Tinctura Senegae.—Tincture of Senega.
Related entry: Senega (U. S. P.)—Senega
Preparation.—Take of "senega root, in No. 40 powder, 4 ounces (Imp.), or 200 grammes (Metric); alcohol (60 per cent), a sufficient quantity. Moisten the powder with 4 fluid ounces (or 200 cubic centimeters) of the alcohol, and complete the percolation process. The resulting tincture should measure 1 pint (or 1000 cubic centimeters)"—(Br. Pharm., 1898). This tincture possesses the acridity of senega, and has a yellow-brown color.
Action, Medical Uses, and Dosage.—(See Senega.) Dose, from ½ to 2 fluid drachms.