While it might sound surprising to some people who are used to thinking about corn as a plain, staple food, or a snack food, or a summertime party food, corn is actually a unique phytonutrient rich food that provides us with well documented antioxidant benefits. In terms of conventional antioxidant nutrients, corn is a good source of the mineral manganese. But it is corns phytonutrients that have taken center stage in the antioxidant research on corn.or