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Typicality assessment of onions (Allium cepa) from different geographical regions based on the volatile signature and chemometric tools

2020Journal article Open access
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dc.contributor.authorFernandes, Sara
dc.contributor.authorGóis, André
dc.contributor.authorMendes, Fátima
dc.contributor.authorPerestrelo, Rosa
dc.contributor.authorMedina, Sonia
dc.contributor.authorCamara, José S.
dc.date.accessioned2022-10-04T14:59:53Z
dc.date.available2022-10-04T14:59:53Z
dc.date.issued2020
dc.description.abstractOnion (Allium cepa L.) is one of the main agricultural commodities produced and consumed around the world. In the present work, for the first time, the volatile signature of onions from different geographical regions of Madeira Island (Caniço, Santa Cruz, Ribeira Brava, and Porto Moniz) was tested with headspace solid-phase microextraction (HS-SPME/GC-qMS) and chemometric tools, showing that the volatile signature was affected by the geographical region of cultivation. Sulfur compounds, furanic compounds, and aldehydes are the most dominant chemical groups. Some of the identified volatile organic metabolites (VOMs) were detected only in onions cultivated in specific regions; 17 VOMs were only identified in onions cultivated at Caniço, eight in Porto Moniz, two in Santa Cruz, two in Ribeira Brava, while 12 VOMs are common to all samples from the four regions. Moreover, some VOMs belonging to sulfur compounds (dipropyl disulfide, 3-(acetylthio)-2-methylfuran), furanic compounds (dimethylmethoxyfuranone, ethyl furanone, acetyloxy-dimethylfuranone), and lactones (whiskey lactone isomer), could be applied as potential geographical markers of onions, providing a useful tool to authenticate onions by farming regions where the influence of latitude seems to be an important factor for yielding the chemical profile and may contribute to geographical protection of food and simultaneously benefiting both consumers and farmers.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationFernandes, S., Gois, A., Mendes, F., Perestrelo, R., Medina, S., & Câmara, J. S. (2020). Typicality assessment of onions (Allium cepa) from different geographical regions based on the volatile signature and chemometric tools. Foods, 9(3), 375.pt_PT
dc.identifier.doi10.3390/foods9030375pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/4686
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationStrategic Project - UI 674 - 2014
dc.relationFrom the development of a new nanomaterial-based device to the early disease diagnosis of lung cancer based on the volatomic and proteomic pattern of exhaled breath - Innovative stratey for selective removal of ethyl carbamate from wines through the development of a molecular imprinted polymer coated on celulose nanofibers
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOnionspt_PT
dc.subjectVolatile signaturept_PT
dc.subjectSolid-phase microextractionpt_PT
dc.subjectGas chromatography-mass spectrometrypt_PT
dc.subjectGeographic originpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências Exatas e da Engenhariapt_PT
dc.subjectCentro de Química da Madeira
dc.titleTypicality assessment of onions (Allium cepa) from different geographical regions based on the volatile signature and chemometric toolspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleStrategic Project - UI 674 - 2014
oaire.awardTitleFrom the development of a new nanomaterial-based device to the early disease diagnosis of lung cancer based on the volatomic and proteomic pattern of exhaled breath - Innovative stratey for selective removal of ethyl carbamate from wines through the development of a molecular imprinted polymer coated on celulose nanofibers
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/PEst-OE%2FQUI%2FUI0674%2F2014/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBPD%2F97387%2F2013/PT
oaire.citation.issue3pt_PT
oaire.citation.startPage575pt_PT
oaire.citation.titleFoodspt_PT
oaire.citation.volume9pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameGóis
person.familyNameMendes Ferreira
person.familyNamePerestrelo
person.familyNameMedina
person.familyNameCâmara
person.givenNameAndré
person.givenNameFátima José
person.givenNameRosa
person.givenNameSonia
person.givenNameJosé
person.identifierAAV-3293-2020
person.identifier1441319
person.identifierG-3003-2013
person.identifier.ciencia-idD518-EF78-40DD
person.identifier.ciencia-id8118-A986-96B2
person.identifier.ciencia-id251A-D5F7-9E32
person.identifier.ciencia-id481C-08CE-90E5
person.identifier.orcid0000-0001-6410-5184
person.identifier.orcid0000-0003-0714-929X
person.identifier.orcid0000-0002-7223-1022
person.identifier.orcid0000-0002-7231-6480
person.identifier.orcid0000-0003-1965-3151
person.identifier.ridI-2307-2014
person.identifier.ridM-2479-2014
person.identifier.scopus-author-id57202950944
person.identifier.scopus-author-id16686828800
person.identifier.scopus-author-id57203612189
person.identifier.scopus-author-id10140393000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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