Alcohol by Volume (ABV): definition, measurement, and typical ranges Alcohol by volume Alcohol by volume (ABV) is the percentage of ethanol in an alcoholic beverage measured at 20 °C. This article explains how ABV is defined, measured, typical values, regulations, an…
Amish friendship bread (Herman): starter, recipes, and sharing tradition Amish friendship bread Overview of Amish friendship bread (also called Herman or German friendship cake), its sourdough-style starter, typical recipes, maintenance and sharing customs, variations, and pr…
Bacillus subtilis Bacillus subtilis is a gram-positive, rod-shaped, endospore-forming soil bacterium used as a model organism in genetics and biotechnology; source of bacitracin, industrial enzymes,…
Beer: manufacture, styles, history and cultural importance Beer Overview of beer as an alcoholic beverage and place name; ingredients, brewing steps, major styles, history and cultural significance of beer.
Pyruvic acid: structure, metabolism, and biological roles Pyruvic acid Pyruvic acid (pyruvate) is the simplest keto acid and a central metabolic intermediate. This article explains its chemistry, formation by glycolysis, main biochemical fates, and bi…
