Longan is called longan in ancient times, also known as longan, round eye, Fuyuan, Yizhi, etc., and belongs to the genus Longan of Sapindaceae. Fresh longan pulp is milky white, translucent, sweet as honey, and after drying, the pulp turns dark brown and pliable. It is called longan meat, which is edible and medicinal. Containing nutrients such as sugar, protein and various vitamins, it is one of the delicious fruits that people like. Longan is very rich in nutrients. Every 100 grams of fresh longan contains 1.2 grams of protein, 0.1 grams of fat, 16.2 grams of carbohydrates, 13 mg of calcium, 26 mg of phosphorus, 0.4 mg of iron, 0.04 mg of thiamine, and 0.03 mg of riboflavin , niacin 1.0 mg, ascorbic acid 60 mg. Carbohydrates mainly exist in the form of glucose and sucrose, so they taste sweet. In addition, it also contains substances such as adenine, choline, and tartaric acid. Because it contains a lot of trace elements beneficial to human health. Great for everyday consumption.