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Production of skim milk powder by spray-drying from transglutaminase treated milk concentrates: Effects on physicochemical, powder flow, thermal and microstructural characteristics

MakaleAçık ErişimScopus SJRQ1
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Özet

The effects of transglutaminase (TGase) treatment of skim milk concentrates on physicochemical, powder flow, thermal, microstructural characteristics and protein profiles of skim milk powders (SMP) were investigated. Spray-dried SMP samples produced from milk concentrates were TGase-treated at enzyme concentrations of 0 (control), 0.020% (TG-20), 0.030% (TG-30) and 0.035% (TG-35). Lower particle size values were observed in TGase-treated samples. TGase treatment slightly decreased zeta potential and increased the a* value (redness) of SMPs. Up to a concentration of 0.030%, TGase treatment decreased caking characteristics and increased glass transition temperatures of samples. The TGase treatment above 0.035% significantly decreased cohesion index and compaction coefficient at different speeds. TG-35 showed free flowing flow behaviour depending on the cohesion index, whereas control, TG-20, and TG-30 showed easy flowing behaviour. SDS-PAGE analysis revealed that high molecular mass bands indicated cross-linking in TGase-treated milk powders.

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ScopusScopusWeb of ScienceWeb of Science
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WoS
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OpenAlex
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Tam Kayıt
AlanDeğerDil
dc.contributor.authorEr, Betül
dc.contributor.authorSert, Durmuş
dc.contributor.authorMercan, Emin
dc.date.accessioned2026-10-29T19:10:42.050018500Z
dc.date.available2026-10-29T19:10:42.050018500Z
dc.date.issued2019
dc.description.abstractThe effects of transglutaminase (TGase) treatment of skim milk concentrates on physicochemical, powder flow, thermal, microstructural characteristics and protein profiles of skim milk powders (SMP) were investigated. Spray-dried SMP samples produced from milk concentrates were TGase-treated at enzyme concentrations of 0 (control), 0.020% (TG-20), 0.030% (TG-30) and 0.035% (TG-35). Lower particle size values were observed in TGase-treated samples. TGase treatment slightly decreased zeta potential and increased the a* value (redness) of SMPs. Up to a concentration of 0.030%, TGase treatment decreased caking characteristics and increased glass transition temperatures of samples. The TGase treatment above 0.035% significantly decreased cohesion index and compaction coefficient at different speeds. TG-35 showed free flowing flow behaviour depending on the cohesion index, whereas control, TG-20, and TG-30 showed easy flowing behaviour. SDS-PAGE analysis revealed that high molecular mass bands indicated cross-linking in TGase-treated milk powders.
dc.description.sponsorshipMustafa Civelek, Director of Research & Development Department of Enka Dairy Company
dc.identifier.articlenumber104544
dc.identifier.doi10.1016/j.idairyj.2019.104544
dc.identifier.eissn1879-0143
dc.identifier.issn0958-6946
dc.identifier.scopus2-s2.0-85071268046
dc.identifier.urihttps://rdlopen.rawdatalibrary.net/r/bayburt/13251
dc.identifier.volume99
dc.identifier.wosWOS:000493896500010
dc.language.isoen
dc.publisherElsevier Ltd
dc.relation.ispartofInternational Dairy Journal
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subject.classificationFood Science & Technology
dc.subject.otherGlass transition
dc.subject.otherParticle size
dc.subject.otherPowders
dc.subject.otherSpray drying
dc.subject.otherEnzyme concentrations
dc.subject.otherFlow behaviours
dc.subject.otherHigh molecular mass
dc.subject.otherMicro-structural characteristics
dc.subject.otherProtein profiles
dc.subject.otherSDS-PAGE analysis
dc.subject.otherSkim milk powder
dc.subject.otherTransglutaminases
dc.subject.otherParticle size analysis
dc.titleProduction of skim milk powder by spray-drying from transglutaminase treated milk concentrates: Effects on physicochemical, powder flow, thermal and microstructural characteristics
dc.typeArticle
rdl.citation.openalex31
rdl.citation.scopus30
rdl.citation.wos24
rdl.oa.statusgreen
rdl.oa.statuspreprint
rdl.oa.urlhttp://hdl.handle.net/20.500.12403/3635
rdl.scopus.quartileQ1
rdl.sdgSDG02
rdl.source.indexSCOPUS
rdl.source.indexWOS
rdl.wos.indexScience Citation Index Expanded (SCI-EXPANDED)