Lein

Flax (Linum), also called flax, is a large plant genus within the flax family (Linaceae) with 200 species, which occurs in temperate and subtropical regions. The "flax genus" is the largest in the flax family, where it is classified in the subfamily Linoideae.

Flax plants are annual, biennial, or perennial herbaceous shrubs with sessile stem leaves.
Flax plants sprout variously colored yellow, blue, red, or white flowers. The capsule fruits contain several black or brown seeds.
The common flax (Linum usitatissimum L.), is also called flax or cultivated flax. Linum usitatissimum is the medicinal plant used medicinally.
Linseed oil: s. Lini oleum virginale

Linseed oil acid: s. Linoleic acid
Linseed: Lini semen or Semen Lini finds medicinal use as dried fruits and officinal use (Ph.Eur.8, Commission 8).

Furthermore, linseed is applied in the cosmetic industry under the INCI name "Linseed ". It acts in cosmetic formulations as an emollient, skin care agent and solvent. Linseed oil is also processed in the industry in lacquers, varnishes and linoleum.

1. Alvarez-Perea A et al (2013) Anaphylaxis caused by flaxseed. J Investig Allergol Clin Immunol 23:446-447.
2. de Souza Franco E et al. (2012) Effect of a Semisolid Formulation of Linum usitatissimum L. (Linseed) Oil on the Repair of Skin Wounds. Evid Based Complement Alternat Med 2012:270752.
3. De Spirt S et al. (2009) Intervention with flaxseed and borage oil supplements modulates skin condition in women. Br J Nutr 101:440-445.
4. Fremont S et al (2010) Prospective study of sensitization and food allergy to flaxseed in 1317 subjects. Eur Ann Allergy Clin Immunol 42:103-111.
5. Styrczewska M et al.(2015) Flax Fiber Hydrophobic Extract Inhibits Human Skin Cells Inflammation and Causes Remodeling of Extracellular Matrix and Wound Closure Activation. Biomed Res Int 2015:862391.
6. Tülüce Y et al (2012) Photoprotective effect of flax seed oil (Linum usitatissimum L.) against ultraviolet C-induced apoptosis and oxidative stress in rats. Toxicol Ind Health 28:99-107.
7. https://arzneipflanzenlexikon.info/lein.php.
8. https://plants.fnr.de/industrialplants/medicinalplants/plants-database.