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mycotoxicological quality evaluation of corn samples used by processing industries in the northern region of paraná state, brazil.based on fungal and fumonisin contamination of 870 freshly harvested samples, the quality of corn used by processing industries in the northern region of parana state, brazil (2003 and 2004 crop-year) was evaluated. sampling was carried out for each crop at two points in the production chain, i.e. at reception by the processors and at the pre-drying step. corn samples were more frequently contaminated with fusarium sp. (100%) and penicillium sp. (84.1-95.3%) than aspergillus sp. (5.6-19.8%). fum ...200819680847
effect of the time interval from harvesting to the pre-drying step on natural fumonisin contamination in freshly harvested corn from the state of parana, brazil.natural mycoflora and fumonisins were analysed in 490 samples of freshly harvested corn (zea mays l.) (2003 and 2004 crops) collected at three points in the producing chain from the northern region of parana state, brazil, and correlated to the time interval between the harvesting and the pre-drying step. the two crops showed a similar profile concerning the fungal frequency, and fusarium sp. was the prevalent genera (100%) for the sampling sites from both crops. fumonisins were detected in all ...200818473218
effect of climatic conditions on natural mycoflora and fumonisins in freshly harvested corn of the state of paraná, brazil.natural mycoflora associated with fumonisins were analyzed in 150 samples of freshly harvested corn from central-southern, central-western and northern regions of the state of paraná, brazil and correlated to climatic conditions. the corn samples were frequently contaminated with fusarium sp. (98.7 to 100%) and penicillium sp. (93 to 100%), when compared to aspergillus sp. (not detected to 27.7%). the highest contamination with potentially mycotoxigenic fungi occurred in corn harvested in the ce ...199911040864
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