THE YIELD OF EXTRACTION AND PROPERTIES OF MANNOPROTEINS FROM SPENT BEER YEAST.

This work proved that the yield of extraction of mannoproteins and their composition and properties were dependent on the conditions of preserving the slurry of spent beer yeast (spray drying or drum drying and time of autoclaving at 121°C) and on the type of solvent. The yield of extraction of mannoproteins was 0.58 to 19.28 g/100 g, depending on the preservation method and time of the thermal treatment of yeast slurry. Emulsification and surface active properties of mannoproteins were also dependent on the conditions in which they were produced.

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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.