Grapes and grapes are not the same fruit.
1, the definition of the beginning
In the "Han Dian" of the Chinese dictionary, the definition of grapes as "perennial deciduous vine. The leaves are palmately divided, with small yellow-green flowers. Its fruit is also called grapes, in bunches, sweet and sour taste and juicy, can be eaten raw, dried, winemaking".
And in general, the raisin is also known as "American grapes", "American raisin", is a category of varieties of grapes, to the fruit crisp and large, sweet and sour taste, very resistant to storage and transportation, good quality and so on, known as the "king of grapes". King of grapes".
2, from the botanical point of view
Grapes and raisins belong to the grape family and the grape genus, raisin is a species (belonging to the genus) under the Eurasian species of grapes, belonging to the range of varieties of grapes. So, in short, raisin is a category of grapes and it comes in many varieties, such as red globe (alias red raisin), autumn black (alias American black raisin), coreless white (alias American green raisin), and so on.
It is worth mentioning that raisins were first introduced to the mainland through Hong Kong, where the name "raisin" originated. Initially, the Eurasian species of grapes was called "Bodhi seed", Cantonese called "raisin", and then people have agreed to call it "raisin". Now, in most parts of China, the term "tizi" refers to imported varieties of grapes.
Expanded
Grapes, raisins, the main nutritional value
1, the nutrients of grapes grapes are not only tasty and delicious, but also very high nutritional value. Mature berries in the grape sugar content of up to 10% -30%, mainly glucose. Grapes in a variety of fruit acids help digestion, appropriate to eat more grapes, can be healthy out of the mouth and stomach.
Grapes contain minerals calcium, potassium, phosphorus, iron and a variety of vitamins B1, vitamin B2, vitamin B6, vitamin C and vitamin P, etc., but also contains a variety of amino acids needed by the human body, eating grapes on neurasthenia, fatigue is very beneficial.
Research has found that grapes are better than aspirin to stop the formation of blood clots, and can reduce the level of human serum cholesterol, reduce platelet cohesion, on the prevention of cardiovascular and cerebral vascular disease has a certain role. Consuming the right amount of fresh grapes every day will not only reduce the risk of cardiovascular disease, but also particularly beneficial to the health of those with localized ischemic heart disease and atherosclerotic heart disease.
Flavonoids in fresh grapes can "clean" the blood and prevent the formation of cholesterol plaque. The blacker the grapes, the more flavonoids they contain, but if you eat the skins and seeds together, it's even better for your heart.
2, raisin skin is rich in a polyhydroxyphenolic compounds --- resveratrol, with lowering blood lipids, anti-thrombosis, prevention of atherosclerosis, enhance immunity and other functions.
Tannin, another important substance in raisin skin, has the effect of anti-allergy, delaying aging, enhancing immunity and preventing cardiovascular diseases.
The anthocyanins contained in raisin skin have strong antioxidant, anti-mutagenic, reduce liver dysfunction, cardiovascular protection and other functions.
The raisin skin also has an anticancer effect, the United States of Illinois University of Pharmacy researchers found that this substance in peanut rice, raisins and other 70 kinds of plants are more or less in the presence of, and especially the raisin skin and red wine in the most.
Because most of the raisins currently on the market have pesticide residue problems, it's important to wash raisins before eating them with their skins. It is best to first rinse with water, with detergents that can effectively remove pesticide components, cleaning for more than two minutes. But should not be soaked in water, salt water, because the water soak easily promote the surface of the raisin pesticide residues penetrate into the pulp.
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