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Syrupus Lactucarii (U. S. P.)—Syrup of Lactucarium.

Botanical name:

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

Preparation.—"Tincture of lactucarium, one hundred cubic centimeters (100 Cc.) [3 fl℥, 183♏]; precipitated calcium phosphate, fifty grammes (50 Gm.) [1 oz. av., 334 grs.]; sugar, seven hundred and fifty grammes (750 Gm.) [1 lb. av., 10 ozs., 199 grs.]; water, a sufficient quantity to make one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Triturate the precipitated calcium phosphate and one hundred and fifty grammes (150 Gm.) [5 ozs. av., 127 grs.] of the sugar, in a mortar, with the tincture of lactucarium gradually added, and afterward with three hundred cubic centimeters (300 Cc.) [10 fl℥, 69♏] of water, added in small portions at a time. Filter the mixture, dissolve the remainder of the sugar in the filtrate, and pass enough water through the filter to make the product measure one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix thoroughly. Syrup of lactucarium may also be prepared in the following manner: Prepare a percolator or funnel in the manner described under syrup (see Syrupus). Pour the filtrate obtained as directed in the preceding formula upon the sugar, return the first portions of the percolate, until it runs through clear, and, when all the liquid has passed, follow it by water, until the product measures one thousand cubic centimeters (1000 Cc.) [33 fl℥, 391♏]. Mix thoroughly"—(U. S. P). This syrup is transparent, the rubber-like constituents of lactucarium having been removed in the process of tincturing. Of lactucarium it contains about 3 grains in each fluid drachm.

Action, Medical Uses, and Dosage.—(For uses, see Lactucarium.) Dose, about 1 fluid drachm.


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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