1, look at the appearance of the bottle: look at whether the label of the bottle is clearly printed, whether there is counterfeit reproduction, whether there is any abnormality in the lid of the bottle, and whether there is any trace of being opened. Look at the international barcode on the back of the bottle. For example, the international barcode in France is 3, so the barcode starts with 3. ?
2, look at the wine liquid: look at whether the color of the wine is natural, see if there is unknown suspended matter on the wine, and then see if the weight of the wine is enough. A little precipitation at the bottom of wine bottle is normal crystal, and the color will be a little cloudy when the wine goes bad. ?
3. Look at the logo of the wine stopper: Open the wine bottle to see if the text on the wooden wine stopper is the same as the text on the wine label. In large regular wineries, wine bottles and wine stoppers are dedicated. Ordinary small factories and counterfeiters can't do it. ?
4. Smell the smell of wine: if the wine has grape varieties such as Cabernet Sauvignon and Merlot, the good variety of wine has a refreshing aroma, with the natural climate and geographical environment of the wine producing area (for example, Merlot will have the aroma of cherries, strawberries and red berries), and the smell is positive; The general blended wine is incomparable. ?
5. Taste of wine: After drinking the first sip of wine, when the wine passes through the throat, the normal wine is smooth, while the problem wine is irritating. After swallowing wine, it is abnormal if the smell left in the mouth is chemical or smelly, and good wine must be refreshing when drinking.
Extended data:
The composition of red wine is quite simple, it is fruit wine brewed by natural fermentation, and the most content is grape juice. There are many ways to classify wine. According to the color of finished products, it can be divided into three categories: red wine, white wine and pink wine.
Red wine can be subdivided into dry red wine, semi-dry red wine, semi-sweet red wine and sweet red wine, while white wine can be subdivided into dry white wine, semi-dry white wine, semi-sweet white wine and sweet white wine. Pink wine is also called peach wine and rose wine. Red bayberry wine is called red bayberry wine. There is also a blueberry red wine made from blueberries.
The composition of red wine is quite simple. It is a fruit wine brewed by natural fermentation, with grape juice accounting for more than 80%, followed by alcohol naturally fermented by sugar in grapes, generally at 10% to 30%, and the remaining substances exceed 1000, and there are more than 300 more important ones. Other important components of red wine are tartaric acid and tartaric acid.
References:
Baidu encyclopedia-red wine
People's Daily Online-Hanging a cup can't evaluate the quality of wine, learn six tricks to identify it skillfully.