Alginate Films Enriched in Raspberry And/or Black Currant Seed Oils As Active Food Packaging

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2024 May 11

PMID 38731511

Authors

Jolanta Kowalonek

Bogna Lukomska

Olga Lukomska

Natalia Stachowiak-Trojanowska

Affiliations

Soon will be listed here.

Abstract

Alginate films plasticized with glycerol and enriched in raspberry and/or black currant seed oils were prepared via casting solution techniques. The intention was to create active films for food packaging where antioxidants in a film would deactivate oxidants in a packed product or its surroundings, improving conditions inside packaging and extending the shelf life of such a product. The prepared materials were characterized by physicochemical, spectroscopic, mechanical, water vapor transmission (WVTR), and antioxidant activity analysis. Infrared spectra of the alginate films with oils were similar to those without the additive; the band with a maximum at about 1740 cm stood out. The prepared materials with oils were thicker, contained less water, were more yellow, and were less permeable to water vapor. Moreover, the presence of the oil in the films resulted in a slightly lower Young's modulus and lower stress at break values but higher strain at break. The antioxidant capacity of raspberry seed oil itself was about five times higher than that of black currant seed oil, and a similar trend was noticed for films modified with these oils. The results indicated that both oils could be used as active substances with antioxidant properties in food packaging.

Citing Articles

Color, Structure, and Thermal Stability of Alginate Films with Raspberry and/or Black Currant Seed Oils.

Kowalonek J, Lukomska B, Szydlowska-Czerniak A Molecules. 2025; 30(2.

PMID: 39860115 PMC: 11767726. DOI: 10.3390/molecules30020245.

Polysaccharide-Stabilized Semisolid Emulsion with Vegetable Oils for Skin Wound Healing: Impact of Composition on Physicochemical and Biological Properties.

Trindade G, Alves L, Lazo R, Dallabrida K, Reolon J, Bonini J Pharmaceutics. 2024; 16(11).

PMID: 39598549 PMC: 11597777. DOI: 10.3390/pharmaceutics16111426.

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