Real-time CO2 production monitoring in stored oats as an indicator of type A trichothecenes and ochratoxin A contamination under simulated environmental conditions

dc.contributor.authorOluwakayode, Abimbola
dc.contributor.authorSulyok, Michael
dc.contributor.authorBerthiller, Franz
dc.contributor.authorVerheecke-Vaessen, Carol
dc.contributor.authorKrska, Rudolf
dc.contributor.authorMedina, Angel
dc.date.accessioned2025-03-21T09:16:58Z
dc.date.available2025-03-21T09:16:58Z
dc.date.freetoread2025-03-21
dc.date.issued2025-03-11
dc.date.pubOnline2025-03-11
dc.description.abstractGrain industries are interested in an integrated approach to in-silo grain quality and safety management using carbon dioxide (CO2) measurement with temperature and moisture monitoring. Our study investigates if CO2 production could predict mycotoxin production (T-2 toxin, HT-2 toxin, its glucoside, and ochratoxin A (OTA)) and identify storage conditions exceeding legislative limits in stored oats for the first time. The influence of water activity (aw) levels (0.70–0.95 aw), temperature (15 and 20 °C), and storage duration on (a) Fusarium populations, (b) CO2 respiration rates (RRs), and (c) mycotoxin concentrations in stored oats was examined. One hundred and twenty samples were analysed for multiple mycotoxins by LC-MS/MS. Substantial differences were found in the RRs of oats at ≥0.90 aw at both temperatures. A moderate positive correlation between CO2 and mycotoxins was noticed and mycotoxins exceeded their limits at ≥0.90 aw (22% moisture content) when RR ≥ 25 µg CO2 kg−1 h−1. This knowledge forms the basis for developing decision support systems for improving oats’ storage management.
dc.description.journalNameToxins
dc.description.sponsorshipThis research was funded by the United Kingdom Research and Innovation (UKRI), the Biotechnology and Biological Sciences Research Council (BBSRC), and the FoodBioSystem Doctoral Training Programme (FBSDTP); grant reference: BB/T008776/1.
dc.identifier.citationOluwakayode A, Sulyok M, Berthiller F, et al., (2025) Real-time CO2 production monitoring in stored oats as an indicator of type A trichothecenes and ochratoxin A contamination under simulated environmental conditions. Toxins, Volume 17, Issue 3, March 2025, Article number 132
dc.identifier.eissn2072-6651
dc.identifier.elementsID566645
dc.identifier.issueNo3
dc.identifier.paperNo132
dc.identifier.urihttps://doi.org/10.3390/toxins17030132
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/23634
dc.identifier.volumeNo17
dc.languageEnglish
dc.language.isoen
dc.publisherMDPI AG
dc.publisher.urihttps://www.mdpi.com/2072-6651/17/3/132
dc.rightsAttribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject3214 Pharmacology and pharmaceutical sciences
dc.subjectFusarium langsethiae
dc.subjectT-2/HT-2 toxin
dc.subjectochratoxin A
dc.subjectcarbon dioxide respiration rate
dc.subjectwater activity
dc.subjectLC-MS/MS
dc.titleReal-time CO2 production monitoring in stored oats as an indicator of type A trichothecenes and ochratoxin A contamination under simulated environmental conditions
dc.typeArticle
dcterms.dateAccepted2025-03

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