| [isolation of aspergillus section nigri strains in yerba mate in posadas (misiones, argentina) and evaluation of their ochratoxigenic potential]. | the objectives of the present work were to investigate the isolation frequency of genus aspergillus in canchada yerba mate (ymch) and elaborated yerba mate (yme) (ilex paraguariensis) and the proportion of section nigri isolates, as well as to determine ochratoxin a production by aspergillus species section nigri. three hundred twenty eight aspergillus strains from 20 samples of ymch and 1306 aspergillus strains from 36 samples of yme were isolated; of the total, 279 from the first group of stra ... | 2013 | 23876265 |