Levels of five mycotoxins in corn smut galls were studied in a two-year period.
Fumonisin, aflatoxin and zearalenone were found in field samples.
Four of the mycotoxins determined were detected in edible corn smut galls.
Some fumonisin levels in commercial smut galls are of concern for human health.
Mycotoxins were detected in commercial canned smut galls.