Syrupus Rhei (U. S. P.)—Syrup of Rhubarb.
Related entry: Rheum (U. S. P.)—Rhubarb
Preparation.—"Fluid extract of rhubarb one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏︎]; spirit of cinnamon, 4 cubic centimeters (4 Cc.) [65♏︎]; potassium carbonate, ten grammes (10 Gm.) [154 grs.]; glycerin, fifty cubic centimeters (50 Cc.) [1 fl℥, 332♏︎]; water, fifty cubic centimeters (50 Cc.) [1 fl℥, 332♏︎]; syrup, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏︎]; Mix the spirit of cinnamon with the fluid extract of rhubarb, and add to it the potassium carbonate dissolved in the water. Then add the glycerin, and, lastly, enough syrup to make the product measure one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏︎]; Mix thoroughly"—(U. S. P.). This syrup has a dark red-brown color.
Action, Medical Uses, and Dosage.—(See Rheum.) Dose, ½ to 1 fluid drachm.