Stability and safety assessment of phosphorescent oxygen sensors for use in food packaging applications

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dc.contributor.authorKelly, Caroline Ann
dc.contributor.authorCruz-Romero, Malco
dc.contributor.authorKerry, Joseph P.
dc.contributor.authorPapkovsky, Dmitri B.
dc.contributor.funderDepartment of Agriculture, Food and the Marineen
dc.date.accessioned2019-10-28T07:11:24Z
dc.date.available2019-10-28T07:11:24Z
dc.date.issued2018-09-06
dc.description.abstractFive types of new solid-state oxygen sensors, four based on microporous polypropylene fabric materials and one on polyphenylene sulphide films impregnated with phosphorescent platinum(II)-benzoporphyrin dye, were tested for their stability and safety in food packaging applications. All these sensors exhibit useful optical signals (phosphorescence lifetime readout) and working characteristics and are simpler and cheaper to produce and integrate into standard packaging materials than existing commercial sensors. When exposed to a panel of standard food simulants and upon direct contact with raw beef and chicken meat and cheddar cheese samples packaged under modified atmosphere, the sensors based on ungrafted polypropylene fabric, impregnated with PtBP dye by the swelling method, outperformed the other sensors. The sensors are also stable upon storage under normal atmospheric conditions for at least 12 months, without any significant changes in calibration.en
dc.description.sponsorshipDepartment of Agriculture, Food and the Marine (DAFM/11/F/015)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid38en
dc.identifier.citationKelly, C., Cruz-Romero, M., Kerry, J. and Papkovsky, D., 2018. Stability and safety assessment of phosphorescent oxygen sensors for use in food packaging applications. Chemosensors, 6(3), 38, (11 pp.). DOI:10.3390/chemosensors6030038en
dc.identifier.doi10.3390/chemosensors6030038en
dc.identifier.eissn2227-9040
dc.identifier.endpage11en
dc.identifier.issued3en
dc.identifier.journaltitleChemosensoren
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/8892
dc.identifier.volume6en
dc.language.isoenen
dc.publisherMDPIen
dc.relation.urihttps://www.mdpi.com/2227-9040/6/3/38
dc.rights© 2018 by the authors. Licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly citeden
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subjectOptical oxygen sensorsen
dc.subjectPhosphorescent materialsen
dc.subjectModified atmosphere packagingen
dc.subjectMAPen
dc.subjectResidual oxygenen
dc.subjectHeadspace oxygenen
dc.subjectNon-destructive controlen
dc.subjectStability testingen
dc.titleStability and safety assessment of phosphorescent oxygen sensors for use in food packaging applicationsen
dc.typeArticle (peer-reviewed)en
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