4. Conclusions
Biofilms prepared by the blend of pectin and alginate presented improved properties when compared to
the films prepared from the pure polymers. The composite films presented up translucent and
homogeneous. When analyzing the effect of the crosslinker agent on the characteristics of the films can be
concluded that this contributes to the decreased solubility and permeability to water vapor, addition to
providing increased resistance of the material. The plasticizer used provided obtain biofilms more
malleable in the sense that increased elasticity thereof. The films were considered moderate barrier to
water vapor. The synthesized materials presented better qualities when obtained from using a crosslinker
solution composed of 5 % (mL/mL) of glycerol and 7 % (g/mL) CaCl2.