet, Pinot Noir, Ariana, Alibernet, Laurot, Dornfelder, Blauer Portugieser, Agni, Neronet, Zweigeltrebe, Cabernet Sauvignon, and Domina. The grapes were all grown in the same vineyard in South Moravia, an important viticultural region in the south of the Czech Republic bordering Austria. The isometric log-ratio transformation was used to compute variances prior to statistical analysis, and a compositional biplot was used to interpret the data and identify the main chemical markers. A comparison of the key terpenoids present in the aroma profiles indicated that these were consistent with the known relationships between the cultivars based on their parentage. There were similarities in the terpenoid elements of the aroma profiles of Blue Frankish and its relatives Andre, Laurot, Agni, and Zweigeltrebe, which are dominated by (Z)-linalool oxide, linalool, isoborneol, terpinen-4-ol and α-terpineol. On the other hand, the aroma profiles of Pinot Noir, Blauer Portugieser, Cabernet Sauvignon and their related hybrids are dominated by o-cymene, limonene, (E)-sabinyl acetate, and (E)-calamenene.  

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