Enhanced Glycerol Content in Wines Made with Immobilized Candida stellata Cells.

Applied and Environmental Microbiology
M Ciani, L Ferraro

Abstract

Screening tests carried out for 10 strains of Candida stellata confirmed high levels of glycerol production, although a low fermentation rate and reduced ethanol content were observed. To overcome the poor competition with Saccharomyces cerevisiae, fermentation tests with immobilized C. stellata cells, alone or in combination with S. cerevisiae, have been carried out. The immobilization of C. stellata cells consistently reduced the fermentation length when compared with that obtained with free cells, immobilized cells exhibiting about a 30-and a 2-fold improvement in fermentation rate compared with rates for C. stellata and S. cerevisiae free cells, respectively. Moreover, immobilized C. stellata cells produced a twofold increase in ethanol content and a strong reduction in acetaldehyde and acetoin production in comparison with levels for free cells. The evaluation of different combinations of C. stellata immobilized cells and S. cerevisiae showed interesting results with regard to analytical profiles for practical application in wine making. In fact, analytical profiles of combinations showed, apart from a high glycerol content, a reduction in the amounts of acetic acid and higher alcohols and a consistent increase in succinic...Continue Reading

References

Sep 1, 1985·Applied and Environmental Microbiology·G M Heard, G H Fleet
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Citations

Apr 30, 2014·Annual Review of Microbiology·Jan Steensels, Kevin J Verstrepen
May 21, 2016·Frontiers in Microbiology·Maurizio CianiRamon Gonzalez
Jun 18, 2005·Journal of Applied Microbiology·B Divol, A Lonvaud-Funel
Apr 1, 2010·Journal of the Science of Food and Agriculture·Sandra CortésJosé M Domínguez
May 10, 2006·Folia Microbiologica·M SipiczkiH Csoma
Jan 22, 2014·Journal of Applied Microbiology·L OroF Comitini
Nov 11, 2014·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Susana S M P Vidigal, António O S S Rangel
Jan 1, 2014·Applied and Environmental Microbiology·A ContrerasC Varela
Oct 30, 2013·FEMS Yeast Research·Neil P JollyIsak S Pretorius
Jan 6, 2009·Journal of Applied Microbiology·D P RomancinoD Oliva
Mar 3, 2018·Frontiers in Microbiology·Jaime Moreno-GarcíaJuan Moreno
Jul 4, 2012·Journal of Agricultural and Food Chemistry·Cristiana C CastroAntónio C Silva Ferreira

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