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Use of wild yeasts as a biocontrol agent against toxigenic fungi and OTA production Agronomy
Souza, Mariana Lino; Passamani, Fabiana Reinis Franca; Ávila, Carla Luiza da Silva; Batista, Luis Roberto; Schwan, Rosane Freitas; Silva, Cristina Ferreira.
This study evaluated the antagonistic potential of 32 wild yeast isolates from coffee and cocoa bean fermentation. These yeasts were inoculated in co-cultivation with Aspergillus carbonarius (CCDCA 10608 and CCDCA 10408) and Aspergillus ochraceus (CCDCA 10612) isolated from grapes and coffee beans. The mycelial growth and ochratoxin A (OTA) production were evaluated, and the spores were counted after cultivation at 28°C for seven days. The yeasts presented higher inhibitory effects (53% in relation to the control) over the mycelial growth of the isolated A. ochraceus (CCDCA10612). Pichia anomala CCMA0148 and Saccharomyces cerevisiae CCMA0159 provided the greatest inhibition of the growth of all fungal strains. All Pichia species presented the highest...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.02.04-4 antagonistic activity; Ochratoxin A; Aspergillus; Inhibition; Pichia sp.; Saccharomyces sp Fitosanidade Microbiologia Agricola.
Ano: 2017 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32659
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