Influence of dryer type on surface characteristics of milk powders

Fyfe, Kim, Kravchuk, Olena, Nguyen, Anh V., Deeth, Hilton and Bhandari, Bhesh (2011) Influence of dryer type on surface characteristics of milk powders. Drying Technology, 29 7: 758-769. doi:10.1080/07373937.2010.538481


Author Fyfe, Kim
Kravchuk, Olena
Nguyen, Anh V.
Deeth, Hilton
Bhandari, Bhesh
Title Influence of dryer type on surface characteristics of milk powders
Journal name Drying Technology   Check publisher's open access policy
ISSN 0737-3937
1532-2300
Publication date 2011-01
Sub-type Article (original research)
DOI 10.1080/07373937.2010.538481
Volume 29
Issue 7
Start page 758
End page 769
Total pages 12
Place of publication Philadelphia, PA, United States
Publisher Taylor & Francis
Collection year 2012
Language eng
Abstract Reconstituted milk powders (skim milk, whole milk, and milk protein concentrate powders) were spray dried using research-scale (laboratory- and pilot-scale) spray dryers to investigate the influence of type on the dryer on the surface composition (protein, fat, lactose) and morphological characteristics (size and surface structure) of the powder particles. Milk powders produced by these research-scale dryers were compared to commercially produced and freeze-dried powders. The powders produced by the laboratory- and pilot-scale dryers were significantly different from the commercially dried powders in both surface composition and morphology. The milk powders produced by laboratory- and pilot-scale dryers provided reproducible results with similar surface morphologies between dryer types, despite varying surface compositions. The surface composition of the freeze-dried powder was also significantly different from than that of the spray-dried powders. The freeze-dried skim milk powder (SMP) was similar in surface protein to its bulk protein composition, indicating relative homogeneity of particle composition of the freeze-dried powder.
Keyword Freeze drying
Milk powder
Spray drying
Surface coverage
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
Official 2012 Collection
School of Agriculture and Food Sciences
 
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Created: Wed, 12 Oct 2011, 23:09:52 EST by Professor Anh Nguyen on behalf of School of Chemical Engineering