The decoction method is characterized by the staged heating of a portion of the mash to the melting point, which is then mixed with various other uncooked mash to ensure that the temperature level of all the mash is gradually raised to a level defined by the enzymatic results.

When beer is poured into a glass, the liquor will produce white and delicate foam, which is shaped like a beautiful white flower, so it is often called "the flower of beer". Generally, the foam of beer will last for 2 to 4 minutes, and some beer foam will last for as long as 5 to 6 minutes.

Influence of feeding temperature on beer qualityNew research shows that if a high temperature (such as 62°C) feeding process is used, not only the saccharification time is short, which is beneficial to energy saving, but also it is very beneficial to the foam and taste stability of beer

The composition of wort for sugar metabolism in beer production includes rich nutrients such as sugars, nitrogenous substances, hops, acidic substances, lipids, tannins, dissolved oxygen, inorganic salts, vitamins and other solids. , provides a good living environment for yeast cells, active yeast a