Research: Biodegradable films based on blue corn flour and the effects of plasticizers

Researchers at the Escuela de Biotecnología y Alimentos in Mexico developed blue corn flour films. The plasticizing effects of glycerol and sorbitol, on the mechanical, thermal, and microstructural properties of the films were researched.
The results showed that films plasticized with sorbitol had better mechanical properties and less affinity for water than those plasticized with glycerol. The sorbitol-plasticized films were more rigid and did not lose their integrity when immersed in water.The sorbitol-plasticized films revealed better adhesion between phases and showed a compact structure. An article about the research is published in the Journal of Cereal Science.
Click here for an abstract of the article.

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