Classification of
wheat
Wheat is a group of wild and crop domestication, domesticated Poaceae, grasses of the genus ''Triticum'' (). They are Agriculture, cultivated for their cereal grains, which are staple foods around the world. Well-known Taxonomy of wheat, whe ...
greatly varies by the producing country.
Argentina
Originally, the wheat classes in
Argentina
Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...
were related to the production region or port of shipment: ''Rosafe'' (grown in
Santa Fe province
The Invincible Province of Santa Fe (, , lit. "Holy Faith") is a Provinces of Argentina, province of Argentina, located in the center-east of the country. Neighboring provinces are from the north clockwise Chaco Province, Chaco (divided by the 2 ...
, shipped through
Rosario
Rosario () is the largest city in the central provinces of Argentina, Argentine province of Santa Fe Province, Santa Fe. The city, located northwest of Buenos Aires on the west bank of the Paraná River, is the third-most populous city in the ...
), ''Bahia Blanca'' (grown in
Buenos Aires
Buenos Aires, controlled by the government of the Autonomous City of Buenos Aires, is the Capital city, capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− glob ...
and
La Pampa provinces and shipped through
Bahia Blanca), ''Buenos Aires'' (shipped through the
port of Buenos Aires
The Port of Buenos Aires () is the principal maritime port in Argentina. Operated by the ''Administración General de Puertos'' (General Ports Administration), a state enterprise, it is the leading transshipment point for the foreign trade of Arge ...
). While mostly similar to the US Hard Red Spring wheat, the classification caused inconsistencies, so Argentina had introduced three new classes of wheat, with all names using a prefix ''Trigo Dura Argentina'' (TDA) and a number:
Australia
The grain classification in
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
is within the purview of the
National Pool Classification Panel. Australia had chosen to measure the protein content at 11%
moisture basis Dry basis (also d.b., dry matter basis, DM) is an expression of a calculation in chemistry, chemical engineering and related subjects, in which the presence of water (H2O) (and/or other solvents) is neglected for the purposes of the calculation. Wat ...
(m.b.). The measured (meas.) and average (avg.) values below are based on the results of testing over the 2002-2005 period.
Canada
The decisions on the wheat classification in
Canada
Canada is a country in North America. Its Provinces and territories of Canada, ten provinces and three territories extend from the Atlantic Ocean to the Pacific Ocean and northward into the Arctic Ocean, making it the world's List of coun ...
are coordinated by the
Variety Registration Office of the
Canadian Food Inspection Agency
The Canadian Food Inspection Agency (CFIA; ) is a regulatory agency that is dedicated to the safeguarding of food, plants, and animals (FPA) in Canada, thus enhancing the health and well-being of Canada's people, environment and economy. The age ...
. Like in the US system, the eight classes in
Western Canada
Western Canada, also referred to as the Western provinces, Canadian West, or Western provinces of Canada, and commonly known within Canada as the West, is a list of regions of Canada, Canadian region that includes the four western provinces and t ...
and six classes in
Eastern Canada
Eastern Canada (, also the Eastern provinces, Canadian East or the East) is generally considered to be the region of Canada south of Hudson Bay/ Hudson Strait and east of Manitoba, consisting of the following provinces (from east to west): Newf ...
are based on colour, season, and hardness.
The measured (meas.) and average (avg.) values below are mostly based on the results of testing over the 1996-2005 period (* marks 2001-2005 results). Canada has a unique requirement that the varieties of wheat grains should allow for purely visual identification.
France
The classification of wheat grains in
France
France, officially the French Republic, is a country located primarily in Western Europe. Overseas France, Its overseas regions and territories include French Guiana in South America, Saint Pierre and Miquelon in the Atlantic Ocean#North Atlan ...
is controlled by the (GEVES) and the ''Institut Technique des Céréales et des Fourrages'' (ITCF, now part of ), with the involvement of ''Céréaliers de France'' group. Most French wheat is of red winter type.
USA
The wheat grain classes used in the
United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
are named by colour, season, and hardness:
*
Durum
Durum wheat (), also called pasta wheat or macaroni wheat (''Triticum durum'' or ''Triticum turgidum'' subsp. ''durum''), is a tetraploid species of wheat. It is the second most cultivated species of wheat after common wheat, although it repres ...
– Hard, translucent, light-coloured grain used to make
semolina
Semolina is the name given to roughly milled durum wheat mainly used in making pasta and sweet puddings. The term ''semolina'' is also used to designate coarse millings of other varieties of wheat, and sometimes other grains (such as rice or ma ...
flour for pasta and
bulghur; high in protein, specifically, gluten protein.
* ''Hard Red Spring'' – Hard, brownish, high-
protein
Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...
wheat used for bread and hard baked goods. Bread flour and high-gluten flours are commonly made from hard red spring wheat. It is primarily traded on the
Minneapolis Grain Exchange
The Minneapolis Grain Exchange (MGEX) is a commodities and futures exchange of grain products. It was formed in 1881 in Minneapolis, Minnesota, United States as a regional cash commodity market, marketplace to promote fair trade and to prevent t ...
.
* ''Hard Red Winter'' – Hard, brownish, mellow high-protein wheat used for bread, hard baked goods and as an adjunct to increase protein in pastry flour for pie crusts. Some brands of unbleached all-purpose flours are made from hard red winter wheat alone. It is primarily traded on the
Kansas City Board of Trade. Many varieties grown from Kansas south descend from a variety known as "Turkey red", which was brought to Kansas by
Mennonite
Mennonites are a group of Anabaptism, Anabaptist Christianity, Christian communities tracing their roots to the epoch of the Radical Reformation. The name ''Mennonites'' is derived from the cleric Menno Simons (1496–1561) of Friesland, part of ...
immigrants from Russia.
Marquis wheat was developed to prosper in the shorter growing season in Canada, and is grown as far south as southern Nebraska.
* ''Soft Red Winter'' – Soft, low-protein wheat used for cakes, pie crusts, biscuits, and
muffins. Cake flour, pastry flour, and some
self-rising flours with
baking powder
Baking powder is a dry chemical leavening agent, a mixture of a carbonate or bicarbonate and a weak acid. The base and acid are prevented from reacting prematurely by the inclusion of a buffer such as cornstarch. Baking powder is used to increas ...
and salt added, for example, are made from soft red winter wheat. It is primarily traded on the
Chicago Board of Trade
The Chicago Board of Trade (CBOT), is an American futures exchange, futures and options exchange that was founded in 1848. On July 12, 2007, the CBOT merged with the Chicago Mercantile Exchange (CME) to form CME Group. CBOT and three other excha ...
.
* ''Hard White'' – Hard, light-coloured, opaque, chalky, medium-protein wheat planted in dry, temperate areas. Used for bread and brewing.
* ''Soft White'' – Soft, light-coloured, very low protein wheat grown in temperate moist areas. Used for pie crusts and pastry.
See also
*
Grain quality
References
Sources
* {{cite book , last=Khan , first=K. , chapter=Wheat Classes − Producing Nations , chapter-url=https://books.google.com/books?id=Cc1XDAAAQBAJ&pg=PA109 , title=Wheat: Chemistry and Technology , publisher=Elsevier Science , series=American Association of Cereal Chemists International , year=2016 , isbn=978-0-12-810454-5
Wheat production