<![CDATA[The issue of plastic waste, which takes hundreds of years to decompose, has prompted the development of eco-friendly alternatives. This research aims to investigate the effect of chitosan addition on the properties of mixed cassava and corn starch bioplastics and to determine the optimal concentration for enhanced performance. The novelty of this research lies in the combination of cassava and corn starch with chitosan reinforcement, which has not been widely explored to enhance both mechanical and biodegradation properties. Using experimental procedures, four chitosan concentrations (2, 3, 4, and 5 g) were examined through mechanical tests (tensile strength and elongation), swelling tests (water absorption), and degradation tests (decomposition). The results revealed that the best results were obtained in the mechanical test, with an elongation value of 10.00% and a tensile strength value of 7.06 MPa. The swelling test showed a water absorption value of 0.00%, and the degradation test yielded a weight loss value of 38.57%. This research shows that cassava-corn starch bioplastics with added chitosan have the potential to be developed as environmentally friendly and biodegradable packaging materials. This innovation helps reduce plastic waste while utilizing agricultural products.]]>
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