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- Title
Applications of Metschnikowia pulcherrima in Wine Biotechnology.
- Authors
Morata, Antonio; Loira, Iris; Escott, Carlos; del Fresno, Juan Manuel; Bañuelos, María Antonia; Suárez-Lepe, José Antonio
- Abstract
Metschnikowia pulcherrima (Mp) is a ubiquitous yeast that frequently appears in spontaneous fermentations. The current interest in Mp is supported by the expression of many extracellular activities, some of which enhance the release of varietal aromatic compounds. The low fermentative power of Mp makes necessary the sequential or mixed use with Saccharomyces cerevisiae (Sc) to completely ferment grape musts. Mp has a respiratory metabolism that can help to lower ethanol content when used under aerobic conditions. Also, Mp shows good compatibility with Sc in producing a low-to-moderate global volatile acidity and, with suitable strains, a reduced level of H2S. The excretion of pulcherrimin gives Mp some competitive advantages over other non-Saccharomyces yeasts as well as providing some antifungal properties.
- Subjects
SACCHAROMYCES cerevisiae; AROMATIC compounds; WINES; COMPETITIVE advantage in business; EXCRETION
- Publication
Fermentation (Basel), 2019, Vol 5, Issue 3, p1
- ISSN
2311-5637
- Publication type
Article
- DOI
10.3390/fermentation5030063