EFFECT OF CALCIUM, MAGNESIUM, COBALT (II), AND ZINC CATIONS ON THE  SACCHAROMYCES CEREVISIAE  GROWTH

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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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.