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Tinctura Rhei Aromatica (U. S. P.)—Aromatic Tincture of Rhubarb.

Related entry: Rheum (U. S. P.)—Rhubarb - Aromatic Syrup of Rhubarb

Preparation.—"Rhubarb, two hundred grammes (200 Gm.) [7 ozs. av., 24 grs.]; cassia cinnamon, forty grammes (40 Gm.) [1 oz. av., 180 grs.]; cloves, forty grammes (40 Gm.) [1 oz. av., 180 grs.]; nutmeg, twenty grammes (20 Gm.) [309 grs.]; glycerin, one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏]; alcohol, water, diluted alcohol, each, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix the rhubarb, cinnamon, cloves, and nutmeg, and reduce the mixture to a moderately coarse (No. 40) powder. Mix the glycerin with five hundred cubic centimeters (500 Cc.) [16 fl℥, 435♏] of alcohol and four hundred cubic centimeters (400 Cc.) [13 fl℥, 252♏] of water. Moisten the powder with one hundred and fifty cubic centimeters (150 Cc.) [5 fl℥, 35♏] of the menstruum, and macerate for 24 hours; then pack it firmly in a cylindrical percolator, and gradually pour on the remainder of the menstruum. When the liquid has disappeared from the surface, gradually pour diluted alcohol upon it, until one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏] of tincture are obtained"—(U. S. P).

Uses and Dosage.—This tincture has a deep reddish-brown color, and precipitates when mixed with water. It is designed for the purpose of preparing an aromatic syrup of rhubarb. It is liable to precipitate substances like those forming in tincture of rhubarb. It may be added to many purgative tinctures. Dose, 1 to 4 fluid drachms.


King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.



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