As we known, the beer basic materials are water, beer hops, yeast, and malt. In this one, yeast decides to beer fermentation type, and in meantime decide beer types. The beer fermentation has two types, one is Top-fermented beers, and another is Bottom-fermented beers.

The next major process that takes place after filtration and prior to packaging is beer carbonation. Carbon dioxide not only contributes to perceived "fullness" or "body" and enhances foaming potential it also acts as a flavor enhancer and plays an important role in extending the shelf life of the p

Starter TanksTraditional European lager brewers, especially in Germany and Scandinavia, use starter tanks in which yeast is added to the cooled wort and the contents then allowed to stand for a period of up to 24 hours before racking. Traditionally, starter tanks were open vessels, but Nowadays they