Corn and soybeans are often harvested at the same season and using shared equipment in the USA; extremely small amounts of allergenic substances may provoke allergic reactions in sensitive people
Taylor, S.L., Hefle, S.L., Bindslev-Jensen, C., Bock, S.A., Burks, S.W., Christie, L., Hill, D.J., Host, A., Hourihane, J.O.B., Lack, G., Metcalfe, D.D., Moneret-Vautrin, D.A., Vadas, P.A., Rance, F., Skrypec, D.J., Trautman, T.A., Malmheden Yman, I., and Zeiger, R.S. 2002. Factors affecting the determination of threshold doses for allergenic foods: how much is too much? Journal of Allergy and Clinical Immunology, 24-30.
- Corn/soybean cross-contamination info on page 25.