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GrainGenes Reference Report: JFC-51-7647

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Reference	JFC-51-7647
Title	Development and characterization of biodegradable films made from wheat gluten protein fractions
Journal	Journal of Agricultural and Food Chemistry
Year	2003
Volume	51
Pages	7647-7654
Author	Hernandez-Munoz P Kanavouras A Ng PKW Gavara R
Abstract	Summary: Gliadins and glutenins were extracted from commercial wheat gluten on the basis of their extractability in ethanol and used to produce film-forming solutions. Films cast using these gliadin- and glutenin-rich solutions were characterized. Glycerol was used as a plasticizer, and its effect on the films was also studied. Films obtained from the glutenin fraction presented higher tensile strength values and lower elongation at break and water vapor permeability values than gliadin films. Gliadin films disintegrated when immersed in water. The GAB isotherm model was used to describe the equilibrium moisture sorption of the films. The glycerol concentration largely modified mechanical and water vapor barrier properties of both film types
External Databases	Pubmed: 14664523
Keyword	[ Hide all but 1 of 22 ] edible films films gluten gluten protein mechanical-properties model moisture molecular-weights polyacrylamide gel-electrophoresis protein protein fraction protein fractions rheological properties sorption isotherms subfractions tensile strength values vapor barrier properties washington water vapor permeability water-vapor wheat gluten

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