The main chemical components of beer foam are healthy protein breakdown, glucose polymers and isohumulones, and the healthy protein factor is the most critical. Beer foam is one of the signs that distinguish it from various beverages, and it is also a crucial quality indicator. High-quality beer has

Water is one of important material in brewing beer, whose character also effect beer taste in some way. So, what is the basic request of brewing water?

What is Sparging?Sparging is the rinsing of the grain bed to extract as much of the sugars from the grain as possible without extracting mouth-puckering tannins from the grain husks. Typically, 1.5 times as much water is used for sparging as for mashing (e.g., 8 lbs. malt at 2 qt./lb. = 4 gallon mas