Aflatoxins and ochratoxin A and their Aspergillus causal species in Tunisian cereals

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dc.contributor.authorJedidi, Ines
dc.contributor.authorCruz, Alejandra
dc.contributor.authorGonzález Jaén, María Teresa
dc.contributor.authorSaid, Salem
dc.date.accessioned2023-06-17T22:02:08Z
dc.date.available2023-06-17T22:02:08Z
dc.date.issued2016-11-02
dc.description.abstractOccurrence of aflatoxins (AFs) AFB1, AFB2, AFG1, AFG2 and ochra toxin A (OTA) was studied in 65 samples of stored and freshly harvested wheat, barley and maize collected in Tunisia. The mycotoxins were simultaneously extracted and quantified by high performance liquid chromatography. Determination of AF-producing (section Flavi) and OTA-producing Aspergillus species (sections Nigri and Circumdati) was conducted in these samples by species-specific polymerase chain reaction (PCR). Results showed that most of maize samples were contaminated with AFs, data after storage showing lower values than those collected at harvest. All contaminated maize samples contained AFG1 and AFG2, among which 27.78% also had AFB1 and AFB2. This AFs pattern was consistent with the A. parasiticus toxin profile. A. flavus however showed the highest frequency in maize but was also found in barley and wheat where no AFs were detected. In contrast, OTA was neither found in maize nor in barley and only one wheat sample contained OTA. A. niger was the only OTA-producing species detected.
dc.description.departmentDepto. de Genética, Fisiología y Microbiología
dc.description.facultyFac. de Ciencias Biológicas
dc.description.refereedTRUE
dc.description.sponsorshipMinisterio de Economía y Competitividad (MINECO)
dc.description.sponsorshipTunisian Ministry of Higher Education and Scientific Research
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/44034
dc.identifier.doi10.1080/19393210.2016.1247917
dc.identifier.issn1939-3210
dc.identifier.officialurlhttp://www.tandfonline.com/loi/tfab20
dc.identifier.urihttps://hdl.handle.net/20.500.14352/17959
dc.issue.number1
dc.journal.titleFood Additives & Contaminants: Part B
dc.language.isoeng
dc.page.final58
dc.page.initial51
dc.publisherTaylor & Francis
dc.relation.projectIDAGL2014-53928-C2-2-R
dc.rights.accessRightsrestricted access
dc.subject.cdu612.017.4:579.61
dc.subject.cdu582.282.123.4
dc.subject.cdu633.1
dc.subject.keywordWheat
dc.subject.keywordbarley
dc.subject.keywordmaize
dc.subject.keywordaflatoxin B1
dc.subject.keywordaflatoxin B2
dc.subject.keywordaflatoxin G1
dc.subject.keywordaflatoxin G2
dc.subject.keywordochratoxin A
dc.subject.keywordtoxigenic Aspergillus species
dc.subject.keywordPCR
dc.subject.ucmBiología
dc.subject.ucmBotánica (Biología)
dc.subject.ucmGenética
dc.subject.unesco24 Ciencias de la Vida
dc.subject.unesco2417.03 Botánica General
dc.subject.unesco2409 Genética
dc.titleAflatoxins and ochratoxin A and their Aspergillus causal species in Tunisian cereals
dc.typejournal article
dc.volume.number10
dspace.entity.typePublication
relation.isAuthorOfPublicationc6e49c5c-cd3d-4aa3-b582-4a5221825dc0
relation.isAuthorOfPublication.latestForDiscoveryc6e49c5c-cd3d-4aa3-b582-4a5221825dc0
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