Lukman Mile, Happy Nursyam, Dwi Setijawati, Titik Dwi Sulistiyati
Edible films made from chitosan and starch materials have several physical limitations, particularly in terms of tensile strength and elongation. To address these limitations, glycerol and sorbitol are often added as plasticizers during the production process. Chitosan has also been reported to have plasticizing properties and can serve as an alternative through its modification into nano-sized particles, thereby increasing its reactivity. Therefore, this study aimed to characterize the physical properties of edible films made from black mangrove (Rhizophora mucronata) fruit starch and chitosan by adding nano chitosan suspension at different storage temperatures to determine the best treatment. A completely randomized factorial design was used, and the data obtained were analyzed using Analysis of Variance (ANOVA) at a 95% confidence level with IBM SPSS statistics 25. The treatments used included the addition of nano chitosan suspension (A) at various concentrations of 0%, 25%, 50%, and 75% with storage (B) for 0 days, 9 days at room temperature, and 9 days at cold storage (± 50C) in triplicates. The significant treatments were then further tested using Honestly Significant Difference (sig < 0.05). The results showed that the addition of nano chitosan suspension with storage method affected the physical properties of the edible films. The edible film made from black mangrove fruit starch-chitosan with the addition of nano chitosan (50%:50%:75%) stored at cold temperature for nine days had the best physical properties to be applied as a package for fishery products (fillets) based on De Garmo analysis. ©2024 Faculty of Fisheries and Marine Universitas Airlangga.
Doctoral Program in Fisheries Science and Marine, Faculty of Fisheries and Marine Sciences, Universitas Brawijaya, East Java, Malang, Indonesia; Department of Fishery Products Technology, Faculty of Fisheries and Marine Sciences, Universitas Negeri Gorontalo, Gorontalo, Indonesia; Department of Fishery Products Technology, Faculty of Fisheries and Marine Sciences, Universitas Brawijaya, East Java, Malang, Indonesia
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