∞ generated and posted on 2016.08.19 ∞

A sugar consisting of two carbohydrate subunits.

Sucrose, lactose, and maltose are disaccharides. See by contrast, monosaccharide.

Sucrose, or table sugar, is an important sugar transport molecule in plants while lactose is the sugar found in milk. Maltose, which as two glucose subunits is a breakdown product of starch hydrolysis.