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Antifungal activity of peracetic acid against toxigenic fungal contaminants of maize and barley at the postharvest stage

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Antifungal activity of peracetic acid against toxigenic fungal contaminants of maize and barley at the postharvest stage

dc.contributor.author	Luz Minguez, Carlos
dc.contributor.author	Carbonell, Raquel
dc.contributor.author	Quiles Beses, Juan Manuel
dc.contributor.author	Torrijos, Raquel
dc.contributor.author	de Melo Nazareth, Tiago
dc.contributor.author	Mañes Vinuesa, Jordi
dc.contributor.author	Meca, Giuseppe
dc.date.accessioned	2021-07-26T10:11:39Z
dc.date.available	2021-07-26T10:11:39Z
dc.date.issued	2021
dc.identifier.citation	Luz Minguez, Carlos Carbonell, Raquel Quiles Beses, Juan Manuel Torrijos, Raquel de Melo Nazareth, Tiago Mañes Vinuesa, Jordi Meca, Giuseppe 2021 Antifungal activity of peracetic acid against toxigenic fungal contaminants of maize and barley at the postharvest stage Lwt-Food Science And Technology
dc.identifier.uri	https://hdl.handle.net/10550/80027
dc.description.abstract	Contamination of maize and barley grain during storage by the toxigenic fungi Aspergillus flavus (A. flavus) and Penicillium Verrucosum (P. verrucosum) is both an economic and a public health problem, especially in less industrialized countries. Peracetic acid (PA) is a compound used for the disinfection of food and food contact surfaces. Unlike other disinfectants, it leaves no toxic residues and its decomposition products (CH3COOH, O2 nd H2O) are environmentally friendly. In order to apply PA to preserve maize and barley grain during storage, first, the Minimum Inhibitory Concentration (MIC) and Minimum Fungicidal Concentration (MFC) against both fungi were determined in a 96-well sterile microplates. Then, the antifungal activity of the volatile PA was determined by depositing it on filter paper and Hydroxyethylcellulose (HEC) gels, which were placed in airtight 1L flasks together with PDA and maize and barley grain inoculated with both fungi. The MFC in liquid medium of A. flavus and P. verrucosum was 93.8 and 187.5 mg/L respectively. However, PA doses of 300 and 200 mg/L on HEC gels were required in order to observe significant antifungal and antimycotoxigenic activity in maize and barley grain inoculated with these fung.
dc.language.iso	eng
dc.relation.ispartof	Lwt-Food Science And Technology, 2021
dc.subject	Alimentació
dc.title	Antifungal activity of peracetic acid against toxigenic fungal contaminants of maize and barley at the postharvest stage
dc.type	journal article	es_ES
dc.date.updated	2021-07-26T10:11:39Z
dc.identifier.idgrec	147452
dc.rights.accessRights	open access	es_ES