Using immuno-affinity column chromatography coupled
with fluorometric detection, they found that aflatoxin levels ranged
from 7.9 to 799.8 mg/kg aflatoxin, and 16 out of 18 samples had
more than 20 mg/kg, the US Food and Drug Administration (FDA)
regulatory limit. Aflatoxin contamination in Haitian maize, a staple
crop, has been described in one peer-reviewed study