Longan was called longan in ancient times, also known as longan, round eye, Fuyuan, Yizhi and so on. It belongs to longan of Sapindaceae. Fresh longan meat is milky white, translucent and sweet as honey. After drying, the pulp becomes dark brown and elastic, called longan pulp, which is edible and medicinal. It contains nutrients such as sugar, protein and multivitamins, and is one of the delicious fruits that people like. Longan is rich in nutrition. Every100g of fresh longan contains protein1.2g, fat 0.1.2g, carbohydrate 0/.6g, calcium 0/.3mg, phosphorus 26mg, iron 0.4mg and thiamine 0.04mg. The contents of protein, carbohydrates and minerals in dried products increased obviously, but the content of ascorbic acid decreased due to processing. Carbohydrate mainly exists in the form of glucose and sucrose, so it tastes sweet. In addition, it also contains substances such as adenine, choline and tartaric acid.

Longan has been a good medicine for a long time because it contains a lot of trace elements beneficial to human health. Its main function is to soothe the nerves and treat insomnia, forgetfulness and fright. The ancients admired the nutritional value of longan, and many cursive scripts introduced the nourishing and health-care functions of this product. As early as the Han Dynasty, longan was used as medicine. Bielu of Famous Doctors called it "puzzle" and said its function was to nourish the heart and puzzle. Has the effects of nourishing body, tranquilizing mind, nourishing blood, strengthening yang, invigorating spleen, stimulating appetite, moistening skin and caring skin. Longan has a high sugar content and contains glucose that can be directly absorbed by the human body. Weakness, anemia, old age and infirmity, long illness, eating longan often is very beneficial. An important nourishing food for women after delivery.

Longan is also longan, which is warm and tonic. How easy it is to get angry after eating!

Those with excessive deficiency fire should eat less.