Beer without foam tastes bad?

Look at this foam. Under normal circumstances, there should be a certain sound when the beer bottle cap is opened, indicating that carbon dioxide gas is sufficient.

Slowly pour the beer into a clean glass, the foam will rise immediately, and the color of the foam will be white, delicate and even, and the time will be kept for 4 minutes.

Above, and foam hanging cup phenomenon is the best product. If the foam is thick, yellow and dissipates quickly, and the foam is not hung on the cup, it is inferior.

The most important thing about beer foam is preservation.

First of all, beer should be stored at 10 degrees Celsius. When the temperature is too high, there are many bubbles but they don't last. If it is too low, bubbles will decrease and bitterness will increase.

Second, try to use a large glass when drinking, so that the beer will not heat up sharply at room temperature.

Third, oil is the enemy of beer bubbles. Of course, the oil on the mouth when eating vegetables is also a corrosion inhibitor for foam. To this end, pour 80% full wine, drink a glass of wine as soon as possible, eat meat and wipe your mouth. , are tips to keep beer foam and flavor. In addition, beer should not be swallowed slowly, but gulped down, which can also prevent the wine from heating up in the mouth and aggravating the bitterness. Some people can never appreciate the beauty of beer, probably because of improper drinking.