482 VEGETABLE DRUGS 



ACTION AND USES OF BURGUNDY PITCH AND CANADA TURPENTINE. 



Burgundy pitch is slightly stimulating to the skin and 

 is used as a mild counter-irritant (in plaster) in rheumatism, 

 strains, swelling of joints, and upon the chest. Burgundy 

 pitch, Canada turpentine, crude turpentine, Venice turpen- 

 tine, Bordeaux turpentine and Frankincense have much the 

 same action and uses as oil of turpentine internally. They 

 are administered in the same manner and in nearly identical 

 doses, but are less commonly employed than the latter. 



Eesina. Kesin. (U. S. & B. P.) 



The residue left after distilling off the volatile oil from 

 turpentine. 



Synonym. — Colophony, rosin, E. ; colophonum, P.G. ; 

 colophane, Fr.; kolophonium, geigenharz, G. 



Pro2:>erties. — A transparent, amber-colored substance, 

 hard, brittle, pulverizable ; fracture glossy and shallow-con- 

 choidal ; odor and taste faintly terebinthinate. Spec. gr. 

 1.070-1.080. Soluble in alcohol, ether, and fixed or volatile 

 oils ; also in solution of potassium or sodium hydrate. 



Constituents. — Chiefly abietic acid anhydride (C^JI^204^), 

 80-90 per cent. 



PREPARATIONS. 



Ceratum Resince. Resin Cerate. (U. S. P.) 

 Synonym. — Basilicon ointment. 

 Resin, 350 ; yellow wax, 150 ; lard, 500. 



Emplastrum Resince. Resin Plaster. (U. S. & B. P.) 

 Synonym, — Adhesive plaster. 

 Resin, 140 ; lead plaster, 800 ; yellow wax, 60. 



ACTION AND USES OF RESIN. 



Besin is a local stimulant and antiseptic externally. The 

 cerate is an excellent preparation for burns, wounds, ulcers, 

 a-nd abraded surfaces. The fumes arising from burning resin 

 (on a hot shovel) are said to be of value when inhaled in 

 chronic or subacute bronchitis. 



