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EFFECT OF CALCIUM, MAGNESIUM, COBALT (II), AND ZINC CATIONS ON THE SACCHAROMYCES CEREVISIAE GROWTH
 
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Pol. J. Food Nutr. Sci. 1997;47(4):61–70
 
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ABSTRACT
The effects of Ca+2, Co+2, Mg+2 and Zn+2 and their combination on growth and biomass yield of Mautner and YT Saccharomyces cerevisiae strains were studied using brewery wort and aerobic conditions. Zn+2 and Co+2 had a synergistic effect on the biomass growth. Higher concentrations (> 20 mmol/L and 20 µmol/L for Co) of Co+2 plus Ca+2 and of Co+2 plus Mg+2 reduced the overall dynamics and the yeast growth conditions, although, this effect was not pronounced in the initial growth phase. The Ca+2, Co+2, Mg+2, and Zn+2 con- tents in the native wort did not provide an optimum growth condition for the yeasts. The wort should, thus, be supplemented tith these ions.
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