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dc.contributor.authorTaniwak, Marta H.; et. al.-
dc.contributor.otherPT_Br
dc.date.accessioned-
dc.date.accessioned2021-09-21T19:47:17Z-
dc.date.availablePT_Br
dc.date.available2021-09-21T19:47:17Z-
dc.date.copyright-
dc.date.issued2017-
dc.identifierPT_Br
dc.identifier.citationFood Microbiology, v. 61, p.14-22, 2016. Doi: http://dx.doi.org/10.1016/j.fm.2016.08.002.pt_BR
dc.identifier.issn0740-0020-
dc.identifier.urihttp://repositorio.ital.sp.gov.br/jspui/handle/123456789/171-
dc.description.abstractA total of 172 Brazil nut samples (114 in shell and 58 shelled) from the Amazon rainforest region and Sao~ Paulo state, Brazil was collected at different stages of the Brazil nut production chain: rainforest, street markets, processing plants and supermarkets. The mycobiota of the Brazil nut samples were evaluated and also compared in relation to water activity. A huge diversity of Aspergillus and Penicillium species were found, besides Eurotium spp., Zygomycetes and dematiaceous fungi. A polyphasic approach using morphological and physiological characteristics, as well as molecular and extrolite profiles, were studied to distinguish species among the more important toxigenic ones in Aspergillus section Flavi and A. section Nigri. Several metabolites and toxins were found in these two sections. Ochratoxin A (OTA) was found in 3% of A. niger and 100% of A. carbonarius. Production of aflatoxins B and G were found in all isolates of A. arachidicola, A. bombycis, A. nomius, A. pseudocaelatus and A. pseudonomius, while aflatoxin B was found in 38% of A. flavus and all isolates of A. pseudotamarii. Cyclopiazonic acid (CPA) was found in A. bertholletius (94%), A. tamarii (100%), A. caelatus (54%) and A. flavus (41%). Tenuazonic acid, a toxin commonly found in Alternaria species was produced by A. bertholletius (47%), A. caelatus (77%), A. nomius (55%), A. pseudonomius (75%), A. arachidicola (50%) and A. bombycis (100%). This work shows the changes of Brazil nut mycobiota and the potential of mycotoxin production from rainforest to consumer, considering the different environments which exist until the nuts are consumed.pt_BR
dc.description.sponsorshipFAPESPpt_BR
dc.formatPT_Br
dc.languagePT_Br
dc.language.isoenpt_BR
dc.publisherElsevier Ltd.pt_BR
dc.rightsPT_Br
dc.sourcePT_Br
dc.titleBiodiversity of mycobiota throughout the Brazil nut supply chain: From rainforest to consumerpt_BR
dc.typeArticlept_BR
dc.date.updated-
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