Wheat is a cereal grain that people can eat. Now it is cultivated worldwide. World trade in wheat is greater than for all other crops combined. Globally, wheat is the leading source of protein in human food. It has higher protein content than other major cereals such as maize (corn) or rice. In terms of total production, it is second to rice as the main human food crop and ahead of maize (maize is used more for animal feeds). It was one of the first crops that could be easily cultivated on a large scale, and its seeds could be stored for long periods in a dry climate.
Wheat grain is a staple food used to make flour for leavened, flat and steamed breads, biscuits, cookies, cakes, breakfast cereal, pasta, noodles, couscous It can also be fermented to make beer, alcohol, vodka, or biofuel.