Development of Oleuropein Incorporated Chitosan Films for Antioxidant Active Food Packaging Applications

Authors : Ayça AYDOĞDU, Fatmagül KAYA

Pages : 158-165

Doi:10.17798/bitlisfen.1219638

View : 84 | Download : 8

Publication Date : 2023-03-22

Article Type : Research Paper

Abstract :Oleuropein is the major phenolic component of olive leaf extract. In the present study, oleuropein was incorporated into chitosan films and the physical properties and antioxidant activity of films were determined. Chitosan to oleuropein ratio was arranged as 1:1, 1:0.5, 2:1, 2:0.5. Physical properties including moisture content, density, solubility, water vapor permeability, color and opacity were measured. The results showed the addition of oleuropein improved water vapor barrier and decreased solubility of chitosan films. The density and moisture content of the oleuropein added films were found similar with chitosan films. Oleuropein incorporation resulted in higher opacity and b* values whereas a* and L* values decreased. Chitosan films with oleuropein showed strong antioxidant activity. Films at chitosan/oleuropein ratio as 1:1 could be good candidate for active packaging material due to exhibiting good water vapor barrier, opacity and antioxidant property.
Keywords : kitosan, su buharı geçirgenliği, antioksidan aktivite, opaklık, oleuropein

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