| enumeration and identification of aspergillus group and penicillium species in poultry feeds from argentina. | a total of 180 samples of poultry feeds were collected during 1996 and 1997 from different factories in the south of the province of córdoba-argentina. they were examined for the occurrence of penicillium spp. and aspergillus group species. likewise, the capacity to produce aflatoxins by the aspergillus section flavi group was determined. the predominant species of aspergillus were a. flavus and a. parasiticus. for penicillium spp., p. brevicompactum, p. purpurogenum and p. oxalicum were identif ... | 1998 | 9850595 |
| surveillance of toxigenic fungi and ochratoxin a in feedstuffs from córdoba province, argentina. | the aim of this work was to evaluate the incidence of potential ochratoxigenic mycoflora and ochratoxin a (oa) in poultry, pig and rabbit feeds. eighty poultry, pig and rabbit feed samples were taken at random from factories located from córdoba province, argentina, over a period of 8 months. isolation and quantitative enumeration of fungal propagules were done on drbc and dg18 media. the predominant species were a. candidus, a. flavus, a. terreus, a. parasiticus, p. implicatum, p. minioluteum, ... | 2005 | 16195938 |
| occurrence of ochratoxin a-producing fungi in commercial corn kernels in argentina. | potentially ochratoxigenic aspergillus and penicillium species were identified and the natural occurrence of ochratoxin a (ota) in corn kernels was evaluated. likewise, the capacity to produce ota by aspergillus section nigri and circumdati was investigated. a total of 50 corn samples for human consumption was collected in the south of córdoba province. the surface-disinfected method for mycobiota determination was used. the ota detection was performed by hplc. ota production was tested in strai ... | 2006 | 16389485 |
| ochratoxin a and aspergillus section nigri in peanut seeds at different months of storage in córdoba, argentina. | peanut is an important food commodity in argentina. last year córdoba province accounted for approximately 96% of the total argentinian production. few surveys of peanuts for the natural occurrence of ochratoxins and ochratoxin-producing fungi have been reported. the objectives of this study were to investigate the occurrence of aspergillus section nigri and ochratoxin a (ota) in storage peanuts during a three-month-period. the capacity to produce ota by aspergillus section nigri was also studie ... | 2007 | 17854935 |