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Communication Dans Un Congrès Année : 2019

Crack patterns in binary mixes of dairy colloids: The impact of protein properties.

Résumé

The production of milk powders is a strategic sector of the dairy industry. Due to its complex macromolecular composition, shedding light on the mechanisms governing milk drying constitutes a main industrial concern and a scientific challenge at the same time. In this study, we used the single droplet[1] and the directional drying[2] approaches to investigate the evaporation of colloidal mixes of the two major milk proteins (whey protein isolates and native phosphocaseinates). Notably, we observed the crack development in the samples to evaluate the competitive impact of the physico-chemical properties of whey proteins (rigid globular shape) and casein micelles (deformable sponge-like structure) on the drying process. Our outcomes are potentially useful to better control the functional properties of milk powders. Furthermore, they contribute to improve the understanding of the drying mechanisms in binary colloidal systems, which are still far from being fully elucidated.
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Dates et versions

hal-02735485 , version 1 (02-06-2020)

Identifiants

  • HAL Id : hal-02735485 , version 1
  • PRODINRA : 488614

Citer

Luca Lanotte, Ming Yu, Françoise Boissel, Cécile Le Floch-Fouéré, Ludovic Pauchard, et al.. Crack patterns in binary mixes of dairy colloids: The impact of protein properties.. Journées Plénières du GDR SLAMM (Solliciter LA Matière Molle), Nov 2019, Roscoff, France. ⟨hal-02735485⟩
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