Most countries in the world use auxiliary materials for beer production, with the exception of Germany, which strictly abides by its "Beer Pure Brewing Law" formulated in 1516. Only four ingredients, water, malt, hops and yeast, are allowed in beer brewing, and no auxiliary ingredients are allowed.

Water, hops, malt and yeast, in people's common sense, these four raw materials are indispensable to the composition of beer, but in fact, these are only applicable to a certain region of Germany beer purity law for industrial beer standards. In fact, there is no valid rule that beer must use any of these four ingredients. Beer is traditionally an alcoholic drink made from wheat malt, hops and biologically fermented.

There are many types of beer, such as green beer, pasteurized beer, pasteurized beer, draft beer, draught beer, etc. So what are the differences between them? Which kind of beer has better nutrition and which kind of beer tastes better? Today, the brewery equipment suppliers takes a look at what the difference is. Let's start with the brewing process of beer. Simply put, it's made by fermenting malt, yeast, hops and water. Regardless of the classification, the preceding brewing process is the same, the difference is the "treatment" of the beer once it is brewed. The following will give you a detailed say, what is the difference between them in the end?