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http://hdl.handle.net/10261/97375
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dc.contributor.author | Cao Caamaño, Ana | - |
dc.contributor.author | Santiago Carabelos, Rogelio | - |
dc.contributor.author | Ramos, Antonio J. | - |
dc.contributor.author | Marín, Sonia | - |
dc.contributor.author | Reid, Lana M. | - |
dc.contributor.author | Butrón Gómez, Ana María | - |
dc.date.accessioned | 2014-05-28T11:06:45Z | - |
dc.date.available | 2014-05-28T11:06:45Z | - |
dc.date.issued | 2013-6-3 | - |
dc.identifier | doi: 10.1016/j.ijfoodmicro.2013.03.012 | - |
dc.identifier | issn: 0168-1605 | - |
dc.identifier | e-issn: 1879-3460 | - |
dc.identifier.citation | International Journal of Food Microbiology 164(1): 15- 22 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/97375 | - |
dc.description.abstract | In Southern Europe where whole maize kernels are ground and used for making bread and other food products, infection of the kernels by Fusarium verticillioides and subsequent fumonisin contamination pose a serious safety issue. The influence of environmental factors on this fungal infection and mycotoxin accumulation as the kernel develops has not been fully determined, especially in such food grade maize. The objectives of the present study were to determine which environmental factors may contribute to kernel invasion by F. verticillioides and fumonisin accumulation as kernels develop and dry in naturally infected white maize. Three maize hybrids were planted at two different sowing dates and kernel samples were collected 20, 40, 60, 80 and 100. days after silking. The percentage of kernels infected, and ergosterol and fumonisin contents were recorded for each sampling. F. verticillioides was the most prevalent species identified as the kernels developed. Temperature and moisture conditions during the first 80. days after silking favored natural kernel infection by F. verticillioides rather than by Aspergillus or Penicillium species. Fumonisin was found in kernels as early as 20. days after silking however significant fumonisin accumulation above levels acceptable in the EU did not occur until after physiological maturity of the kernel indicating that kernel drying in the field poses a high risk. Our results suggest that this could be due to increasing kernel damage by insects that favor fungal development, such as the damage by the moth Sitotroga cerealella, and to the occurrence of stress conditions for F. verticillioides growth that could trigger fumonisin biosynthesis, such as exposure to suboptimal temperatures for growth simultaneously with low water activity. © 2013 Elsevier B.V. | - |
dc.description.sponsorship | MICINN | - |
dc.description.sponsorship | Spanish Council of Research | - |
dc.description.sponsorship | Autonomous Government of Galicia | - |
dc.description.sponsorship | European Social Fund | - |
dc.description.sponsorship | This research was supported by the National Plan for Research and Development of Spain (AGL2009-12770). A. Cao acknowledges funding from the JAE Program of the Spanish Council of Research. R. Santiago acknowledges postdoctoral contract “Isidro Parga Pondal” supported by the Autonomous Government of Galicia and the European Social Fund. | - |
dc.publisher | Elsevier | - |
dc.relation.isversionof | Postprint | - |
dc.rights | openAccess | - |
dc.subject | Kernel development. | - |
dc.subject | Fumonisin | - |
dc.subject | Fusarium verticillioides | - |
dc.subject | Zea mays L. | - |
dc.subject | Maize | - |
dc.title | Environmental factors related to fungal infection and fumonisin accumulation during the development and drying of white maize kernels | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.ijfoodmicro.2013.03.012 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1016/j.ijfoodmicro.2013.03.012 | - |
dc.date.updated | 2014-05-28T11:06:46Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
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Environmental_factors_related_to_fungal_infection.pdf | 224,71 kB | Adobe PDF | Visualizar/Abrir | |
Suplementary_information_Environmental_factors.pdf | 78,55 kB | Adobe PDF | Visualizar/Abrir |
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