White, odorless, sweet-tasting powder.
Maltose is a disaccharide, two simple sugars in one molecule. In maltose, the two sugars are both glucose.
Maltose is an easy to digest carbohydrate, and is used in infant formulas, and in making beer.
Chains of glucose molecules form starches and pectins, and when those are broken down by enzymes, mixtures of glucose, maltose, and maltodextrins are formed, which are all just shorter chains of glucose.