Journal
8TH INTERNATIONAL CONFERENCE ON MATERIAL SCIENCES, CSM8-ISM5
Volume 55, Issue -, Pages 220-226Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.phpro.2014.07.032
Keywords
cassava film; moisture content; water solublity; water vapor permeability; mechanical properties
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Cassava and tree cassava starch films plasticized with glycerol were produced by casting method. Different glycerol contents (30, 35, 40 and 45 wt. % on starch dry basis) were used and the resulting films were fully characterized. Their water barrier and mechanical properties were compared. While increasing glycerol concentration, moisture content, water solubility, water vapour permeability, tensile strength, percent elongation at break and Young's modulus decreased for both cassava and tree cassava films. Tree cassava films presented better values of water vapour permeability, water solubility and percent elongation at break compared to those of cassava films, regardless of the glycerol content. (C) 2014 Elsevier B.V.
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