How long can red wine be kept after opening

Red wine is a type of alcohol that can beautify the skin. Drinking a moderate amount of red wine can promote blood circulation, increase appetite, and nourish the body. It also has many other functions and effects such as promoting digestion, losing weight, and killing bacteria. Before red wine is opened, it can be stored indefinitely, but once it is opened, in order to ensure its taste and quality, it needs to be consumed within a certain period of time!

1. Does red wine have a shelf life?

Red wine has a shelf life. In my country, if the alcohol content of wine exceeds 20%, the shelf life does not need to be clearly marked. The alcohol content of wine is generally between 8% and 15%, which is a low-alcohol wine. Therefore, my country's wines are all clearly marked with a shelf life.

2. How long can red wine be stored after opening?

For red wine, the higher the acidity and the higher the tannin content, the longer the wine can be stored after opening the bottle. Therefore, a full-bodied Petite Sirah will last longer once opened than a lighter, less tannic Pinot Noir. Generally speaking, red wine should be sealed with a cork after opening the bottle and stored in a cool and sealed place. The shelf life is 3 to 5 days. If there is no refrigerator, store it in a ventilated room with a room temperature of about 21°C.

3. Benefits of drinking red wine

1. Red wine can increase appetite

The bright color and clear and transparent body of the wine are pleasing to the eye; when poured into the glass, the fruity aroma and the slightly astringent tannins in the wine stimulate appetite when tasted. The unique flavor and ingredients of wine make it the most suitable accompaniment to meals. It can not only stimulate appetite and improve the quality of meals, but also make people excited and relax.

2. 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 directly absorbed by the human body without prior digestion. Especially for the weak, drinking moderate amounts of wine regularly is beneficial to restoring health. The phenolic substances and oligoelement in wine have the function of anti-oxidants, which can prevent the reactive oxygen (ROS) produced during human metabolism from harming the human body (such as damage to DNA and RNA in cells). These damages are one of the factors leading to some degenerative diseases, such as cataracts, cardiovascular disease, arteriosclerosis and aging.

3. Red wine helps digestion

In the stomach, 60-100 grams of wine can increase the production of normal gastric juice by 120 ml (including 1 gram of free hydrochloric acid). Wine is beneficial to the assimilation of protein; the tannin in red wine can increase the contractility of smooth muscle fibers in the intestinal muscle system. Therefore, wine can adjust the function of the colon and have a certain therapeutic effect on colitis.

4. Red wine has the effect of beauty and anti-aging

Wine's unique organic compounds, such as polyphenols, enable it to lower blood lipids, inhibit bad cholesterol, soften blood vessels, and enhance cardiovascular function and heart activity. It also has the effects of beauty and anti-aging.

5. Red wine has a weight-loss effect

Wine can help reduce weight. Each liter of dry wine contains 525 calories, which is only 1/15 of the average daily calorie requirement of the human body. After drinking, wine can be directly absorbed and digested by the human body and completely consumed within 4 hours without causing weight gain. Therefore, people who regularly drink dry wine can not only replenish the water and various nutrients needed by the human body, but also help to lose weight.

6. Red wine sterilization effect

People have long recognized the bactericidal effect of wine. For example: cold is a common and frequent disease. The antibacterial substances in wine have an inhibitory effect on influenza viruses. The traditional method is to drink a glass of mulled wine or heat a glass of red wine, beat in an egg, stir it, stop heating, and drink it after it cools slightly. Studies have shown that the bactericidal effect of wine is because it contains antibacterial and bactericidal substances.