Influence of mechanical integrity during pneumatic conveying on the bulk handling and rehydration properties of agglomerated dairy powders

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dc.check.date2021-04-30
dc.check.infoAccess to this article is restricted until 12 months after publication by request of the publisher.en
dc.contributor.authorHazlett, Ryan
dc.contributor.authorSchmidmeir, Christiane
dc.contributor.authorO'Mahony, James A.
dc.contributor.funderEnterprise Irelanden
dc.date.accessioned2020-05-15T09:58:48Z
dc.date.available2020-05-15T09:58:48Z
dc.date.issued2020-04-30
dc.date.updated2020-05-15T09:53:26Z
dc.description.abstractAgglomerated powders are susceptible to breakdown on handling, most notably, during powder conveying. In this study, three agglomerated dairy powders (whey protein concentrate powder, WPC; fat-filled milk powder, FFMP and infant formula powder, IF) were conveyed through a custom-fabricated dispersion rig to understand the effects of agglomerate breakdown on dairy powder handling and application. All samples displayed significant breakdown on dispersion, evidenced by reducing particle size and increasing bulk density. The resulting flowability of these powders was impaired (flow index: WPC: 9.3 to 5.1, FFMP: 5.7 to 4.9 and IF: 16 to 10) via increased particle-particle interactions. The initial stages of rehydration were impeded by agglomerate breakage (42.9–47.0% wettability reduction and 7.22–16.4% dispersibility reduction), while powder solubility remained relatively unchanged. This study provides insights into the alterations of agglomerated dairy powder properties on agglomerate breakdown, while identifying the effects these alterations have on the functional properties of these powders.en
dc.description.sponsorshipEnterprise ireland (Dairy Processing Technology Centre (DPTC), an Enterprise Ireland initiative (Grant Number TC/2014/0016))en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHazlett, R., Schmidmeir, C. and O'Mahony, J. A. (2020) 'Influence of mechanical integrity during pneumatic conveying on the bulk handling and rehydration properties of agglomerated dairy powders', Journal of Food Engineering, doi: 10.1016/j.jfoodeng.2020.110103en
dc.identifier.doi10.1016/j.jfoodeng.2020.110103en
dc.identifier.endpage37en
dc.identifier.issn0260-8774
dc.identifier.journaltitleJournal of Food Engineeringen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/9958
dc.language.isoenen
dc.publisherElsevieren
dc.relation.urihttps://www.sciencedirect.com/science/article/pii/S0260877420302016
dc.rights© 2020 Elsevier Ltd. All rights reserved. This manuscript version is made available under the CC BY-NC-ND 4.0 license.en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectAgglomerate integrityen
dc.subjectPowder conveyingen
dc.subjectPowder functionalityen
dc.subjectFlowabilityen
dc.subjectRehydrationen
dc.titleInfluence of mechanical integrity during pneumatic conveying on the bulk handling and rehydration properties of agglomerated dairy powdersen
dc.typeArticle (peer-reviewed)en
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