EFFECT OF NATIVE ENZYMES ON THE QUALITY OF LIPIDS IN EXPERIMENTALLY-STORED RAPESEED

Activity and immunoreactivity of lipase, activity of lipoxygenase, acid and peroxide values were determined during the storage of rapeseed with 6, 10, 14, and 18% moisture content. The most intensive changes in lipase activity were observed during storage of rapeseed with 10% moisture content and ranged from 18.73 to 55.85 A.U./mg protein as compared to stored rapeseed with 6, 14, and 18% moisture content. During the storage there were also observed changes in lipase immunoreactivity, lipoxygenase activity, acid and peroxide values, however none of the relationships between enzymes and quality of rapeseed lipids was found to be statistically significant and therefore it can be concluded that the processes taking place during storage of rapeseed with varied moisture content show complexity and the enzymes examined in the experiment can appear to be not only factors affecting the quality of the lipid fraction.

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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.