| Title: | Use of non-conventional yeast improves the wine aroma profile of Ribolla Gialla |
| Author(s): | Dashko S; Zhou N; Tinta T; Sivilotti P; Lemut MS; Trost K; Gamero A; Boekhout T; Butinar L; Vrhovsek U; Piskur J; |
| Address: | "University of Nova Gorica, Glavni Trg 8, SI 5271, Vipava, Slovenia, sofiadashko@gmail.com" |
| Journal Title: | J Ind Microbiol Biotechnol |
| DOI: | 10.1007/s10295-015-1620-y |
| ISSN/ISBN: | 1476-5535 (Electronic) 1367-5435 (Linking) |
| Abstract: | "Consumer wine preferences are changing rapidly towards exotic flavours and tastes. In this work, we tested five non-conventional yeast strains for their potential to improve Ribolla Gialla wine quality. These strains were previously selected from numerous yeasts interesting as food production candidates. Sequential fermentation of Ribolla Gialla grape juice with the addition of the Saccharomyces cerevisiae T73 Lalvin industrial strain was performed. Zygosaccharomyces kombuchaensis CBS8849 and Kazachstania gamospora CBS10400 demonstrated positive organoleptic properties and suitable fermentation dynamics, rapid sugar consumption and industrial strain compatibility. At the same time, Torulaspora microellipsoides CBS6641, Dekkera bruxellensis CBS2796 and Dekkera anomala CBS77 were unsuitable for wine production because of poor fermentation dynamics, inefficient sugar consumption and ethanol production levels and major organoleptic defects. Thus, we selected strains of K. gamospora and Z. kombuchaensis that significantly improved the usually plain taste of Ribolla wine by providing additional aromatic complexity in a controlled and reproducible manner" |
| Keywords: | Dekkera/physiology Ethanol/metabolism *Fermentation Saccharomyces cerevisiae/*physiology Vitis/chemistry Volatile Organic Compounds/metabolism *Wine; |
| Notes: | "MedlineDashko, Sofia Zhou, Nerve Tinta, Tinkara Sivilotti, Paolo Lemut, Melita Sternad Trost, Kajetan Gamero, Amparo Boekhout, Teun Butinar, Lorena Vrhovsek, Urska Piskur, Jure eng Research Support, Non-U.S. Gov't Germany 2015/04/24 J Ind Microbiol Biotechnol. 2015 Jul; 42(7):997-1010. doi: 10.1007/s10295-015-1620-y. Epub 2015 Apr 23" |
