Grapes that are common in fruit stalls are used for raw food, so they can't be brewed, because these grapes are big, rich in fiber and low in sugar, and they can't be used to brew good wine. Wine grapes are just the opposite, as long as the particles are small, the skin is thick and there are many seeds.

2. The taste of red wine tannins

Wine has a astringent feeling in the mouth, which is the taste of tannins. It is the skeleton of wine, the natural preservative of wine, the treasure to eliminate the scourge of "active oxygen" in our body, and also necessary for wine aging. It comes from grape skins, grape stems and oak barrels.

3. Red wine will turn sour

Almost all wines have acid, and acid is an important component of wine. There are good and bad acids. Good acid tastes pleasant, and sharp acid is bad acid. For example, eating apples before they are ripe is very raw and sharp, which is rotten and sour.

4. Red wine color

The color of wine should be natural. We can distinguish white wine from red wine by color. The color of white wine is usually pale white and yellowish, which deepens with aging. The color of red wine is usually purple and cherry red, and the aged wine will have ruby red, the color of which is that the ingredients in grape skin naturally fall off into the wine during fermentation, rather than artificially added pigments.

5, red wine fragrance

Mainly from grape varieties and soil in planting areas. Fragrances are generally classified. The first category is the aroma of fruits, such as mulberries, cherries, lemons and various flowers, as well as the aroma brought by the brewing process, such as vanilla, cigarettes, coffee and chocolate from oak barrels.

Extended data:

Wrong drinking of red wine

1, a boring. Drinking too fast can easily increase the concentration of ethanol in blood, accelerate blood flow and vasodilation, and endanger the whole body health. Drink slowly, and your body will have enough time to decompose ethanol.

2. Love to drink. "Drink less, but better" is a proverb for drinking red wine. However, many people shake small wine cups, one after another. Studies have shown that drinking more than four glasses of red wine a day will increase the risk of heart disease. Excessive drinking can also lead to alcoholic hepatitis and fatty liver.

3. It's too full. It is the drinking habit of China people to fill up the wine and then drink it dry. However, if red wine is poured too full, it will reduce contact with air, which is not conducive to the volatilization of wine aroma. It is recommended to pour 1/3 cups.

Step 4 mix drinks. Adding carbonated drinks to red wine will accelerate the absorption of alcohol by blood and easily stimulate the stomach and brain. Red wine with ice cubes will make people with stomach cold and spleen deficiency feel uncomfortable.

Baidu encyclopedia-red wine

People's Network-Those who misunderstand red wine clearly understand drinking red wine.