Grains, or cereal grains, are the edible seeds of grasses. Examples include wheat,
oats, rye, corn, rice, barley, Kamut, spelt, millet, teff, and triticale. Although they’re also commonly referred to as grains and used in similar ways, the
pseudograins, or pseudocereals, such as amaranth, quinoa, and buckwheat, are
the seeds of nongrass plants; wild rice, which is the seed or fruit of an aquatic grain, is also classified as a pseudograin. Grains and pseudograins are key
sources of both calories and protein for the majority of humans, as well as
significant sources of fiber, B vitamins, several trace minerals, plant sterols, and