Welsh onion, or Japanese bunching onion (Allium fistulosum) is a perennial plant belonging to the family Alliaceae. This onion is very similar in its appearance to the related common onion, Allium cepa, Moreover, welsh onion has all advantageous properties of common onion.
Stems of welsh onion have a lot of vitamins and useful matters. In green leaves of welsh onion, there are ascorbic and nicotinic acids, carotene, riboflavin, thiamine, magnesium, potassium and iron salts, and essential oils giving the plant special taste and aroma. Welsh onion contains double amount of vitamin C as compared to common onion. Carotene contained in welsh onion improves skin health and condition of mucosae. Moreover, welsh onion is an excellent disinfectant. That onion is used for the preparation of drugs helping to lower blood pressure and heighten the elasticity of capillaries. It is recommended to take welsh onion as a remedy for immune system reinforcement and preventing spring avitaminosis or avitaminosis caused by a disease.