STUDY ON THE NUTRITIVE VALUE OF RAW FISH OILS

The aim of the work was chemical assessment of raw fish oils obtained from technological waste remaining from processing of different fish species (herring, sprat, Norwegian salmon, trout) from the point of view of their feeding value for farm animals. Composition of fatty acids has been determined with special consideration of polyunsaturated ω-3 (PUFA n-3) ones. Additionally, vitamins soluble in fats (A, E, D3) and essential macro- and chosen microelements contents have been assessed. It was found that fish oils were characterised by very beneficial fatty acids composition, significant content of D3 and E vitamins, as well as of phosphorus, calcium, sodium, potassium and iron.

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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.