Corn is a decent source of vitamin B1, B5, C, E, folic acid, magnesium and phosphorus. It is considered to be low in protein, due to the minimal content of the amino acids lysine and tryptophan. On the contrary, it is a good source of complex carbohydrate, fiber, and healthful essential fatty acids.
The various flavonoids and carotenes contained in corn, are responsible for the different colors of its different varieties.
The colors valued by Native Americans include, pink, black, red, and blue. There were also some that had stripes and spots. Yellow corn is high in the carotenoid, lutein. The lutein in yellow corn and yellow corn food products can protect against heart disease and macular degeneration. Macular degeneration is a condition of the eye which is typically seen in older age.