Efficacy of a Rose Bengal-Embedded Antimicrobial Packaging Film in Inactivating Escherichia coli under Visible Light Irradiation

dc.contributor.authorJohnson, Andreaen
dc.contributor.authorWu, Jianen
dc.contributor.authorZhou, Zheen
dc.contributor.authorLi, Yilinen
dc.contributor.authorYin, Yunen
dc.contributor.authorPonder, Monica A.en
dc.contributor.authorKim, Young-Tecken
dc.contributor.authorShuai, Danmengen
dc.contributor.authorHuang, Haiboen
dc.date.accessioned2025-03-24T12:23:46Zen
dc.date.available2025-03-24T12:23:46Zen
dc.date.issued2024-02-24en
dc.description.abstractAntimicrobial packaging reduces the extent of microbial contamination; however, conventional antimicrobial packaging, which releases antimicrobial agents into food, may experience rapid agent depletion and can adversely affect food flavors. In this study, a novel photocatalytic antimicrobial nanofiber film embedded with Rose Bengal (RB) dye that generates reactive oxygen species (ROS) in visible light was designed for inactivating microorganisms. The film’s antimicrobial properties under various light intensities and exposure times were evaluated, using Escherichia coli as a test microorganism. The results demonstrated that RB generates singlet oxygen as its principal ROS and has potent antimicrobial effects when incorporated into a film, achieving a 4.4 ± 0.1 log CFU reduction in E. coli after 45 h under a light intensity of 6500 lx. The film’s antimicrobial efficacy was dependent on light intensity, with significant E. coli inactivation occurring above 2000 lx. Overall, the RB-incorporated film effectively inactivates E. coli, providing a promising alternative to conventional antimicrobial packaging methods.en
dc.description.versionPublished versionen
dc.format.extentPages 561-566en
dc.format.extent6 page(s)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1021/acsfoodscitech.4c00040en
dc.identifier.eissn2692-1944en
dc.identifier.issn2692-1944en
dc.identifier.issue3en
dc.identifier.orcidHuang, Haibo [0000-0002-2106-4105]en
dc.identifier.orcidKim, Young [0000-0003-2784-584X]en
dc.identifier.orcidPonder, Monica [0000-0001-7047-3127]en
dc.identifier.orcidYin, Yun [0000-0002-5695-946X]en
dc.identifier.urihttps://hdl.handle.net/10919/125067en
dc.identifier.volume4en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subjectantimicrobial packagingen
dc.subjectphotocatalysisen
dc.subjectRose Bengalen
dc.subjectfood safetyen
dc.subjectnanofiber filmen
dc.titleEfficacy of a Rose Bengal-Embedded Antimicrobial Packaging Film in Inactivating <i>Escherichia coli</i> under Visible Light Irradiationen
dc.title.serialFood Science & Technologyen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.otherArticleen
dc.type.otherJournalen
pubs.organisational-groupVirginia Techen
pubs.organisational-groupVirginia Tech/Natural Resources & Environmenten
pubs.organisational-groupVirginia Tech/Natural Resources & Environment/Sustainable Biomaterialsen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciencesen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/Food Science and Technologyen
pubs.organisational-groupVirginia Tech/All T&R Facultyen
pubs.organisational-groupVirginia Tech/Natural Resources & Environment/CNRE T&R Facultyen
pubs.organisational-groupVirginia Tech/Agriculture & Life Sciences/CALS T&R Facultyen

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