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Extractum Quassiae Fluidum (U. S. P.)—Fluid Extract of Quassia.

Botanical name:

Related entry: Quassia (U. S. P.)—Quassia

Preparation.—"Quassia, in No. 60 powder, one thousand grammes (1000 Gm.) [2 lbs. av., 3 ozs., 120 grs.]; alcohol, water, each, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [39 fl℥, 391♏]. Mix three hundred cubic centimeters (300 Cc.) [10 fl℥, 69♏] of alcohol with six hundred cubic centimeters (600 Cc.) [20 fl℥, 138♏] of water, and, having moistened the powder with four hundred cubic centimeters (400 Cc.) [13 fl℥, 252♏] of the mixture, pack it firmly in a cylindrical percolator; then add enough menstruum to saturate the powder and leave a stratum above it. When the liquid begins to drop from the percolator, close the lower orifice, and, having closely covered the percolator, macerate for 48 hours. Then allow the percolation to proceed, gradually adding menstruum, using the same proportions of alcohol and water as before, until the quassia is exhausted. Reserve the first nine hundred cubic centimeters (900 Cc.) [30 fl℥, 208♏] of the percolate, and evaporate the remainder to a soft extract; dissolve this in the reserved portion, and add enough menstruurn to make the fluid extract measure one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]"—(U. S. P.).

Description, Medical Uses, and Dosage.—(See Quassia). This is a brownish-yellow, persistently bitter fluid. The dose is from 5 to 20 minims, well diluted with water.


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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