Raw onions have strong bactericidal power, so they can destroy bacteria that invade the body. In addition, it can provide absorption of vitamin B 1, promote carbohydrate metabolism to generate energy and eliminate fatigue. Another function of green onions that cannot be ignored is to enhance immunity. Lead selenide contained in green onions has antioxidant effect, so it is regarded as anti-cancer food. Men who take more can improve their physique and keep fit.
Allium belongs to Liliaceae and is a perennial herb. Also known as "Cai Bo" and "He Cao Shi". Pseudostems and young leaves mainly composed of leaf sheaths are used for eating. Originated in western China and Siberia, Soviet Union, it was domesticated and propagated by wild species in China, and then spread to Europe through Korea and Japan. China's records about onions first appeared in Er Ya and Shan Hai Jing, and were later recorded in detail in the Book of Rites, Qi Yaomin's Book, Qing Louis and other ancient books. Onions are mainly divided into: green onions, chopped green onions, chives, shallots, shallots, leeks and so on.