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IVES 9 IVES Conference Series 9 Macrowine 9 Macrowine 2010 9 Impact of microbiological and enological techniques on wine macromolecules 9 Polysaccharides and glycerol production by non-Saccharomyces wine yeasts in mixed fermentation

Polysaccharides and glycerol production by non-Saccharomyces wine yeasts in mixed fermentation


A great variability in the amount of polysaccharides recovered at the end of fermentations carried out by pure cultures of 89 non-Saccharomyces yeasts was observed. The utilization of the best polysaccharides producers in mixed cultures with S. cerevisiae resulted in considerable increases in the final concentration of polysaccharides and showed a strain dependent effect on glycerol production as compared to pure culture of S. cerevisiae. Thus, selected non-Saccharomyces yeasts may positively interact with S. cerevisiae, and represent potential and innovative tools to increase wine complexity.

Publication date: July 3, 2024

Issue: Macrowine 2010

Type: Article


Cristina ROMANI1,4, Paola DOMIZIO1, Livio LENCIONI1, Mirko GOBBI2, Francesca COMITINI2, Maurizio CIANI2, Ilaria MANNAZZU3

1 DiBA, Università degli Studi di Firenze, via Donizetti, 6 – 50144 Firenze, I.

2 DiSAIFET, Università Politecnica delle Marche, via Brecce Bianche, 232 – 60131 Ancona, I.

3 DiSAABA, Università degli Studi di Sassari, Viale Italia 39 – 07100 Sassari, I.

4 Consorzio Tuscania, p.za Strozzi, 1 – 50100 Firenze , I.

Contact the author*


wine, non-Saccharomyces yeasts, polysaccharides 


IVES Conference Series | Macrowine | Macrowine 2010


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