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Article Dans Une Revue Journal of Food Engineering Année : 2014

Is it possible to modulate the structure of skim milk particle through drying process and parameters?

Y. Nikolova
  • Fonction : Auteur
C. Sanders
  • Fonction : Auteur
A. Gianfrancesco
  • Fonction : Auteur
N. Desbenoit
G. Frache
  • Fonction : Auteur
C. Gaiani

Résumé

The spray drying operation influences on skim milk powders properties were investigated. It was possible with the use of dimensional analysis to classify the powders into three groups of properties according to their dependency to process parameters. The first group of properties (D50, shape, tapped density) were mainly influenced by the concentrate solid content. On the opposite, the surface composition and surface hydrophobicity ratio were influenced by the drying temperature only. And finally, the third group of properties studied (humidity and water activity) were affected both by the total solid content and drying temperature. In this work, some fundamental key process parameters were identified such as the drying air inlet temperature and the nozzle pressure. Indeed, a clear tendency was highlighted when increasing temperature and pressure: more surface lactose, more surface mineral, less surface proteins, smaller particles, lower humidity and relative humidity.
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Dates et versions

hal-01273449 , version 1 (12-02-2016)

Identifiants

Citer

Y. Nikolova, J. Petit, C. Sanders, A. Gianfrancesco, N. Desbenoit, et al.. Is it possible to modulate the structure of skim milk particle through drying process and parameters?. Journal of Food Engineering, 2014, 142, pp.179-189. ⟨10.1016/j.jfoodeng.2014.05.026⟩. ⟨hal-01273449⟩
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