Viscosity of protein-stabilised emulsions: contributions of components and development of a semi-predictive model

Marion Roullet, Paul S. Clegg, William J. Frith

Research output: Contribution to journalArticlepeer-review

Abstract

Protein-stabilised emulsions can be seen as mixtures of unadsorbed proteins and of protein-stabilised droplets. To identify the contributions of these two components to the overall viscosity of sodium caseinate o/w emulsions, the rheological behaviour of pure suspensions of proteins and droplets were characterised, and their properties used to model the behaviour of their mixtures. These materials are conveniently studied in the framework developed for soft colloids. Here, the use of viscosity models for the two types of pure suspensions facilitates the development of a semi-empirical model that relates the viscosity of protein-stabilised emulsions to their composition.
Original languageEnglish
Number of pages28
JournalJournal of rheology
DOIs
Publication statusPublished - 8 Jan 2019

Keywords

  • cond-mat.soft
  • physics.flu-dyn

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