Calculation of Hop Additions

Comparative figure for bitterness are the International Bittering Units, defined as 1 IBU = 1 milligram of iso-alpha-acid per liter. There are different calculation models and tables available for estimating this value. I’m using the formulas supplied by Glenn...

Controlling Temperature with Step- and Decoction Mashing

Malt-Components Enzym Optimum Activity °C pH Gum Substances Glucanases 40-45 4.7-5.0 Proteins Proteases 45-50 5.0-5.2 Starch beta-Amylase 60-65 5.4-5.6 alpha-Amylase 70-75 5.6-5.8 pH and temperature are the key parameters for controlling the enzymatic degradation of...