Development of biodegradable casings from modified cassava starch
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Abstract
The present work was carried out with the objective of obtaining biodegradable casings from modified cassava starch, using celocell, glycerin, ethanol, Xanthan gum as plasticizers and mineral oil as lubricants. Three mixtures were made; experience 1 has a composition of 20 g of modified cassava starch with a percentage of 15% of the mixture; experience 2 has a composition of 30 g of modified cassava starch with a percentage of 20% of the mixture and experience 3 has a composition of 40 g of modified cassava starch with a percentage of 25% of the mixture, which were analyzed in their physicochemical properties at laboratory level, determining the following results: experience 1 has an elasticity of 39.2% with a biodegradability of 66.57%; experience 2 with a percentage of 6.89% of elasticity and a biodegradability of 50.53%; experience 3 with a percentage of 8.04% of elasticity and a biodegradability of 43.87%. In conclusion, experience 1 was determined to have better resistance to tearing, biodegradability, thickness and performance, the biodegradable casings can be used in food industries up to small accessories, such as related objects in the home.
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