Abstract
Innovatively, four-layer, active biopolymer films based on furcellaran, chitosan and gelatin as well as active compounds (curcumin, capsaicin, AgNPs, montmorillonite and gelatin hydrolysate) were obtained. The films showed strong antioxidant effects. Adding active ingredients caused increased enthalpy change value (ΔH) and thermal stability. The potential application of the film was analysed by storing Atlantic salmon fillets in the material. The films showed an active effect. This effect was the strongest during the first 3 days of storage. Compared to the synthetic LDPE film, the active film showed a total 0.81 log/CFU lower microbial count on the 12th day of storage. Lipid oxidation was not delayed in the salmon. Nonetheless, the results indicate high applicative potential of the composites.
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