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Interaction with Penicillium expansum enhances Botrytis cinerea growth in grape...

Interactions between fungi occur when they grow on the same host plant. This is the case of Botrytis cinerea and Penicillium expansum on grape. P. expansum is also responsible for production of the mycotoxin patulin. In this study, the influence of the interaction between both fungi on fungal growth parameters was studied as well as the effect on the accumulation of patulin by P. expansum. For that purpose, spo...

Micotoxinas detectadas en productos alimenticios en Portugal : revisión

Las micotoxinas son metabolitos tóxicos producidos por hongos filamentosos que aparecen de forma natural en productos agroalimentarios en todo el mundo. Las aflatoxinas, ocratoxina A, patulina, fumonisinas, zearalenona, tricotecenos y alcaloides del ergot son actualmente las más relevantes. Estas micotoxinas pueden ser producidas por especies que pertenecen a los géneros Aspergillus spp...

The effect of food processing on the fate of mycotoxins

Diversity of Botrytis cinerea from vineyards in the north west Iberian peninsula

Botrytis cinerea is associated with a fungal gray rot in the concomitant regions of north west Spain and northern Portugal, where it is the most damaging pathogen and results in severe economic losses. Also, the physiological interactions of B. cinerea with Penicillium expansum are responsible for the production of geosmin, a volatile metabolite that transmit undesirable earthy odours to must and thus to wine. ...

Potential of aqueous ozone to control aflatoxigenic fungi in Brazil nuts

The Brazil nut (Bertholethia excelsa) is an important non timber forest product (NTFP) from the Amazonian forest. Despite their nutritious value, Brazil nuts are susceptible to contamination with Aspergillus section Flavi fungi and consequently with aflatoxins. Since aqueous ozone reduces microorganisms population and has oxidant effect on aflatoxins, the effect of ozone on. Both natural and artificially contam...

Microextraction and gas chromatography/mass spectrometry for improved analysis ...

Geosmin is a volatile fungal metabolite with an earthy aroma produced in grape products from rotten grapes. The accumulation of geosmin in grapes is caused by the interaction of Botrytis cinerea and Penicillium expansum. Solid Phase Microextraction (SPME) has great utility for collecting volatile compounds in wine. However, contamination with earthy odours may have occurred previously in the must and novel meth...

Incidence of Botrytis cinerea and Penicillium spp. and other fungi in the regio...

Analysis of volatile fungal metabolites in grape juice naturally contaminated w...

Fungal flora in the wine regions of Vinho Verde (Portugal) and Alvariño (Spain)...