This species originated in Eurasia, so it is also called Eurasian grape. Later, it was brought to America by Columbus, and then it went to most parts of America with the Portuguese and Spanish active communication. The blue grape is called Qingti. However, the name "raisin" became popular in China in recent years after the introduction of American Red Globe grapes. At present, people only refer to grapes such as red soil imported from the United States as "raisins", and Kyoho and Rose Fragrance are also referred to as grapes. Raisin is a kind of fruit and contains a lot of vitamins, including vitamin B 12. B 12 is a special vitamin, which has hematopoietic function and can supplement human blood volume to some extent. Therefore, anemia patients can increase the consumption of raisins.

Relieve hypoglycemia. The sugar in raisins is mainly raisin sugar, which is absorbed quickly by the human body. When hypoglycemia occurs in human body, if you drink raisin juice in time, you can quickly relieve the symptoms.

Anti-cancer: The extract contains a compound called resveratrol, which can prevent normal cells from canceration and inhibit the spread of malignant cells, and has a strong anti-cancer effect. Good quality and other advantages, although expensive, but in the market with its "aristocratic status" and favored. Raisins contain high calories, and half a bowl of raisins is equal to one serving of fruit, but the peel and seeds of raisins contain antioxidant substances, which have a preventive effect on cardiovascular and cerebrovascular diseases.

It is widely planted in Fuzhou, Fujian, Changde, Hunan, Qingdao, Shandong and other regions in China. It has the effects of nourishing qi and blood, promoting fluid production to quench thirst, invigorating spleen to stimulate appetite, and inducing diuresis to reduce swelling. Grape can treat qi and blood weakness, lung deficiency with chronic cough, liver and kidney yin deficiency, palpitation, night sweats, and dysuria. Although it is expensive, it is favored by its "aristocratic status" in the market. Raisins contain high calories, and half a bowl of raisins is equal to one serving of fruit, but the peel and seeds of raisins contain antioxidant substances, which have a preventive effect on cardiovascular and cerebrovascular diseases. It can combine with protein in virus or bacteria, making it lose the ability to infect diseases, especially hepatitis virus and poliovirus.