What is "phlorizin"

Phlorizin \Phlor"i*zin\, n. [Gr. ?, ?, bark + ? root.] (Chem.) A bitter white crystalline glucoside extracted from the root bark of the apple, pear, cherry, plum, etc. [Formerly also written phloridzin.]

n. a bitter, crystalline glucoside of phloretin from the root-bark of apple, pear, cherry, etc.

Phlorizin is a 2'- glucoside of phloretin. It belongs to the group of dihydrochalcones, a type of flavonoids.