Basic Science for Brewing - abgbrew.com

Basic Science for Brewing Carbohydrates Carbohydrate chemistry is a complex subject. It is, in fact, an entire field of study for scientists. As a brewer an understanding of the basics of what carbohydrates are and knowledge of a few of the reactions they participate in, in our breweries is very important. The name actually describes the molecule. Carbo for carbon and hydrate for the fact that the molecule consists of carbon associated with water or hydrated. They follow the same general structure which can be represented as Cx(H2O)y Simple Sugars (Monosaccharides) Examples include glucose, fructose, galactose, mannose, xylose and ribose H2O + CO2 + sunlight Glucose + O2 photosynthesis Glucose H2O + CO2 + energy respiration Glucose alcohol + CO2 + flavor fermentation . The molecule can be represented as a straight open form or can be drawn as a closed ring structure below. Basic Science for Brewing 1 of 16 Basic Science for Brewing Glucose exists as two separate isomers beta and alpha Basic Science for Brewing 2 of 16 Basic Science for Brewing Other isomers of the molecule C6H12O6 exist too D-Allose D-Altrose D-Glucose D-Mannose D-Gulose D-Idose D-Galactose D-Talose Oligosaccharides Oligosaccharides are more complex polymers consisting of 2-11 monomers linked together.

Basic Science for Brewing Carbohydrates Carbohydrate chemistry is a complex subject. It is, ... Glucose Æ alcohol + CO2 + flavor fermentation .

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