Reply to Comment on “Screening and Identification of Novel Ochratoxin A-Producing Fungi from Grapes”. Toxins 2016, 8, 333”–in Reporting Ochratoxin A Production from Strains of Aspergillus, Penicillium and Talaromyces
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Comments on “Screening and Identification of Novel Ochratoxin A-Producing Fungi from Grapes. Toxins 2016, 8, 333”—In Reporting Ochratoxin A Production from Strains of Aspergillus, Penicillium and Talaromyces
Recently a species in the genus Talaromyces, a uniseriate species of Aspergillus section Nigri and an isolate each of two widespread species, Penicillium rubens and P. commune, were reported to produce ochratoxin A. This claim was based on insufficient biological and chemical data. We propose a list of criteria that need to be met before an unexpected mycotoxin producer is reported. There have ...
متن کاملScreening and Identification of Novel Ochratoxin A-Producing Fungi from Grapes
Ochratoxin A (OTA) contamination has been established as a world-wide problem. In this study, the strains with the ability of OTA production were screened by analyzing the green fluorescence of the isolates colonies from the grapes in Zhenjiang with 365 nm UV light and confirmed by HPLC with fluorescent detection (HPLC-FLD). The results showed that seven isolates acquired the characteristic of ...
متن کاملMycotoxin-producing and other fungi isolated from grapes for wine production, with particular emphasis on ochratoxin A.
Mycotoxins are toxic secondary metabolites produced by filamentous fungi that have been detected in food commodities, including grapes and wine. A survey was conducted to assess mycotoxin-producing fungi in grapes destined for wine production. The mycotoxigenic capacity of the isolates was tested in culture media. Grapes were analyzed by plating methods from 4 Portuguese wine-growing regions at...
متن کاملFungi and ochratoxin A detected in healthy grapes for wine production.
AIMS The mycoflora of healthy grapes (i.e. without visible symptoms of rot) for wine production in Portuguese wine-making regions was assessed and its potential for ochratoxin A (OTA) production evaluated. The OTA content of grapes was also determined. METHODS AND RESULTS A total of 386 fungal strains were isolated by plating methods. The most frequent genera found in grapes were non-ochratox...
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A three-year study was undertaken to investigate the fungal species present on the surface of grape berries from Portuguese vineyards in four winemaking regions. Emphasis was given to Aspergillus and Penicillium species due to their relevance for mycotoxin production. From the 3517 fungal strains detected 27 genera were identified. The region of origin markedly influenced the spoilage fungal po...
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