Onion is a liliaceous plant that is familiar to people. Many people think that it originates from Western countries. But actually, it was originally planted in China. Ancient Chinese books record that it was planted during the Tang dynasty and later introduced to India, Afghanistan, Greece, and Rome. When it was introduced in Japanese, they called it an onion.
Westerners love onion so much that they consider it the queen of vegetables. The French say that it brings glamor to all dishes. To them, a dish without it tastes bland. The Germans think that they would feel depressed if one day they did not eat onions. More interestingly, an American general once told his army that he couldn’t think without onions. Currently, onion production in America is the largest in the world. Obviously, onion plays an important role in people’s lives.
Onion is not only a delicious vegetable, but also serves as precious medicine. Traditional Chinese medicine indicates that it is useful in preventing diseases such as colds, high blood pressure, and many cardiovascular diseases. It is also capable of detoxifying and preventing infections. Surprisingly, it helps with hair growth. It has so many medical functions because it contains many kinds of nutrition. According to a dietary analysis, onion is rich in protein, crude fiber and sugar. In addition to these substances, vitamins and minerals can be easily found. In addition, there are citric acid, caffeic acid and multiple amino acids. Scientists prove that this vegetable is especially effective when used to heal infected wounds and skin ulcers. Therefore, the Japanese recommend that the elderly eat one onion a day to prevent disease and slow down the aging process.
Except for its functions in medical applications and health care, this vegetable is good for beauty. The vitamin B it contains can resist skin diseases and promote oxygen absorption. Therefore, cell formation is faster than usual and repair capacity is strengthened. As a result, this is good for skin cleansing. It is reported that it can be made into skins. People can wear such a mask and wash it off after five to ten minutes. It is easy to find that the skin would be smoother and fewer freckles and wrinkles would be seen on the face. Washing hair with onion juice is also said to be effective in curing dandruff.
