Efficacy of cold plasma functionalised water for improving microbiological safety of fresh produce and wash water recycling

DC FieldValueLanguage
dc.contributor.authorPatange, Apurva-
dc.contributor.authorLu, Peng-
dc.contributor.authorBoehm, Daniela-
dc.contributor.authorCullen, P. J.-
dc.contributor.authorBourke, Paula-
dc.date.accessioned2021-11-10T17:01:32Z-
dc.date.available2021-11-10T17:01:32Z-
dc.date.copyright2019 Elsevieren_US
dc.date.issued2019-12-
dc.identifier.citationFood Microbiologyen_US
dc.identifier.issn0740-0020-
dc.identifier.urihttp://hdl.handle.net/10197/12625-
dc.description.abstractAtmospheric cold plasma (ACP) is an effective method for microbiological decontamination. This study evaluated an alternative water-based decontamination approach for inactivation of bacterial population from fresh produce and in the wash water generated from fresh produce washing. The study characterised ACP inactivation of attached Listeria innocua and Pseudomonas fluorescens inoculated on lettuce in comparison to chlorine treatment. P. fluorescens was sensitive to ACP treatment and was reduced below detection limit within 3 min of treatment. L. innocua population was reduced by ∼2.4 Log10 CFU/g after 5 min of treatment; showing similar inactivation efficacy to chlorine treatment. The microbial load in wash water was continuously decreased and was below detection limits after 10 min of ACP treatment. Micro-bubbling along with agitation assisted the bacterial detachment and distribution of reactive species, thus increasing bacterial inactivation efficacy from fresh produce and wash water. A shift in pH of plasma functionalised water was observed along with high concentration of nitrate and ozone with a relative amount of nitrites which increased with plasma exposure time. Further, L. innocua treated at different independent pH conditions showed minimal or no effect of pH on ACP bacterial inactivation efficacy. Aqueous ACP treatment poses a promising alternative for decontamination of fresh produce and the associated wash-waters which could be applied in the food industry to replace continuous chlorine dosing of process waters.en_US
dc.description.sponsorshipDepartment of Agriculture, Food and the Marineen_US
dc.description.sponsorshipScience Foundation Irelanden_US
dc.format.mediumPrint-Electronic-
dc.language.isoenen_US
dc.publisherElsevieren_US
dc.rightsThis is the author’s version of a work that was accepted for publication in Food Microbiology. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Food Microbiology (84, (2019)) https://doi.org/10.1016/j.fm.2019.05.010en_US
dc.subjectAqueous atmospheric cold plasmaen_US
dc.subjectMinimally processeden_US
dc.subjectWash-water treatmenten_US
dc.subjectMicrobial decontaminationen_US
dc.subjectEnterica serovar typhimuriumen_US
dc.subjectAtmospheric pressure plasmaen_US
dc.subjectNonthermal plasmaen_US
dc.subjectFood industryen_US
dc.subjectListeria Monocytogenesen_US
dc.subjectInactivationen_US
dc.subjectDisinfectionen_US
dc.subjectBacteriaen_US
dc.subjectFruitsen_US
dc.titleEfficacy of cold plasma functionalised water for improving microbiological safety of fresh produce and wash water recyclingen_US
dc.typeJournal Articleen_US
dc.internal.authorcontactotherpaula.bourke@ucd.ieen_US
dc.statusPeer revieweden_US
dc.identifier.volume84en_US
dc.citation.otherArticle Number: 103226en_US
dc.identifier.doi10.1016/j.fm.2019.05.010-
dc.neeo.contributorPatange|Apurva|aut|-
dc.neeo.contributorLu|Peng|aut|-
dc.neeo.contributorBoehm|Daniela|aut|-
dc.neeo.contributorCullen|P. J.|aut|-
dc.neeo.contributorBourke|Paula|aut|-
dc.date.updated2020-09-21T21:19:38Z-
dc.identifier.grantidSFI/16/BBSRC/3391-
dc.identifier.grantidDAFM 13/F/444-
dc.rights.licensehttps://creativecommons.org/licenses/by-nc-nd/3.0/ie/en_US
item.fulltextWith Fulltext-
item.grantfulltextopen-
Appears in Collections:Biosystems and Food Engineering Research Collection
Files in This Item:
 File SizeFormat
DownloadEfficacy of cold plasma functionalized water (Ap).docx3.16 MBUnknown
Show simple item record

Page view(s)

214
Last Week
4
Last month
18
checked on Jan 17, 2022

Download(s)

8
checked on Jan 17, 2022

Google ScholarTM

Check

Altmetric


If you are a publisher or author and have copyright concerns for any item, please email research.repository@ucd.ie and the item will be withdrawn immediately. The author or person responsible for depositing the article will be contacted within one business day.