Red wine to wake up because:

1. to sediment: because red wine is generally flat, or tilted 30 degrees storage, a long time there will be cork dregs and other impurities to the bottom, which will affect the taste.

2. Soften the tannins: red wine in the brewing process, the wine in the phenolic and tannin substances will occur in the chemosynthetic reaction, so most of the aged red wine contains a certain amount of slag, sobering up can be separated out of the wine in the slag, for mellow red wine, sobering up can let the red wine contact with oxygen, which will let its aroma to emit, so that the red wine's aroma and flavor has become more intense.

3. Aroma revival: When red wine is stored, the aroma is in a sealed state, and after waking up, the aroma will be slowly emitted.

4. Deodorization: red wine manufacturers in the production process in order to achieve the effect of sterilization will be added to a large number of sulfur dioxide, time will form the sulfur odor, wake up the wine, the smell will disappear.

Time requirements

The length of time to wake up should be determined according to the storage time, generally speaking, longer, wine age of the older red wine need to wake up half an hour to an hour of the role of the storage time is shorter, shorter age of red wine need to wake up 2 hours or so, if it is the age of those old wines, the storage time of 20 years above the red wine, then do not need to wake up. If it is the old wine, stored for more than 20 years, there is no need to wake up, or wake up 5 minutes before drinking, so as not to destroy the remaining flavor in the wine.