1. Look at the color
If the color of a red wine is dull, dull, and abnormally brown, it may have been over-oxidized or otherwise contaminated. A white wine with a very deep yellow color may also be over-oxidized.
If the color of the wine is turbid and floats like snowflakes, it can basically be determined that the bottle of wine has gone bad. It should be noted that some older red wines will have some sediment. This is a normal phenomenon when the wine’s pigments, tannins and other substances will combine over a period of time.
2. Smell the aroma
If the wine smells moldy, stale, chicken shit, or wet cardboard, the wine may be over-oxidized. When wine is damaged due to sulfur oxidation, the smell is particularly strong and pungent. After taking a deep breath, you can feel an obvious odor at the front of your nose.
If you have any doubts about the quality of the wine, you can cover the mouth of the glass with your palm, then shake the glass up and down vigorously. When you lift your palm, immediately inhale the smell emanating from the glass. .
3. Taste
The most direct way to identify whether wine has gone bad is to smell it and then take a sip. Spoiled wine generally has a damp or rancid smell. In addition, you should also carefully identify whether you feel abnormal tingling or bitter taste on your tongue, the inside of your cheeks, your upper and lower palates, and your throat.
Extended information:
Benefits of drinking red wine:
1. Red wine has a nourishing effect. The natural raw materials and brewing process in wine make it contain a variety of amino acids, minerals and vitamins, which are all nutrients that the human body must supplement and absorb. It can be absorbed directly by the body without predigestion.
2. Prevent various cancers. In addition to being rich in 8 kinds of amino acids needed by the human body, wine is also rich in proanthocyanidins and resveratrol. Proanthocyanidins are the pacesetters in cardiovascular protection, and resveratrol is an excellent cancer cell killer. There are more and more studies showing that drinking a certain amount of wine every day can effectively prevent breast cancer, gastric cancer and other diseases.
3. Promote cardiovascular health. Many men will have cardiovascular diseases in life, and red wine can increase the concentration of high-density lipoproteins in the human blood and prevent the accumulation of cholesterol, which can play a protective role in the lining of blood vessels, so drinking red wine every day It can prevent cardiovascular dysentery and arteriosclerosis.
Reference material: People's Daily Online - Three ways to spot spoiled wine: Look at the color, smell the smell, and taste it.
Reference material: People's Daily Online - What are the benefits of drinking red wine for women? Teach you how to store red wine