352 MATER i A MEDIC A AND THERAPEUTICS. 



chalky on the surface, with a short mealy fracture, hot taste, 

 and agreeable aroma. Powder yellowish- white. 



Substance resembling Ginger : Turmeric, known by colour. 



Composition. Ginger contains an aromatic volatile oil, the 

 exact composition of which is uncertain. 



Lose. 10 to 20 gr. 



Preparations. 



1. Tinctura Zingiberis. 1 in 8. Dose, 10 to 30 min. 



2. Tinctura Zingiberis Fortior. " Essence of Ginger." 1 in 2. 



Dose, 5 to 20 mm. 



From this is prepared : 



Syrupus Zingiberis. 1 of Strong Tincture in 26. Dose, 



1 to 4 fl.dr. 



Ginger is also contained in a variety of powders, and 

 other preparations of more important drugs. 



ACTION AND USES. 



Ginger acts and is used like other substances containing 

 aromatic volatile oils. It is one of the most generally employed 

 of all carminatives. 



Curcuma TURMERIC. The rhizome of Curcuma 

 longa. 



Composition. Turmeric contains a yellow . crystalline 

 colouring matter, a volatile oil, resin, and starch. 



Preparations. 



1. Turmeric Tincture. 1 in 6. 



2. Turmeric Paper. 



USE. 



Turmeric paper is used pharmaceutically as a test for 

 alkalies, which change the yellow to a reddish-brown. As a 

 condiment it is a constituent of curry powder. 



Cardamomum CARDAMOMS. The dried cap- 

 sules of the Malabar Cardamom, Elettaria Cardamomum. 

 Cultivated in Malabar, The seeds are best kept in 

 their pericarps, from which they should be separated 

 when required for use, the pericarpial coats being 

 rejected. 



