458 VEGETABLE DRUGS 



of boiling water, and very soluble in boiling alcohol ; also- 

 soluble in 9 parts of chloroform. 



Dose, — Same as quinine sulphate. 



Quinine Talerianas. Quinine Valerianate. 

 C,oH,,N,0,C,HioO, + H,0. (U. S. <fe B. P.) 



Derivation. — Made by decomposition of quinine sulphate 

 with ammonia, followed by the immediate action of valerianic 

 acid, and crystallization from a cold solution. 



Properties. — White, or nearly white, pearly, lustrous^ 

 triclinic crystals, having a slight odor of valerianic acid, and 

 a bitter taste. Permanent in the air. Soluble in 100 parts 

 of cold water, and in 5 parts of alcohol; in 40 parts of 

 boiling water, and in 1 part of alcohol. 



Dose. — D., gr.i.-ii. (.06-. 12). Three times daily as tonic. 



Quinine Bimuriatis Carbamas. Double Muriate of Quinine 

 and Urea. (Non-official.) 



Very soluble and contains about 61 per cent, of quinine. 

 Dose. — Same as quinine sulphate, but used subcutane- 

 ously in 50 per cent, aqueous solution. 



Chinoidinum or Quinoidinum. Chinoidine or Quinoidine. 



Brown, resinous mass, containing mixture of quinidine, 

 cinchonine and cinchonidine. A cheap substitute for quinine 

 sulphate. 



Dose. — Three or four times that of quinine sulphate. 



QuiNiDiNiE Sulphas. Quinidine Sulphate. (C^^^fi^^ 

 H,SO, + 2 H,0. (U. S. P.) 



The neutral sulphate of an alkaloid obtained from the 

 bark of several species of cinchona (nat. ord. Rubiaceae). 



Synonym. — Sulfate de quinidine, Fr. ; schwefelsaures 

 chinidin (cinchinin), G. 



Derivation. — Recovered from quinoidine, or from the 



