Corn is usually considered a vegetable but it is actually a grain rich in fiber vitamins minerals and antioxidants. Although the yellow color corn/maize is very common around the world did you know that corn varieties come in many other colors too such as red orange purple blue white and even black. Corn or maize is a grain plant which originated in southern Mexico. The kernels of the seeds of corn hold the majority of nutrients and are the most consumed parts. If you love munching these little golden kernels then here are more reasons to add them to your diet. Corn may be high in sugar (sucrose) but there are several other properties of this grain that must not be overlooked.