Enriched sunflower oil with omega 3 fatty acids from flaxseed oil: Prediction of the nutritive characteristics
2021
Romanić, Ranko S. | Lužaić, Tanja Z. | Radić, Bojana Đ
The aim of this study was to investigate the possibility of enriching refined sunflower oil with omega 3 fatty acids by adding cold pressed flaxseed oil in order to obtain new vegetable oil with a high nutritive value. The results showed that blended oils were formulated to have a high content of n–-6 (23.68 ± 0.02 to 57.18 ± 0.07% w/w) and n3 (4.33 ± 0.03 to 47.88 ± 0.06% w/w) essential fatty acids, with optimization of their ratio. In the obtained blended vegetable oils the total tocopherols content ranged from 352.5 to 519.1 mg/kg, while the carotenoids content ranged from 1.30 to 6.49 mg/kg. It was concluded that the presence of higher amounts of flaxseed oil caused an increase in the content of α–linolenic fatty acid and carotenoids, a reduction of the total tocopherols, monounsaturated and omega 6 fatty acid content, contributing to the balance between nutritive characteristics.
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