Many people know that eating some fruits with sour flavor or drinking 1~2 two clean vinegar can relieve alcohol. What is the reason? This is because the fruit contains organic acids, such as apples containing malic acid, citrus containing citric acid, grapes containing tartaric acid, etc., and the main component of alcohol is ethanol, organic acids can interact with ethanol to form esters to achieve the purpose of alcohol, the same reason, vinegar can also be used to solve the problem is because of the vinegar contains 3% to 5% of the acetic acid, acetic acid can be esterified with ethanol to generate acetic acid has ester.