Potato peels: Synthesis of Starch-based Bioplastic

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Sangeeta Mund, Shilpi Shrivastava


Environmental, economic, and waste management concerns are growing as a result of theproliferation of plastics in the environment. As a potential solution to the problem of plastic pollution,glycerol plasticized starch-based bioplastics were investigated for their biodegradability. There arenumerous uses of starch, a biopolymer derived from organic waste, due to its unique characteristics,such as its flexibility, degradable nature, and low cost. In the present work, starch was extracted fromSolanum tuberosum (potato) peels, and starch-based bioplastics with different concentrations, i.e., 2.4%, 24.3 %, 36.5 %, 48.6 %, and 97.2 % of glycerol plasticizer were prepared by following the castingmethod. Starch and bioplastics were analyzed using Fourier Transform Infrared (FTIR) spectroscopy,and their physicochemical properties were evaluated. The water absorption test revealed that thebioplastic with high glycerol concentration, i.e., 97.2%, had a more significant percentage of waterabsorption, i.e., 79 percentage, compared to 37 % for bioplastic with low, i.e., 2.4% glycerolconcentration.

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