Journal
POLYMER TESTING
Volume 81, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymertesting.2019.106161
Keywords
Chicken skin gelatin; Rice starch; Curcumin; RSM; Biodegradable film; Food packaging
Funding
- Universiti Malaysia Terengganu and Postgraduate Program in Faculty of Fisheries and Food Science, Universiti Malaysia Terengganu
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This study aims to optimize the formulation of composite films based on chicken skin gelatin with incorporation of rice starch (10-20%, w/w) and curcumin (0.03-0.10%, w/v). The effect of their interaction on film's tensile strength (TS), elongation at break (EAB), water vapor permeability (WVP) and antioxidant properties (DPPH%) were investigated using a response surface methodology-central composite design (RSM-CCD). The optimized film formulation was further validated to indicate the validity of the prediction model. The optimum conditions of the film were selected with incorporation of rice starch at 20% (w/w) and curcumin at 0.03% (w/v). The optimized film formulation has revealed better mechanical properties with low WVP value and good antioxidant activity. The results showed that optimized composite films formulation based on chicken skin gelatin with the incorporation of rice starch and curcumin has proving good validation of model prediction and can be effectively utilized in food packaging industry.
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