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Abstrait
Development of Potato Starch Based Biodegradable Packaging Film
Neha J. Hirpara, M. N. Dabhi
The experiment was conducted at department of processing and food engineering, College of Agricultural Engineering and Technology Junagadh agricultural university during 2019-2020. Development of starch film was carried out at different levels of starch concentration (5, 6.5, 8, 9.5 and 1) and glycerol concentration (0.5, 0.875, 1.250, 1.625 and 2) whereas distilled water 100 ml and acetic acid 1 ml were kept constant throughout the experiment. The films were prepared by casting technique using a film-forming solution. The results on biodegradable film were analysed using Central Composite Rotatable Design (CCRD), Response Surface Methodology with two factors. The physical properties of potato starch powder viz., water absorption index and water solubility index was found as 139% ± 1.53% and 82% ± 1.52%. Physico-chemical properties of potato starch biodegradable plastic viz., moisture content, transparency, water absorption capacity and water vapour permeability was found as 23.1%, 69.54%, 190% and 0.0058 g mm/m2 kPa respectively. The response surface quadratic model for potato starch film optimized the treatment condition as 7.1 g starch concentration and 0.5 ml glycerol concentration.