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All Journal Biopropal Industri
Farid Salahudin
Baristand Industri Pontianak, Jl. Budi Utomo No. 41, Pontianak 78243
Agriculture, Biological Sciences & Forestry Industrial & Manufacturing Engineering

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Incorporation of Sunflower Oil and d-alpha-tocopherol Effect on Mechanical Properties and Permeability of Corn Starch Composite Edible Film Pramono Putro Utomo; Farid Salahudin
Biopropal Industri Vol 6, No 1 (2015)
Publisher : Balai Riset dan Standardisasi Industri Pontianak

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (133.665 KB) | DOI: 10.36974/jbi.v6i1.832

Abstract

Corn starch-based films are inherently brittle and lack the necessary mechanical integrity for conventional packaging. However, the incorporation of additives can potentially improve the mechanical properties and processability of starch films. In this work sunflower oil (SO) and vitamin E (d-alpha-tocopherol) at three levels each (0.05%, 0.1% and 0.15% (w/vtotal)) and (0.18%, 0.36% and 0.54% (w/vtotal)) were incorporated into corn starch films using a solution casting method to improve the mechanical and water vapour transmission rate (WVTR) properties. The addition of SO and vitamin E increased elongation at break of starch-based film while decreased tensile strength and WVTR of starch-based film. The best edible film obtained on addition of sunflower oil concentration of 0.15% and 0.54%, vitamin E with a value of 0.121 mm thickness, tensile strength of 65.38 kg/cm2, elongation at break 14.17% and WVTR 1144 g/m2 24 hours.
Co-Authors Pramono Putro Utomo