In the ancient western legend, the grape fruit was brought to the world by the benevolent god Osiris. The word "Vin" in wine is actually another way of saying "God" in people's minds. Grape is a deciduous vine, and the fruit of Vitis Vinifera LINN is one of the oldest plants on the earth and one of the earliest fruit trees cultivated by human beings. About 6.5438 million years ago, grapevines grew naturally along the Mediterranean coast, and the sunny Provence region in southern France was the origin of grapes, from which they spread to the east and west. In the New World of America, grapes were introduced by the earliest colonists and then spread to the eastern States of the United States. Later, Alexander's Crusade brought Greek civilization into Central Asia. Since then, grape cultivation, wine brewing and worship of Dionysus have been widely spread among the Sogdians. In China, grapes were introduced from Persia in the Han Dynasty 138 BC when Zhang Qian went to the Western Regions. Later, the Green Messenger was taken to the barren Gobi through the Silk Road. Nowadays, in fruit production all over the world, the yield and cultivation area of grapes have always been in the first place, and they have become the real "god of fruit" in people's minds.

There are thousands of kinds of grapes produced in the world, which can be divided into two categories: wine grapes and edible grapes. Wine grapes can be divided into three categories: white wine, red wine and hue and fragrance. These grapes are mainly produced in southern France, eastern Italy, California and South America. There are many varieties of edible grapes, such as Kyoho, Longan and Rose Fragrance, which are common in the market, all of which are of high quality and low price, while Xinjiang Mahai Grape, Hebei White Milk Grape, Shandong Longan Grape and Sichuan Green Grape, which are well-known at home and abroad, are all good grapes with sweet taste and rich nutrition. Generally speaking, the more sunshine in the growing area of edible grapes, the drier the climate, the greater the temperature difference between morning and evening, the fuller the fruit, the richer the taste and the higher the nutritional value. Grapes and raisins are essentially grapes. "Tizi" is another name for grapes in Hong Kong and other places.

Nutritional value of grapes

Grape contains calcium, potassium, phosphorus, iron, glucose, fructose, protein, tartaric acid, vitamin B 1, B2, B6, C, P and other minerals. It also contains a variety of amino acids needed by the human body. Eating grapes regularly is of great benefit to neurasthenia and fatigue. In addition, it also contains a variety of substances with physiological functions.

Edible effect of grapes

1. Relieve hypoglycemia

The sugar in grapes is mainly glucose, which can be absorbed quickly by the human body. When hypoglycemia occurs in the human body, if you drink grape juice in time, you can quickly relieve the symptoms.

2. Prevention of thrombosis

French scientists have found that grapes can prevent thrombosis better than aspirin, and can lower the level of human serum cholesterol and reduce the cohesion of platelets, which has a certain effect on preventing cardiovascular and cerebrovascular diseases.

3. Anti-aging

Grape seed can be said to be a real antioxidant superstar. Anti-oxidation is an aging method. Therefore, grape seed can resist aging, remove free radicals in the body and keep you young forever.

Step 4 help with recovery

Grape contains an anticancer trace element (resveratrol), which can prevent healthy cells from becoming cancerous and prevent cancer cells from spreading. Grape juice can help organ transplant patients reduce rejection and promote early recovery.

Step 5 help digestion

Help digestion, eat more grapes properly and strengthen the spleen and stomach.

Relieve fatigue

It is of great benefit to neurasthenia and fatigue.

Tips for purchasing grapes

Taste grapes: if the bottom of a bunch of grapes is sweet, then the whole bunch of grapes is sweet;

Look at the size: the grapes are relatively mature, and the fresh surface has a layer of white powder;

Look at the color: darker colors are better, such as rose is dark purple, longan is amber and purple, Kyoho is dark purple, and milk is yellow and white.

Touch by hand: elastic maturity is moderate, too hard and immature, too soft and not fresh enough;

Smell: Grapes with light fragrance and sweetness are sweeter.

Grapes. Jpg Grapes with dark skin and hard hand feel may be ripe, not sweet and have a bad taste; Grapes that are too soft may have gone bad. Don't buy them. Naturally ripe grapes are not particularly uniform in color, but all are purple, which may be sprayed with ripening agent. You'd better taste it first.

Storage skills of grapes

Grapes have a short shelf life, so it is best to eat them as soon as possible after purchase. The rest can be sealed in plastic bags and put in the refrigerator, which can be kept for 4~5 days.

Cooking skills of grapes

Besides being eaten raw, grapes can also be dried, brewed, squeezed, canned and jam.

Grape stems should be cut off with scissors. If you tear it off, pesticides and dirty things can be easily soaked in grapes, and it is not easy to keep it after you tear it off and wash it.

Grape taboo

1. Diabetic patients and constipation patients should not eat more; People with spleen and stomach deficiency and cold should not eat more, which will make people diarrhea.

2. It is not advisable to drink water immediately after eating grapes, which will cause bloating.

Suggestions on eating grapes

Cut off the stems of the grapes, put them in a pot, add a proper amount of flour, stir them by hand for a few times, then pour out the turbid flour water and rinse it with clear water. Besides being eaten raw, grapes can also be dried, brewed, squeezed, canned and jam. Grape stems should be cut off with scissors. If you tear it off, pesticides and dirty things can be easily soaked in grapes, and it is not easy to keep it after you tear it off and wash it. Constipation: Grapes can improve the health of rectum, because raisins contain fiber and tartaric acid, which can make excrement pass through rectum quickly and eliminate constipation.