Grain
Triticum durum
C tier
Triticum durum is tetraploid durum wheat, a hard amber-kernel species with high protein and strong but less extensible gluten than bread wheat, optimised for semolina and pasta rather than high-volume pan loaves. Free-threshing and spring- or winter-sown depending on region, it thrives in Mediterranean and semi-arid climates from Italy and North Africa to the North American plains. Culinary identity is pasta, couscous, bulgur, and frekeh-style products: coarse semolina for extruded and rolled pasta, finer flour for some breads (pane di Altamura, North African flatbreads), and whole berries for salads and soups. Cracked, rolled, soaked, and fermented uses sit alongside classic dry pasta and couscous cookery.
Also known as: Southern Italian durum, Canadian durum, Durum for couscous and flatbreads, Anatolian durum
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Characteristics
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Grading systems
Grades are placed along a shared scale so systems can be compared side by side.
History
Durum evolved from domesticated emmer lineages in the Near East as a hard free-threshing tetraploid wheat.
Mediterranean cultures milled hard wheat into porridges and early pasta-like foods ancestral to modern durum use.
Scientific taxonomy recognised Triticum durum as the distinct hard wheat species of pasta and semolina.
Industrial pasta manufacture in southern Italy locked durum semolina into the global pasta standard.
North American durum production expanded on the northern plains for export semolina markets.
Quality breeding refined gluten strength, yellow pigment, and disease resistance in Triticum durum.