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Fluidextractum Rhei. U. S. Fluidextract of Rhubarb.

Fldext. Rhei.

Related entries: Rhubarb

Extrait liquide de Rhubarbe, Fr.; Flüssiges Rhabarberextrakt, G.

"Rhubarb, in No. 30 powder, one thousand grammes [or 35 ounces av., 120 grains]. Prepare a Fluidextract by Type Process A, using a mixture of four volumes of alcohol and one volume of water as the menstruum." U. S.

The present process affords a fluidextract which thoroughly represents the root, but when mixed with syrups arid. water, it loses its transparency. An alkali or an alkaline carbonate dissolves this precipitate, but the use of the fluidextract is limited. The British Pharm. (1898) "Liquor Rhei Concentratus" is made with alcohol (20 per cent.) as a menstruum and is one-half the strength of the U. S. fluidextract of rhubarb.

Dose, for an adult, as a purgative, twenty to thirty minims (1.3-1.8 mils); as a laxative, from five to ten minims (0.3-0.6 mil).

Off. Prep.—Syrupus Rhei, U. S.; Mistura Rhei Alkalina, N. F.; Mistura Rhei Composita, N. F.; Syrupus Sennae Compositus, N. F.; Vinum Rhei Compositum, N. F.


The Dispensatory of the United States of America, 1918, was edited by Joseph P. Remington, Horatio C. Wood and others.



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