Tinctura Croci (U. S. P.)—Tincture of Saffron.
Related entry: Crocus (U. S. P.)—Saffron
(Modern shorthand: 1:10 41 %)
Preparation.—"Saffron, one hundred grammes (100 G m.) [3 ozs. av., 231 grs.]; diluted alcohol, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [13 fl℥, 391♏︎]. Moisten the saffron with one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏︎] of diluted alcohol, and macerate for 24 hours; then pack it firmly in a cylindrical percolator, and gradually pour diluted alcohol upon it, until one thousand cubic. centimeters (1.000 Cc.) [33 fl℥, 391♏︎] of tincture are obtained"—(U. S. P.). This tincture preserves the saffron characteristics and is of a beautiful orange-yellow color.
Action, Medical Uses, and Dosage.—(See Crocus.) Sometimes used to color medicinal preparations. Dose, 1 to 2 fluid drachms.
