Maltose Also known as malt sugar, maltobiose or 4-alpha-D-glucopyranosido-D-glucopyranose What is maltose? Maltose is a disaccharide made up of 2 glucose units. It is a reducing sugar, so it contributes to Maillard browning and caramelization reactions. In baking, maltose is used as a substitute for sucrose and is a good yeast nutrient.¹ [...]