Raising Lipid Content Improve Moisture Barrier of Soybean Protein-Isolation/Carboxymethyl Cellulose Composite Films

Abstract:

Three lipids (beeswax, palmitic acid and stearic acid) and a hydrophilic film (soybean protein-isolate/carboxymethyl cellulose film) were selected as a model to inspect the relation between the lipid state and barrier properties. The free-lipid ratio of composite films was the best indicator for the transparency rather than the moisture barrier. The free-lipid content/total-lipid content had the highest negative correlation factor with the moisture barrier. Hence, raising free-lipid ratio was effective to improve the moisture barrier of hydrophilic films.

• Periodical: Advanced Materials Research (Volumes 1061-1062)
• Pages: 351-354
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1061-1062.351
• Online since: December 2014
• Authors: Chao Zhang*, Xiao Fei Guo, Yue Ma, Xiao Yan Zhao
• Keywords: Beeswax, Carboxymethyl Cellulose, Soybean Protein-Isolate, Water Vapor Permeability

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