Infusum Gentianae Compositum.—Compound Infusion of Gentian.
Related entry: Gentiana (U. S. P.)—Gentian
Preparation.—"Gentian, in moderately coarse powder, 1/2 troy ounce; bitter orange peel, in moderately coarse powder, coriander, in moderately coarse powder, of each, 60 grains; alcohol, 2 fluid ounces; water, a sufficient quantity. Mix the alcohol with 14 fluid ounces of water, and, having moistened the mixed powders with 3 fluid drachms of the menstruum, pack them firmly in a conical percolator, and gradually pour upon them, first, the remainder of the menstruum, and afterward water, until the filtered liquid measures a pint"—(U. S. P., 1870).
The following accords with the Br. Pharm.: Infuse, in a closed vessel for 30 minutes, 55 grains each of sliced gentian root and bitter orange peel (cut small), and 1/4 ounce (av.) of fresh lemon peel (cut small) in 10 fluid ounces (Imp.) of boiling distilled water. Strain.
The formula of the U. S. P., 1870, is to be preferred to that of the latter, as it is a more efficient product, and, on account of the alcohol it contains, is much more easily preserved.
Action, Medical Uses, and Dosage.—Stomachic and tonic. Dose, 1/2 to 1 fluid ounce, 3 times a day.
Related Infusion.—INFUSUM GENTIANAE COMPOSITUM FORTIUS (N. F.), Stronger compound infusion of gentian. Formulary number, 192: "Gentian, one hundred and twenty-five grammes (125 Gm.) [4 ozs. av., 179 grs.]; coriander, thirty-five grammes (35 Gm.) [1 oz. av., 93 grs.]; bitter orange peel, thirty-five grammes (35 Gm.) [1 oz. av., 93 grs.]; diluted alcohol (U. S. P.), a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Reduce the drugs to a moderately coarse (No. 40) powder, moisten it with diluted alcohol, pack it in a percolator, and percolate with diluted alcohol, until one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏] are obtained. Note.—When Infusum gentianae compositum is prescribed, mix 1 volume of this preparation with 3 volumes of water"—(Nat. Form.).
King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.