Wheat

WheatWheat — Wheat (Triticum spp.) is a domesticated grass from the Levant that is cultivated worldwide. Globally, wheat is an important human food, its production being second only to maize among the cereal crops; rice ranks third. Wheat grain is a staple food used to make flour for leavened, flat and steamed breads; cookies, cakes, pasta, noodles and couscous; and for fermentation to make beer, alcohol, vodka or biofuel. Wheat is planted to a limited extent as a forage crop for livestock, and the straw can be used as fodder for livestock or as a construction material for roofing thatch.

Although wheat supplies much of the world’s dietary protein, as many as one in every 100 to 200 persons in the United States has Coeliac disease, a condition which results from an inappropriate immune system response to a protein found in wheat: gluten. The manifestations of celiac disease range from no symptoms to malabsorption of nutrients with involvement of multiple organ systems.

Raw wheat berries can be powdered into flour, germinated and dried creating malt, crushed and de-branned into cracked wheat, parboiled (or steamed), dried, crushed and de-branned into bulgur, or processed into semolina, pasta, or roux. They are a major ingredient in such foods as bread, breakfast cereals (e.g. Wheatena, Cream of Wheat, Shredded Wheat), porridge, crackers, biscuits, pancakes, cakes, gravy and boza (a fermented beverage).

100 grams of hard red winter wheat contain about 12.6 grams of protein, 1.5 grams of total fat, 71 grams of carbohydrate (by difference), 12.2 grams of dietary fiber, and 3.2 mg of iron (17% of the daily requirement); the same weight of hard red spring wheat contains about 15.4 grams of protein, 1.9 grams of total fat, 68 grams of carbohydrate (by difference), 12.2 grams of dietary fiber, and 3.6 mg of iron (20% of the daily requirement).

Gluten, a protein found in wheat (and other Triticeae), cannot be tolerated by people with celiac disease (an autoimmune disorder in ~1% of Indo-European populations).

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