The impact of Torulaspora delbrueckii has been investigated for the first time in the production of Amarone wine, a high-alcohol dry red wine obtained from withered grapes. In two different vinifications, winery trials were inoculated by a selected strain of T. delbrueckii simultaneously and/or sequentially to Saccharomyces cerevisiae. Implantation analysis demonstrated T. delbrueckii was able to rapidly colonise the must remaining in wine up to 16.5 % v v(-1) of ethanol. The effects of T. delbrueckii on the aroma of Amarone wine were linked to its persistence during the fermentation and a great number of compounds varied in wine obtained with mixed cultures. The most significant changes were observed among alcohols, fermentative esters, fatty acids and lactones, which are important in the Amarone wine flavour. This study confirms the role of T. delbrueckii on wine aroma and the potential of non-Saccharomyces use in winemaking.
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College of Enology, Northwest A&F University, YanglingCollege of Enology, Northwest A&F University, Yangling
Ma N.
Wang X.
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College of Enology, Northwest A&F University, YanglingCollege of Enology, Northwest A&F University, Yangling
Wang X.
Kong C.
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College of Enology, Northwest A&F University, YanglingCollege of Enology, Northwest A&F University, Yangling
Kong C.
Tao Y.
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College of Enology, Northwest A&F University, Yangling
Shannxi Engineering Research Center for Viti-viniculture, YanglingCollege of Enology, Northwest A&F University, Yangling
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State Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil
State Univ Rio Grande do Sul, Life & Environm Area, Rua Washington Luiz 675 ZC, BR-90010460 Porto Alegre, RS, BrazilState Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil
Hickert, Lilian Raquel
Cattani, Andressa
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State Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, BrazilState Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil
Cattani, Andressa
Manfroi, Luciano
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Fed Inst Educ Sci & Technol Rio Grande do Sul, Bento Goncalves, RS, BrazilState Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil
Manfroi, Luciano
Wagner, Roger
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Univ Fed Santa Maria, Dept Food Technol & Sci, Santa Maria, RS, BrazilState Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil
Wagner, Roger
Furlan, Junior Mendes
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Fed Univ Pampa, Itaqui, RS, BrazilState Univ Rio Grande do Sul, Life & Environm Area, Porto Alegre, RS, Brazil