Peer-Reviewed Journal Details
Mandatory Fields
Crowley, SV,Gazi, I,Kelly, AL,Huppertz, T,O'Mahony, JA
Journal of Food Engineering
Influence of protein concentration on the physical characteristics and flow properties of milk protein concentrate powders
WOS: 73 ()
Optional Fields
Milk protein concentrate Particle size Particle structure Compressibility Flowability Hopper design STORAGE-CONDITIONS DAIRY POWDERS SURFACE-COMPOSITION FOOD POWDERS FLOWABILITY DESIGN
This study investigated the physical characteristics and flow properties of seven milk protein concentrate (MPC) powders, ranging from 36.6 (MPC35) to 89.6 (MPC90) % (w/w) protein in dry-matter. MPC80, MPC85 and MPC90 had the smallest particle sizes (P < 0.05) and significantly higher (P < 0.05) specific surface areas, as measured using nitrogen adsorption. The bulk density of MPC powders decreased with increasing protein content, due to increased (P < 0.05) levels of interstitial and occluded air. Flow testing indicated that high protein MPC powders were more compressible (P < 0.05), had lower flow index values (P < 0.05) and required larger (P < 0.05) outlet diameters for optimal flow in mass-flow hoppers compared to lower protein MPC powders. (C) 2014 Elsevier Ltd. All rights reserved.
Grant Details