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Flax

life science Maturity 7-9 Next article →

Flax is a versatile flowering plant known scientifically as *Linum usitatissimum*.

Flax Plants
Flax Plants

It belongs to the Linaceae family and is highly valued as both a food and a fiber crop. The plant is grown in temperate climates around the world. People use its fibers to create linen textiles. They also use its seeds to produce linseed oil. This plant is so useful that its species name, *usitatissimum*, literally means "most useful."

Mulgi valla vapp
Mulgi valla vapp

To produce high-quality fiber, the harvesting process must be very precise. For fiber production, flax is typically harvested after about 100 days. This is usually one month after the flowers bloom. Farmers look for specific signs, such as the plant bases turning yellow. If the plant is still green, the fiber will not be fully developed. For seed production, farmers wait until the round capsules turn yellow and begin to split. They may use a combine harvester to cut the heads or the entire plant.

Emile Claus001
Emile Claus001

Extracting the fibers requires a sequence of careful steps. To maintain maximum fiber length, the plant is often pulled up by the roots rather than cut. This can be done manually or with a specialized flax harvester. This machine uses rubber belts to grip the plant about 20 to 25 cm above the ground. After pulling, the plants undergo retting. During retting, enzymatic action from dew or microbial digestion from water breaks down the pectins. These pectins are the substances that bind the fibers to the straw. Once retted, the straw is cleaned and dried. The next step is threshing, which removes the seeds. Finally, the fibers are separated from the broken straw using a tool called a hackle.

Hatchel of the Bugg Family
Hatchel of the Bugg Family

Flax has a long history of human use dating back tens of thousands of years. The oldest evidence of humans using wild flax for textiles is 30,000 years old. These spun and dyed fibers were found in Dzudzuana Cave in the Republic of Georgia. Later, humans domesticated flax in the Fertile Crescent. In ancient Egypt, flax was essential for both daily life and religious rituals. Priests wore linen because it symbolized purity. Linen was even used to embalm mummies.

During the Middle Ages, Flanders became a major center for the European linen industry.

Today, flax remains a significant global crop with specific production leaders. In 2022, the total world production of raw or retted flax was 875,995 tonnes. France is the dominant producer, accounting for 75% of this total. A large portion of that production comes from the Normandy region. While flax was once a primary source for paper, it lost some commercial ground to cotton. However, it remains important for specialized uses. In the early 20th century, production became highly concentrated in northern Russia.

The Women's Land Army in Britain, 1915-1918 Q30890
The Women's Land Army in Britain, 1915-1918 Q30890

The seeds of the flax plant provide many nutritional benefits. They come in brown and golden varieties.

Brown Flax Seeds
Brown Flax Seeds
Brown Flax Seeds
Brown Flax Seeds

Both types are very high in omega-3 fatty acids, specifically alpha-linolenic acid (ALA). A 100-gram portion of ground flax seed meal provides 41g of fat, 28g of fiber, and 20g of protein. The seeds are also rich in thiamine, magnesium, and phosphorus. Because ground flax meal can go rancid quickly when exposed to air, it is best stored in sealed containers in a refrigerator.

Ground Golden Flax Seeds (8594315026)
Ground Golden Flax Seeds (8594315026)

Flax connects many different industries through its various products. The fibers are two to three times stronger than cotton fibers and are naturally smooth. This makes linen a preferred material for bed sheets, underclothes, and table linens. The seeds are pressed to create linseed oil. This oil is used as a nutritional supplement and as a drying oil in paints and varnishes. It is also an ingredient in linoleum and printing inks. Even in the food industry, flax is common. You might find it used as a topping on bread rolls in bakeries.

Linseed rolls crude
Linseed rolls crude
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🖼️ Images & Media (14)
File:The Women's Land Army in Britain, 1915-1918 Q30890.jpg
The Women's Land Army in Britain,...
File:Emile Claus001.jpg
Emile Claus001.jpg
File:Hatchel of the Bugg Family.jpg
Hatchel of the Bugg Family.jpg
File:58-aspetti di vita quotidiana,abbigliamento lino,Taccuino Sa.jpg
58-aspetti di vita...
File:Brown Flax Seeds.jpg
Brown Flax Seeds.jpg
File:Flax seeds.jpg
Flax seeds.jpg
File:Ground Golden Flax Seeds (8594315026).jpg
Ground Golden Flax Seeds (8594315026).jpg
File:Linseed rolls crude.JPG
Linseed rolls crude.JPG
File:Heckling Shop Irvine.JPG
Heckling Shop Irvine.JPG
File:Flax field.JPG
Flax field.JPG
File:Labeledstemforposter copy.jpg
Labeledstemforposter copy.jpg
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