Impact of storage systems on fumonisin B1 contamination in maize processed for animal feed
DOI:
https://doi.org/10.5327/fst.570Palavras-chave:
maize storage, fumonisin B1, Food safetyResumo
Maize is a globally important crop, but its quality can be compromised by fungal contamination and fumonisin production. This study quantified fumonisin B1 concentrations in maize stored in metal silos and bag silos during processing for animal feed. Samples were collected at three stages—whole grain, ground grain, and finished feed—and analyzed using enzyme-linked immunosorbent assay. Storage systems significantly affected fumonisin B1 levels (p < .01), with maize from bag silos exhibiting concentrations approximately six-fold higher (2187.5 ppb) than those from metal silos (376.7 ppb). Processing stages did not significantly affect contamination levels. Although all concentrations were below the Brazilian regulatory limits, concentrations in bag silos exceeded European limits, indicating potential risks to animal health and trade. These findings highlight the need to improve storage infrastructure and preventive measures to ensure feed quality and minimize economic losses.
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