Extract of Rha′tany

Syn. Extractum rhataniæ ; E. krameriæ (B. P.), L. Prep. 1. (B. P.) Rhatany in coarse powder, 1; cold distilled water, 15; macerate 24 hours in 2 of the water, then percolate the whole; evaporate by water bath to dryne .— Dose , 5 to 20 grains. 2. (Ph. E. Baden and U. S.) From dried rhatany root ( Krameria tri and ria ), as EXTRACT OF BISTORT —P. Cod. 3. (Ph. Bor.) By two succe ive macerations in boiling water of 24 hours each, and evaporating at a temperature not exceeding 165° Fahr. Obs. Extract of rhatany is astringent and tonic.— Dose , 10 to 20 gr. A large quantity of this extract, of very inferior quality, is imported from Brazil, and other parts of South America. It is kept in two states, hard and soft; the former resembles KINO , and is often sold for it; the latter is chiefly consumed by the manufacturers and ‘improvers’ of port wine.