The glycerol added in formulations increased the solubility and reduced the melting temperature of the films. Formulation with 0. 2% carnauba wax showed intermediate values of analyzed properties and promoted films with a more regular surface. Formulation containing 3 % ( w /w) cassava starch , 1.5 % ( w/ w) glycerol, 0. 2 % ( w /w ) carnauba wax and 0. 8 % ( w /w ) stearic acid , presented films with a cohesive matrix , resulting in better mechanical properties, barrier to moisture and gas exchange.