BIOMASS OF  CANDIDA UTILIS  ATCC 9950 YEAST AS A SOURCE OF MAGNESIUM BIOPLEXES

The study was aimed at investigating the possibility of obtaining a natural bioplex of magnesium from the biomass of fodder yeast C.utilis ATCC 9950 enriched in that element. Yeast cultures were run under dynamic conditions (with aeration) for 48 h on a control medium (YPD) and the experimental one enriched in magnesium ions at a concentration of 1.25 g/L. During the logarithmic phase of growth, magnesium was observed to bind the mannoprotein layer of the cell wall of yeast (68% of the total magnesium in biomass), whereas in the stationary phase it was subject to intracellular bioaccumulation. Consequently, 61% of the cellular magnesium pool were accumulated in protoplasts and 39% in cell walls. The bioplex separated from the 48-h experimental culture contained nearly 3-fold more magnesium (8.51 mg Mg/g d.s.) than that isolated from the control culture (2.92 mg Mg/g d.s.).

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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.