12 



ACONITUM. 



ADEPS. 



Official Preparations. 



Extractum Aconiti 1.8% to 2.2% Aconitina. Average dose, o.oi Gm. 

 Fluidextractum Aconiti 0.45% to 0,55% Aconitina. Average close, 0.03 mil. 

 Tinctura Aconiti 0.045% to 0.055% Aconitina. Average dose, 0.3 mil. 

 Aconitina, the most poisonous of all alkaloids. Dose, 0.00015 Gm. 

 Therapeutics. Aconite is somewhat rarely indicated in sthenic types of acute 

 inflammatory affections of the lungs or bronchi. 



ADEPS. 



Adeps, or Lard, is the purified internal fat taken from the abdomen of the hog 

 (Sus scrofa). 

 Properties: 



Prepare the official Adeps Benzoinatus by thoroughly mixing o. I Gm. coarsely 

 powdered siam benzoin with 50 Gm. lard. Heat the mixture for 2 hours over a water 

 bath at a temperature not exceeding 60 C., keeping container covered, but stirring the 

 mixture frequently. Strain through muslin, and stir occasionally until it cools. 



In separate dishes of equal diameter place an equal amount of lard and of ben- 

 zoinated lard. Label and set aside on a shelf exposed to light and air. At each subse- 

 quent period examine for possible variations in physical properties. 



Lard: 

 1 week . 



2 weeks 



3 weeks .... 



P>enzoinated Lard 

 1 week ... 



2 weeks .... 



3 weeks ... 



4 weeks 4 weeks 



Adeps Lanae, or Wool Fat, is a purified fat, freed from water, derived from the 

 wool of sheep (Ovis aries). 

 Properties: 



Appearance 



Color 



Odor 



Taste ... 



Solubility : 

 H 2 ... 



CoHgOH 



(C 2 H 5 ) 2 



CHC1 3 



Relative cohesiveness compared with Adeps 



Relative absorbability compared with Adeps 



Relative permanence in air compared with Adeps 



Adeps Lanse Hydrosus = Adeps Lanse + about 28% water. 



These several fats are used as bases for the preparation of ointments. 



