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PENGARUH PENAMBAHAN LILIN LEBAH DAN NANOPARTIKEL SENG OKSIDA TERHADAP SIFAT FISIK DAN MEKANIS FILM BERBASIS KITOSAN Novan Nandiwilastio; Tien R. Muchtadi; Nugraha E. Suyatma; Sri Yuliani
Jurnal Teknologi dan Industri Pangan Vol. 30 No. 2 (2019): Jurnal Teknologi dan Industri Pangan
Publisher : Departemen Ilmu dan Teknologi Pangan, IPB Indonesia bekerjasama dengan PATPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (292.056 KB) | DOI: 10.6066/jtip.2019.30.2.119

Abstract

Chitosan-based films showed good gel formation capability and gas permeability (CO2 and O2). However, the high permeability of water vapor limits the application of chitosan as a single coating material. Additionally, single chitosan film was also brittle, so the addition of lipid and metal nanoparticles were chosen to solve this problem. This research aimed to determine the effect of the addition of beeswax emulsion and zinc oxide nanoparticles (ZnO-NPs) on the physical and mechanical properties of chitosan based films. The film was prepared by dissolving ZnO-NPs (0, 1 and 2% by weight of chitosan) into 100 mL of distilled water followed by the addition 1 g of chitosan and or, addition of beeswax emulsion (0 and 5% by the volume of solution). The result showed that the addition of beeswax emulsion ZnO-NPs into chitosan based film significantly decreased WVTR value from 24.03 to 10.38 g/m2 hours and the  tensile strength value from 8.30 to 6.92 Mpa. The addition of beeswax emulsion and ZnO-NPs also changed the physical properties of chitosan-based film significantly; in terms appearance, color and thickness. Mean-while, the film elongation percentage changed significantly in the  range of 30.36 to 50.09 % when ZnO-NPs was added into chitosan-based film solution. Overall, the addition of beeswax and ZnO-NPs showed improvement of the physical and mechanical properties of chitosan-based films so that better packaging of fresh food products can be developed.
Co-Authors Novan Nandiwilastio Nugraha E. Suyatma Tien R. Muchtadi