Whey Wastes and Powders

Chandrapala, J 2018, 'Whey Wastes and Powders' in Mamdouh Mahmoud Abdel‐Rahman El‐Bakry, Antoni Sanchez, Bhavbhuti M. Mehta (ed.) Microstructure of Dairy Products, John Wiley & Sons, US, pp. 261-291.


Document type: Book Chapter
Collection: Book Chapters

Title Whey Wastes and Powders
Author(s) Chandrapala, J
Year 2018
Title of book Microstructure of Dairy Products
Publisher John Wiley & Sons
Place of publication US
Editor(s) Mamdouh Mahmoud Abdel‐Rahman El‐Bakry, Antoni Sanchez, Bhavbhuti M. Mehta
Start page 261
End page 291
Subjects Food Processing
Summary Whey has primarily been considered a waste by the dairy industry. However, strict environmental regulations prevented disposal of untreated liquid whey. Production of whey powders were among the most popular conversions of liquid whey. The recent advances in the processing techniques are aimed at producing a variety of milk powders consisting of excellent physical and functional properties which are preserved during storage. However, the powder structure is strongly affected by the composition of the liquid feed and the processing conditions. For instance, powders produced by roller drying has a compact structure with less occluded air, while spray dried powder particles are spherical containing occluded air, either as a large central vacuole or smaller vacuoles distributed through the interior of the particles. Another instance, high inlet temperature of the spray drier results in a more wrinkled surface, while the presence of high concentrations of proteins in the liquid feed results in a smooth surface. The present chapter focuses on different whey waste stream powders, processing methods and their microstructure as affected by the processing and compositional changes.
Copyright notice © 2018 John Wiley & Sons
Keyword(s) whey
dairy industry
waste
whey powders
microstructure
processing
ISBN 9781118964194
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