Taste description of good red wine: Good red wine tastes soft, the entrance is smooth, and the aftertaste is fragrant.

Poor red wine has a rough taste, strong alcohol flavor, irritating throat and unpleasant taste in the mouth.

If the color of the wine is unnatural, or there is unknown suspended matter on the wine (a little precipitation at the bottom of the bottle is normal crystals), it means that the wine has gone bad, because the color is turbid when the wine goes bad.

Judge whether a bottle of wine is good or bad;

First of all, learn to taste wine. If you don't taste wine, you won't taste the best taste of wine. It is important to know the origin of these flavors before we go deep into the identification of wine flavors by smell, taste and appearance. First of all, you must realize that the taste of wine comes from its aromatic compounds.

This means that when you smell wine, alcohol will evaporate into the air and bring these aromatic compounds to your nose. Every wine contains hundreds of aromatic compounds, which will affect your sense of smell and taste.