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Potential spoilage non-Saccharomyces yeasts in mixed cultures with Saccharomyces cerevisiae

Domizio, Paola and Romani, Cristina and Comitini, Francesca and Gobbi, Mirko and Lencioni, Livio and Mannazzu, Ilaria Maria and Ciani, Maurizio (2011) Potential spoilage non-Saccharomyces yeasts in mixed cultures with Saccharomyces cerevisiae. Annals of Microbiology, Vol. 61 (1), p. 137-144. ISSN 1590-4261. eISSN 1869-2044. Article.

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DOI: 10.1007/s13213-010-0125-1


With the aim of exploring the possibility to improve wine quality through the utilization of wine-related yeasts generally considered as spoilage, mixed cultures of Saccharomyces cerevisiae with Hanseniaspora osmophila, Pichia fermentans, Saccharomycodes ludwigii and Zygosaccharomyces bailii were inoculated in grape juice. All the fermentations got to completion and most of the compounds normally produced at high concentrations by pure cultures of non-Saccharomyces yeasts, and considered detrimental for wine quality, did not reach the threshold taste level in mixed fermentations with S. cerevisiae. Interestingly, the association of S. cerevisiae with P. fermentans, S. ludwigii and Z. bailii produced significant increases in the production of polysaccharides as compared to pure cultures of S. cerevisiae. Since polysaccharides improve wine taste and body, and exert positive effects on aroma persistence and protein and tartrate stability, a possible use for these yeasts can be envisaged in mixed starter cultures with S. cerevisiae for the enhancement of the final quality of wine.

Item Type:Article
ID Code:6156
Uncontrolled Keywords:Saccharomyces cerevisiae, spoilage yeasts, mixed fermentation, polysaccharides
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/16 Microbiologia agraria
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze ambientali agrarie e biotecnologie agro-alimentari
Publisher:Springer Berlin / Heidelberg
Copyright Holders:© Springer-Verlag and the University of Milan 2010
Additional Information:This paper is part of the special issue, relative to 2nd International Symposium “Wine microbiology and safety: from the vineyard to the bottle (microsafetywine)", Martina Franca (Italy), 19–20 November, 2009
Deposited On:13 Jun 2011 15:32

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