Epitome of the Pharmacopeia of the United States and the National Formulary / With Comments

by Albion Walter Hewlett; William August Puckner; Torald Hermann Sollmann; Martin I. Wilbert

Dosage: 8 Cc. or 2 fluidrachms (N.F.).

Persio (Persio), Cudbear, N.F. (Red Indigo).—A purplish-red powder prepared from lichens.

Action and Uses: Coloring agent.

Tinctura Persionis (Tr. Persion.), Tincture of Cudbear, N.F.—Cudbear in alcohol and water.

Uses: To impart a reddish color.

Tinctura Persionis Composita (Tr. Persion. Co.), Compound Tincture of Cudbear, N.F.—Cudbear and caramel in alcohol and water.

Uses: To impart a reddish-brown color.

*Petrolatum (Petrolat.), Petrolatum, U.S.P. (Petrolatum Ointment, Petroleum Jelly).—A purified mixture of semisolid hydrocarbons from crude petroleum.

An unctuous, nearly odorless and nearly tasteless semisolid. Insoluble in water and almost insoluble in alcohol.

Action and Uses: Protective to the skin and basis for ointments, etc.