1. Milenko Aćimović, Tehnološki fakultet u Istočnom Sarajevu,
Republic of Srpska, Bosnia and Herzegovina
2. Milica Balaban, Prirodno-matematički fakultet Banja Luka,
Republic of Srpska, Bosnia and Herzegovina
3. Ljubica Vasiljević, Tehnološki fakultet u Istočnom Sarajevu,
Republic of Srpska, Bosnia and Herzegovina
4. Stevan Blagojević, Institut za Opštu i Fizičku hemiju , Serbia
Edible oils, particularly sunflower oil, play an important role in human nutrition due to their high content of essential fatty acids and fat-soluble vitamins. However, their susceptibility to oxidation and thermal degradation during cooking and repeated heating leads to a reduction in nutritional value and the formation of undesirable degradation products. In order to preserve the quality of used oil, the possibility of regenerating sunflower oil using zeolite 4A, known for its pronounced adsorption properties, was investigated. The results showed that heating the oil caused an increase in acid value, a rise in moisture and volatile matter content, as well as a decrease in saponification value, indicating progressive oil degradation. The application of zeolite 4A as an adsorbent for oil regeneration resulted in a significant improvement of oil quality, reflected in the reduction of acid value and moisture content, while the saponification value remained more stable compared to untreated oil. These findings confirm the high efficiency of zeolite 4A in removing degradation products and highlight its potential for use in the regeneration of edible oils. It is concluded that zeolite 4A represents an effective and readily available adsorbent that can contribute to extending the shelf life of oils, preserving their sensory and nutritional properties, and improving food safety. The obtained results provide a basis for further research in the field of edible oil regeneration using zeolites and other adsorbents.
Ključne reči :
Tematska oblast:
SIMPOZIJUM D - Ekološki održivi materijali
Datum:
26.08.2025.
Contemporary Materials 2025 - Savremeni Materijali
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