derives from maize (corn) food product vegetable corn food product field corn food product A product made from the North American term for maize (Zea mays) grown for livestock fodder (silage), ethanol, cereal and processed food products. The principal field corn varieties are dent corn, flint corn, flour corn (also known as soft corn) which includes blue corn (Zea mays amylacea), and waxy corn. Damion Dooley dry corn dry corn food product field corn plant requires discussion