Mechanical Properties of and Water Vapor Transferability Through Whey Protein Films

Reyad Mahmoud, P. A. Savello

Journal of Dairy Science · 1992 · 128 citations · 2 references

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Abstract

Transglutaminase was used to pr0duce filrns by polymerization of whey proteins. The reaction mixture consisted of 5% whey protein in pH 7.5 buffered solution under reducing conditions in the presence of ea 2 + ions and glycerol 1be water vapor transferability and the percentage of moisture of films were not significantly influenced by the whey pro- tein fraction. Water vapor transferability was inversely related to film thickness. Glycerol concentration of films directly affected film resistance to breakage, moisture content, and resistance to water vapor transferability.

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2