The leaves of Piper angustifolium, Ruiz et Pavon (Nat. Ord. Piperaceae). A Peruvian shrub.
Common Names: Matico, Matico Leaves.
Principal Constituents.—A bitter principle, maticin, and an aromatic camphoraceous volatile oil.
Preparation.—Tinctura Matico, Tincture of Matico (2 ½ ounces to Diluted Alcohol, 16 fluidounces). Dose, 1 to 2 fluidrachms.
Action and Therapy.—An aromatic, bitter stimulant of reputed value in catarrhal states, particularly of the stomach and genito-urinal tract. It is seldom used.