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KMID : 0380619940260020138
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Korean Journal of Food Science and Technology
1994 Volume.26 No. 2 p.138 ~ p.140
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Permeability and Mechanical Properties of Zein and Gluten - Based Films
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Abstract
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Permeability and mechanical properties of degradable films prepared with zero and gluten were measured. Tensile strength of zeiz-based films was ranged from 30.1 MPa to 138.5 MPa and the strength of gluten-based films was 37.1∼98.6 MPa. This strength was increased with increase of thickness in both films. Water solubility cf zero-based films, 1.3%, was lower than those of the gluten-based films and the cellulose-based films. The range of water vapor permeability was 0.0711∼0.1778 g mm/㎡ hr mmHg for zero-based films and 0.2134-0.2972 g mm/mz hr mmHg for gluten-based films. The permeabilty of the films was also increased with thickness.
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