Physicochemical properties of plasticized corn zein films: NMR and adsorptivity studies
- 1 May 1999
- journal article
- research article
- Published by Wiley in Macromolecular Symposia
- Vol. 140 (1) , 197-209
- https://doi.org/10.1002/masy.19991400121
Abstract
Water sorption isotherms of corn zein‐based films are typical sigmodial curves. The presence of plasticizers greatly increase film water sorption at intermediate and high water activities. The presence of a plasticizer increases water vapor permeabilities of zein films. The extent of such effect depends on the plasticizer type and concentration used for film formation.Keywords
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