INFLUENCE OF STERILIZATION PROCESS ON ANTIOXIDATIVE PROPERTIES OF BROAD BEAN SEEDS

Changes of selected antioxidants content and activity in broad bean seeds upon sterilization process and storage of cans were investigated in the study. Loss of total nitrogen, its solubility and non-protein nitrogen content was observed as well as loss of total polyphenols content and their antioxidatively important group – condensed tannins. Main changes in protein fractions were observed on electrophoretic patterns in low molecular weight range, however a gain of high molecular weight polymer (500 kDa) participation was shown by Size-Exclusion HPLC. Phenolic compounds extracted with 70% acetone exhibited much higher antiradical activity than nitrogen compounds extracted with water. A decrease of antioxidant activity of the extracts and its appearance in drain was confirmed in most cases after processing and storage.

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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.