The use of confocal Raman microscopy and microfluidic channels to monitor the location and mobility of β-carotene incorporated in droplet-stabilized oil-in-water emulsions

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dc.citation.volume6
dc.contributor.authorOkubanjo SS
dc.contributor.authorBrooke SJ
dc.contributor.authorWard R
dc.contributor.authorMostert N
dc.contributor.authorLoveday SM
dc.contributor.authorYe A
dc.contributor.authorWilde PJ
dc.contributor.authorSingh H
dc.contributor.authorWaterland M
dc.coverage.spatialNetherlands
dc.date.accessioned2024-05-09T02:44:20Z
dc.date.available2024-05-09T02:44:20Z
dc.date.issued2023-05-17
dc.description.abstractThis study sought to explore the combined use of confocal Raman microscopy and microfluidic channels to probe the location and mobility of hydrophobic antioxidant (β-carotene) incorporated at the interface of food-grade droplet-stabilized emulsions (DSEs). Microfluidic channels were used to isolate emulsion droplets for efficient investigation of antioxidant mobility. This approach proved more conclusive than fixing the sample in agarose, because a single layer of droplets could be obtained. Results also indicated that the migration of β-carotene incorporated in shell droplets of olive oil and trimyristin DSEs to core droplets was minimal and beta-carotene remained mostly localised at the interface even after 3 days of production. This work demonstrates that microfluidic isolation of emulsion droplets combined with confocal Raman microscopy can give new insights into the spatial variation of chemical composition within emulsions. This study revealed that the migration of β-carotene between shell and core was minimal and hence it may be possible to concurrently deliver two incompatible compounds by spatially segregating them between shell and core compartments of DSEs.
dc.description.confidentialfalse
dc.edition.edition2023
dc.format.pagination100515-
dc.identifier.author-urlhttps://www.ncbi.nlm.nih.gov/pubmed/37229312
dc.identifier.citationOkubanjo SS, Brooke SJ, Ward R, Mostert N, Loveday SM, Ye A, Wilde PJ, Singh H, Waterland M. (2023). The use of confocal Raman microscopy and microfluidic channels to monitor the location and mobility of β-carotene incorporated in droplet-stabilized oil-in-water emulsions.. Curr Res Food Sci. 6. (pp. 100515-).
dc.identifier.doi10.1016/j.crfs.2023.100515
dc.identifier.eissn2665-9271
dc.identifier.elements-typejournal-article
dc.identifier.issn2665-9271
dc.identifier.number100515
dc.identifier.piiS2665-9271(23)00083-7
dc.identifier.urihttps://mro.massey.ac.nz/handle/10179/69538
dc.languageeng
dc.publisherElsevier B V
dc.publisher.urihttps://www.sciencedirect.com/science/article/pii/S2665927123000837
dc.relation.isPartOfCurr Res Food Sci
dc.rights(c) 2023 The Author/s
dc.rightsCC BY 4.0
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.subjectConfocal Raman microscopy
dc.subjectDroplet-stabilized emulsion
dc.subjectMicrofluidic channel
dc.subjectβ-carotene
dc.titleThe use of confocal Raman microscopy and microfluidic channels to monitor the location and mobility of β-carotene incorporated in droplet-stabilized oil-in-water emulsions
dc.typeJournal article
pubs.elements-id461792
pubs.organisational-groupOther
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