Production of Glycerol by Two Endogenic Wine Yeast Strains at Different Inoculum Size

In this study, effects of inoculum size on growth and batch glycerol production kinetics of two endogenic wine yeast strains Saccharomyces cerevisiae Kalecik 1 and Saccharomyces cerevisiae Narince 3 were investigated. Inoculum size was changed between volume ratio of 2.5 and 12.5 %. Maximum glycerol...

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Bibliographic Details
Published inFood technology and biotechnology Vol. 44; no. 4; pp. 525 - 529
Main Authors Yalcin, S K, Oezbas, Z Y
Format Journal Article
LanguageEnglish
Published University of Zagreb Faculty of Food Technology and Biotechnology 01.10.2006
Subjects
glycerol
production kinetics
Saccharomyces cerevisiae
Vitaceae
wine yeast
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Summary:In this study, effects of inoculum size on growth and batch glycerol production kinetics of two endogenic wine yeast strains Saccharomyces cerevisiae Kalecik 1 and Saccharomyces cerevisiae Narince 3 were investigated. Inoculum size was changed between volume ratio of 2.5 and 12.5 %. Maximum glycerol concentration (8.6 g/L) was obtained with 2.5 % inoculum concentration for the strain Kalecik 1. Maximum glycerol concentration was determined as 7.6 g/L for the strain Narince 3 within the range of 2.5-7.5 % inoculum. Maximum dry mass was obtained at 5 % inoculum for both strains. S. cerevisiae Kalecik 1 reached specific growth rate and specific glycerol production rate maxima at 10 and 7.5 % inoculum, respectively. Maximum values for both specific growth and glycerol production rates were obtained at 7.5 % inoculum for S. cerevisiae Narince 3.
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ISSN:1330-9862
1334-2606