BELLADONNA ROOT 353 



alkaloid. Belladonna leaves contain about 0.46 per cent, 

 atropine. 



Dose.—B.. & C, 5 ss.-i. (15.-30.); D., gr.i.-v. (.06-.3). 



PREPARATIONS. 



Extractitm Belladonnce Folioruvi Alcoholicum. 

 Alcoholic Extract of Belladonna Leaves. (U. S. & B. P.) 

 Made by percolation and evaporation to pilular consistence. Used 

 in preparing the unguentum belladonnae. 



Dose.— H. & C, gr.x.-xx. (.6-1.3); Sh. & Sw., gr.ii.-iv. (.12-24.); 

 D.,gr.i-i(.008-.03). 



Tinctura Belladonnce Folioruvi. Tincture of Belladonna Leaves. 

 (U. S. & B. P.) 

 Belladonna leaves, 150; diluted alcohol to make 1,000. Made by 

 maceration and percolation. (U. S. P.) 

 Dose.—D., TTiv.-xxx. (.3-2.). 



Unguentum Belladonnce. Belladonna Ointment. (XJ.* S. & B. P. ) 

 Alcoholic extract, 10 ; diluted alcohol, 5 ; benzoinated lard, 85. 

 (U.S. P.) 



Belladonna Kadix. Belladonna Root. 



Synonym. — Bacine de Belladonne, Fr.; woliskirschen- 

 wurzel, toUkirschen-wurzel, G. 



Derivation. — The root of atropa belladonna Linne (nat. 

 ord. solanacese). In cylindrical, somewhat tapering, longi- 

 tudinally wriukled pieces, 10 to 25 mm. or more in thickness; 

 externally brownish-gray, internally whitish ; fracture nearly 

 smooth and mealy, not radiating or showing medullary rays 

 in the thicker roots, only in the layer near the bark; nearly 

 inodorous, taste sweetish, afterwards bitterish and strongly 

 acrid. 



Constituents. — Same as leaves. Contains 0.2 to 0.6 per 

 cent, atropine. 



PREPARATIONS. 



Extractum Belladonnce Radicis Fluidum. 

 Fluid Extract of Belladonna Root. (U. S. P.) 



Made by percolation with alcohol and water, and evaporation. 

 One Cc. of the extract = one Gm. of belladonna root. The most reliable 

 preparation, 



