Process history of calcium caseinate affects fibre formation

Zhaojun Wang, Birgit L. Dekkers, Atze Jan van der Goot*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review


In this study, we compared the physical properties and structuring potential of spray-dried calcium caseinate (Scaca) and roller-dried calcium caseinate (Rcaca). Scaca formed more pronounced fibrous materials upon shearing compared with Rcaca. The rheological measurements revealed that the Scaca dispersion exhibited more solid-like behaviour. Besides, the particle size in excess water was larger for Rcaca (2–300 μm), while Scaca mainly contained small caseinate aggregates (<800 nm). Finally, Rcaca was less susceptible to enzymatic crosslinking with transglutaminase. The different physical properties and structuring potentials were explained by the intensive thermal treatment during roller drying for Rcaca. The application of a similar thermal process to Scaca resulted in similar properties as Rcaca. We concluded that the process history of calcium caseinate has major consequences for its fibre formation potential.

Original languageEnglish
Article number109866
JournalJournal of Food Engineering
Publication statusPublished - 1 Jun 2020


  • Calcium caseinate
  • Drying
  • Fibre
  • Mechanical properties
  • Roller
  • Spray drying
  • Thermal history

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