Grapes, also known as grass dragon balls. It is a woody vine of the genus Viticulaceae. One of the oldest fruit tree species in the world, plant fossils of grapes were found in tertiary strata, indicating that they were found throughout Europe, Asia and Greenland at that time. Native to western Asia, the grapes are cultivated all over the world, with about 95% concentrated in the Northern Hemisphere. Grapes are famous fruits, eaten raw or made of raisins, and can be made into wine.
Grapes are not only delicious, but also have a high nutritional value. The grapes in mature berries contain up to 10%-30% sugar, mainly glucose. A variety of fruit acids in grapes help digestion, and eating more grapes can strengthen the spleen and stomach. Grapes contain minerals calcium, potassium, phosphorus, iron and a variety of vitamins, such as vitamin B1, vitamin B2, vitamin B6, vitamin B12, vitamin C and vitamin P, etc., but also contain a variety of amino acids, carotene, crude fiber and other nutrients required by the human body.
When selecting grapes, pay attention to the appearance, smell, firmness, size and color of the stem. Avoid grapes with rotten surfaces, low firmness density, and brown stalks. Of course, there are differences in the selection methods of different varieties of grapes. Eat about 100 grams of grapes per day, and should not eat more.