HYDEASTINE HYDEOCHLOEIDE 561 



Extractum Hydrastis Liquidum. (B. P.) 

 e.— H. &C., 3i-iii. (4.-13.); D., nv.-xv. (.3-1.). 



Tinctura Hydrastis. Tincture of Hydrastis. (U. S. & B. P.) 



Made by maceration and percolation of hydrastis, 300 ; with diluted 

 alcohol, to 1000. 



Dose.— H., |i.-ii. (30.-60.) ; D., 3 ss.-ii. (3.-8.). 



Olyoeritmn Hydrastis. Glycerite of Hydrastis. (U. S. P.) 

 Made by maceration and percolation of hydrastis, 1000 ; add water 

 to the percolate and evaporate. Add water to the residue, set aside 34 

 hours and filter ; add enough water to the filtrate to make 500 ; then add 

 glycerin, 500. 



Dose. — Same as fluid extract. 



HTDBASTIN.S! Hydbochloridum. Hydrastine Hydro- 

 chloride. CuH,,NO,H CI. (U. S. P.) 



The hydrochloride of an artificial alkaloid derived from 

 hydrastine by the action of oxidizing agents. 



Properties.— Jjight, yellow, amorphous granules, or a 

 pale yellow crystalline powder ; odorless, and having a bitter, 

 saline taste ; deliquescent on exposure to damp air. Soluble 

 in 0.3 part of water, and in 3 parts of alcohol. 



I)ose.—B.., gr.i.-ii. (.06-.12); D., gr.^Vi (.005-.01). 



Hydeastin. (Non-official). 



The commercial name for a mixture of variable com- 

 position, consisting chiefly of berberine, together with 

 hydrastine, and a resin. A greenish-yellow powder, having 

 a bitter taste. Wrongly termed hydrastine. 



Dose. — H., gr.xv.-xxx. (1.-2.); D., gr.iii.-v. (.18-.3). 



Actions. — Hydrastis and its alkaloids, berberine and 

 hydrastine, act as simple bitters and stomachics, in small 

 doses, by improving the appetite and stimulating the secre- 

 tion, motion and vascularity of the stomach. Hydrastis 

 causes contraction of the non- pregnant uterus, and may 

 induce abortion in i->regnant animals. It also increases 

 the flow of urine. The drug is a mild anti-periodic, but 



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