Gum Karaya CAS 9000-36-6

Gum Karaya is exuded from Sterculia urens, a bushy tree found in dry regions of North India.

Due to its extensive swelling capacity in water it is used as a laxative and as a denture adhesive.

The structure consists of D-galactose, D-glucuronic acid and L-rhamnose but the detailed molecular structure is still incompletely known.