tagatose

tag·a·tose

noun \ˈtag-ə-ˌtōs also -ˌtōz\

Definition of TAGATOSE

: a crystalline ketohexose sugar C₆H₁₂O₆ found naturally in the D-form (as in gum from a West African tree Sterculia setigera and in various dairy products) and also obtainable from galactose by treatment with dilute alkali that is nearly as sweet as sucrose and is used as a low-calorie sweetener