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Ion mobility spectrometry as an emerging tool for characterization of the volatile profile and identification of microbial growth in pomegranate juice

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dc.contributor.authorCastell Martínez, Ana
dc.contributor.authorArroyo Manzanares, Natalia
dc.contributor.authorHernández, Juan de Dios
dc.contributor.authorGuillén, Isidro
dc.contributor.authorVizcaíno, Pascuali
dc.contributor.authorLópez García, Ignacio Francisco
dc.contributor.authorHernández Córdoba, Manuel
dc.contributor.authorViñas López-Pelegrin, Pilar
dc.contributor.departmentQuímica Analítica
dc.date.accessioned2025-10-23T07:24:13Z
dc.date.available2025-10-23T07:24:13Z
dc.date.copyright© 2021 The Author(s)
dc.date.issued2021-12-17
dc.description.abstractHeadspace - gas chromatography (HS-GC) coupled to ion mobility spectrometry (IMS) is proposed as an alternative to plate counting to detect and quantify the microbial contamination in pomegranate juice. Thus, contaminated samples by the yeast Saccharomyces cerevisiae were monitored during 6 non-consecutive days over two weeks using two types of preservatives (a sorbate/benzoate mixture and a natural preservative from vegetable extracts). IMS is an emerging technique with high potential for volatile organic compounds (VOCs) monitoring because its high sensitivity and separation power of ions. The fingerprint of the samples allowed to establish difference in the volatile composition of contaminated and non-contaminated samples. Ethyl acetate, ethyl butyrate and limonene were characterized obtaining limits of detection and quantification below 0.029 and 0.097 μg/g, respectively. Furthermore, chemometric models were performed to detect contaminated pomegranate juice and to assess the concentration of yeast, obtaining a validation success of 100 and 90.91%, respectively.
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dc.identifier.citationMicrochemical Journal, 2022, Vol. 174 : 107099
dc.identifier.doihttps://doi.org/10.1016/j.microc.2021.107099
dc.identifier.eissn1095-9149
dc.identifier.issn0026-265X
dc.identifier.urihttp://hdl.handle.net/10201/168369
dc.languageeng
dc.publisherElsevier
dc.relationMinisterio de Ciencia e Innovación (PGC2018-098363-B-100), Comunidad Autónoma de la Región de Murcia (CARM, Fundación Séneca, Proyecto 19888/GERM/15), Universidad de Murcia (R-1328/2018) y Comisión Europea (FEDER/FEDER).
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0026265X21011851
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectIon mobility spectrometry
dc.subjectPunica granatum L.
dc.subjectPomegranate juice
dc.subjectMicrobial contamination
dc.subjectSaccharomyces cerevisiae
dc.subjectGas chromatography
dc.subject.odsNo relacionado con ningún objetivo de desarrollo sostenible
dc.titleIon mobility spectrometry as an emerging tool for characterization of the volatile profile and identification of microbial growth in pomegranate juice
dc.typeinfo:eu-repo/semantics/article
dspace.entity.typePublicationes
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