The chief ingredient of Orris root is oil of Orris (0.1-0.2%) a yellow-white mass which contains myristic acid. Oil of Orris can also be found as Orris Butter.
Other ingredients include, fat, resin, starch, mucilage, bitter extractive and a glucoside called 'Iridin' or 'Irisin'.[1]
Uses
Once important in western herbal medicine, it is now used mainly as a fixative and base note in perfumery, the most widely used fixative for potpourri. Orris is also an ingredient in many brands of gin.