I. What is Coagulation in Brewing? Coagulation in brewing refers to the process of particles coming together and forming larger clumps or flocs. This process is essential in brewing as it helps to remove unwanted particles and impurities from the beer. Coagulation occurs when certain substances, known as coagulants, are added to the beer to … Read more
I. What is a False Bottom in Brewing? A false bottom is a key component in the brewing process, particularly in mash tuns and lauter tuns. It is a perforated or slotted plate that sits at the bottom of the vessel and acts as a filter to separate the liquid wort from the solid grain … Read more
I. What is Esterification? Esterification is a chemical reaction that involves the formation of an ester compound through the reaction between an alcohol and a carboxylic acid. This reaction typically requires the presence of an acid catalyst, such as sulfuric acid or hydrochloric acid, to facilitate the conversion of the alcohol and carboxylic acid into … Read more
I. What is Gelatinization? Gelatinization is a process that occurs when starch granules absorb water and swell, leading to the breakdown of the granules and the release of amylose and amylopectin molecules. This process is commonly seen in cooking, where it is responsible for thickening sauces and soups. In the context of brewing, gelatinization plays … Read more
I. What is Wort Correction Factor? The Wort Correction Factor is a term used in brewing to adjust the specific gravity reading of wort at a temperature other than the standard calibration temperature of the hydrometer, which is typically 20 degrees Celsius (68 degrees Fahrenheit). This correction factor is necessary because the density of a … Read more
What is Reinheitsgebot? Reinheitsgebot, also known as the German Beer Purity Law, is a regulation that dictates the ingredients that can be used in the production of beer in Germany. The law was originally established in 1516 in the duchy of Bavaria and later adopted by the whole of Germany. The primary purpose of Reinheitsgebot … Read more
I. What are Tannins? Tannins are a group of polyphenolic compounds found in various plant-based materials such as grapes, tea leaves, and barley. They are responsible for the astringent taste in foods and beverages and play a crucial role in the brewing process. Tannins are known for their ability to bind with proteins and other … Read more