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Investigation Of The Effect Of Sulfitolysis On The Functional Properties And Extrusion Performance Of Whey Protein Concentrate, David P. Taylor
Investigation Of The Effect Of Sulfitolysis On The Functional Properties And Extrusion Performance Of Whey Protein Concentrate, David P. Taylor
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Whey proteins have restricted use in many food applications because of limited functional properties. Whey proteins' relatively high content of disulfide bonds may be responsible for their lack of functionality, especially in extrusion applications.
To determine the effect of disulfide bond content on functional properties and extrudate performance, whey protein concentrate was treated with sodium sulfite to achieve four levels of disulfide bond sulfonation (0, 31, 54, and 71%). Sulfonated whey protein functional properties, extrusion-expanded snack properties (32% total protein), and extrusion-textured fibrous product properties (48% protein) were determined. Correlation analysis was performed to determine relationships between functional properties and …