FUMONISIN B3

Fumonisin B₃ (FB₃) is a mycotoxin that has been found in Fusarium. It is cytotoxic to primary rat hepatocytes when used at concentrations of 125, 250, and 500 μM. Dietary administration of FB₃ (0.05%) for 14 or 21 days induces hepatocyte nodules, a marker of cancer initiation, in rats. FB3 has been detected in corn and corn-based foods and livestock feeds.

Fumonisin B3 is a mycotoxin present in corn. Fungal metabolite believed to cause leukoencephalomalacia in horses.

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