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Effect of casein/whey ratio on the thermal ...
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Type de document :
Article dans une revue scientifique: Article original
DOI :
10.1016/j.jfoodeng.2020.110175
URL permanente :
http://hdl.handle.net/20.500.12210/33875
Titre :
Effect of casein/whey ratio on the thermal denaturation of whey proteins and subsequent fouling in a plate heat exchanger
Auteur(s) :
Liu, Weiji [Auteur]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Soochow University
Chen, Xiao Dong [Auteur]
Jeantet, Romain [Auteur]
Andre, Christophe [Auteur] refId
Hautes Etudes d’Ingénieur [Lille] [HEI]
Unité Matériaux et Transformations (UMET) - UMR 8207
Bellayer, Séverine [Auteur] refId
Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement [INRAE]
Unité Matériaux et Transformations (UMET) - UMR 8207
Delaplace, Guillaume [Auteur] refId
Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement [INRAE]
Unité Matériaux et Transformations - UMR 8207 [UMET]
Unité Matériaux et Transformations (UMET) - UMR 8207
Titre de la revue :
Journal of Food Engineering
Nom court de la revue :
Journal of Food Engineering
Numéro :
289
Pagination :
110175
Éditeur :
Elsevier BV
Date de publication :
2021-01
ISSN :
0260-8774
Mot(s)-clé(s) en anglais :
Casein/whey ratio
Whey protein fouling
Plate heat exchanger
Denaturation kinetic constant
Discipline(s) HAL :
Sciences du Vivant [q-bio]/Ingénierie des aliments
Résumé en anglais : [en]
Dairy fouling is a ubiquitous problem in food processing, however, the fouling mechanism is not fully understood and investigations arose mainly from experiments with model systems that contained only whey proteins, typically ...
Lire la suite >
Dairy fouling is a ubiquitous problem in food processing, however, the fouling mechanism is not fully understood and investigations arose mainly from experiments with model systems that contained only whey proteins, typically reconstituted from whey protein isolate powder (WPI). The effect of casein on fouling has been rarely considered despite it is the major component of milk proteins. To fill this gap, whey protein-based model fluids containing different casein concentrations and fixed content of added calcium were prepared, leading to various Casein/WPI mass ratios. The effect of Casein/WPI on β-lactoglobulin (BLG) denaturation at molecular level and subsequent fouling behavior in the pilot-scale plate heat exchanger during pasteurization treatment was investigated. It was shown that Casein/WPI significantly affects the fouling behavior: at low Casein/WPI, fouling mass dropped dramatically until a minimum value was reached located at Casein/WPI of 0.2. While at higher Casein/WPI, fouling mass increased with elevated Casein/WPI. Element mapping of the fouling layer also reveals that different structures and fouling mechanisms occur depending on Casein/WPI ratio. Finally, it was established that contrary to WPI solutions, BLG thermal denaturation is poorly correlated to decrease/extent of fouling for casein protein-based solutions showing that the presence of casein deeply modifies mineral and protein interactions and fouling build-up.Lire moins >
Langue :
Anglais
Comité de lecture :
Oui
Audience :
Internationale
Vulgarisation :
Non
Établissement(s) :
Université de Lille
CNRS
INRA
ENSCL
Collections :
  • Unité Matériaux et Transformations (UMET) - UMR 8207
Équipe(s) de recherche :
Processus aux Interfaces et Hygiène des Matériaux (PIHM)
Date de dépôt :
2020-12-10T12:13:49Z
Université de Lille

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