The effect of additional orange Pangkep (Citrus maxima) peel oil on characteristics and microbial inhibition of corn flour-based edible film

Abstract

Abstract The edible film is a thin layer of hydrophilic materials made of proteins, carbohydrates, and fats that replaces plastic packaging. This study was carried out to determine the effect of adding the Pangkep orange peel ( Citrus maxima ) oil on edible films based on corn flour. Treatments applied in this research were concentration of corn flour (2%, 4%, and 6% (w/v)) and concentration of Pangkep orange peel ( Citrus maxima ) oil (1%, 1.5%, and 2% (v/v)). Measurement parameters were tensile strength, elongation, thickness, moisture content, and inhibition of Escherichia coli and Staphylococcus aureus . The results showed that the composition of Pangkep orange oil ( Citrus maxima ) and corn flour had a significant effect on the elongation, thickness, moisture, and inhibition of Escherichia coli and Staphylococcus aureus . The best formula treatment was obtained with a combination treatment containing 4% corn flour and 1% Pangkep orange peel oil ( Citrus maxima ).

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