Wheat belongs to the Poaceae family of grasses and is believed to have originated in the Euphrates River valley in the Middle East at least 9,000 years ago. It is now found on all continents.
There are now over 30,000 varieties of wheat that developed from cross breeding of six basic types of the plant.
Wheat was originally eaten raw by chewing it and was later ground into flour for baking. today, it is a staple food in most countries around the world.
Wheat usually grows from 2 to 4 ft ( 0.6 to 1.2 M ) high, depending on the variety. The head of each plant contains about 50 kernels which can be red, blue, purple, brown or white, again depending on the variety.
Combine machines remove the kernels from the stems when the plant has fully grown and dried.
One kg of wheat can contain 37,000 kernels.
Wheat is a rich source of proteins, sugars ( in the form of starch ), the B group of vitamins and minerals such as iron, manganese, magnesium and zinc.