Characterization and Dynamic Behavior of Wild Yeast during Spontaneous Wine Fermentation in Steel Tanks and Amphorae
Joint Authors
Díaz, Cecilia
Molina, Ana María
Nähring, Jörg
Fischer, Rainer
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-05-02
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Abstract EN
We studied the dynamic behavior of wild yeasts during spontaneous wine fermentation at a winery in the Valais region of Switzerland.
Wild yeasts in the winery environment were characterized using a PCR-RFLP method.
Up to 11 different yeast species were isolated from the vineyard air, whereas only seven were recovered from the grapes surface.
We initially investigated a cultureindependent method in pilot-scale steel fermentation tanks and found a greater diversity of yeasts in the musts from two red grape varieties compared to three white grape varieties.
We found that the yeasts Metschnikowia pulcherrima, Rhodotorula mucilaginosa, Pichia kluyveri, P.
membranifaciens and Saccharomyces cerevisiae remained active at the end of the fermentation.
We also studied the dynamic behavior of yeasts in Qvevris for the first time using a novel, highlysensitive quantitative real-time PCR method.
We found that non-Saccharomyces yeasts were present during the entire fermentation process, with R.
mucilaginosa and P.
anomala the most prominent species.
We studied the relationship between the predominance of different species and the output of the fermentation process.
We identified so-called spoilage yeasts in all the fermentations, but high levels of acetic acid accumulated only in those fermentations with an extended lag phase.
American Psychological Association (APA)
Díaz, Cecilia& Molina, Ana María& Nähring, Jörg& Fischer, Rainer. 2013. Characterization and Dynamic Behavior of Wild Yeast during Spontaneous Wine Fermentation in Steel Tanks and Amphorae. BioMed Research International،Vol. 2013, no. 2013, pp.1-13.
https://search.emarefa.net/detail/BIM-1004561
Modern Language Association (MLA)
Díaz, Cecilia…[et al.]. Characterization and Dynamic Behavior of Wild Yeast during Spontaneous Wine Fermentation in Steel Tanks and Amphorae. BioMed Research International No. 2013 (2013), pp.1-13.
https://search.emarefa.net/detail/BIM-1004561
American Medical Association (AMA)
Díaz, Cecilia& Molina, Ana María& Nähring, Jörg& Fischer, Rainer. Characterization and Dynamic Behavior of Wild Yeast during Spontaneous Wine Fermentation in Steel Tanks and Amphorae. BioMed Research International. 2013. Vol. 2013, no. 2013, pp.1-13.
https://search.emarefa.net/detail/BIM-1004561
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1004561