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Thai) 1:
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The concern with the accumulation of synthetic plastics in the environment is one of the reasons for the increasing interest in the development of biodegradable films. Among raw materials from renewable sources, starch is one of the most promising. In order to evaluate biodegradable films obtained from native starches (rice, potato and cassava), these were prepared by casting method with the addition of plasticizers (glycerol and sorbitol) and Montmorillonite clay (MMT). Thickness, mechanical properties and water solubility were evaluated. The rice starch and glycerol films were more flexible (elongation at break between 108 and 113%) and with a water solubility value between 18 and 24%, enabling their use as food packaging. [ABSTRACT FROM AUTHOR]
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