KED CINCHONA 479 



Infusum Cinchona; Acidimi. (B. P.) 

 Dose.— H., Oi. (500 ); D., 3 ii.-iv. (8.-15.). 



Tinctara Cinckonm. Tincture of Cinchona. (U. S. &B. P.) 



Made by maceration and percolation of cinchona, 200, with 

 glycerinj 75 ; and alcohol and water a sufficient quantity to make 1000. 

 0.75 gm. alkaloids in 100 cc. of tincture. (U. S. P.) 



J»o.se.— H., |i.-ii. (30.-60.); D., 3 ss.-ii. (2.-8.). 



Cinchona Eubra. Eed Cinchona. 



CinchonsB rubrse cortex, B. P. The bark of Cinchona 

 succirubra Pavon (nat. ord. Kubiacese), containing not less 

 than 5 per cent, of anhydrous cinchona alkaloids. 



Habitat. — Ecuador, west of Chimborazo. 



Description. — In quills or incurved pieces, varying in 

 length, and from 2 to 4 or 5 Mm. thick ; the outer surface 

 covered with a grayish-brown cork, more or less rough from 

 warts and longitudinal, watery ridges, and from few, mostly 

 short, transverse fissures ; inner surface more or less deep 

 reddish-brown and distinctly striate ; fracture short-fibrous 

 in the inner layer; powder reddish-brown; odor slight; 

 taste bitter and astringent. 



Constituents. — Same as cinchona. 



Dose. — Same as cinchona. 



PREPAEATION. 



Tinctura Ginohonm Oonipositus. Compound Tincture of Cinchona. 

 (TJ. S. &B. P.) 

 Made by maceration and percolation of red cinchona, 100 ; bitter 

 orange peel, 80 ; serpentaria, 20 ; with glycerin, 75 ; and alcohol and 

 water to make 1000. (U. S. P.) 



Do.se.— H., 1 ii.-iv. (60.-120.); D., 3 ss.-iv. (2.-15.). 



*QuiNiN^ Sulphas. Quinine Sulphate. 

 (C,„H,N,0,), H,SO, + 7 H,0. (U. S. & B. P.) 



Synonym. — Chininum sulfuricum, P.G.; sulfas quinicus, 

 disulphate or basic sulphate of quinia, E.; sulphate de 

 quinine, Er.; schwefelsaures chinin, G. 



* Tine. Quininm Ammoniata (B. P.), from the sulphate. Dose— 

 ' H., Isa.-i. D., 3ss.-i. 



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