Du Mez—The Galenical Oleoresins. 
975 
1900 
Oleoresina Aspidii 
Oleoresin of Aspidium 
Aspidium, 1 recently 2 reduced to No. 
40 powder, 3 five hundred grammes 
. 500 Gm. 
Acetone, 4 a sufficient quantity. 
Introduce the Aspidium into a cy¬ 
lindrical glass percolator, provided 
with a stop-cock, and arranged with a 
cover and a receptacle suitable for 
volatile liquids. 5 Pack the powder 
firmly and percolate slowly with ace¬ 
tone, added in successive portions, 
until the Aspidium is exhausted.* 
Recover 7 the greater part of the ace¬ 
tone from the percolate by distilla¬ 
tion on a water-bath, and, having 
transferred the residue to a dish, al¬ 
low the remaining acetone to evap¬ 
orate spontaneously in a warm place. 8 
Keep the oleoresin in a well-stoppered 
bottle. 9 
NOTE. Oleoresin of aspidium us¬ 
ually deposits, on standing, a granu¬ 
lar crystalline substance. 10 This 
should be thoroughly mixed with the 
liquid portion before use. 11 
Average dose ...2 Gm. 
(30 grains). 
1910 
Oleoresina Aspidii 
Oleoresin of Aspidium 
Oleores. Aspid.—-Oleoresin of Male Fern 
Aspidium, 1 recently 2 reduced to 
No. 40 powder, 3 five hundred 
grammes . 500 Gm. 
Ether, 4 a sufficient quantity. 
Place the aspidium in a cylindrical 
glass percolator, provided with a 
stop-cock, and arranged with a cover 
and a receptacle suitable for volatile 
liquids. 5 Pack the powder firmly, and 
percolate slowly with ether, added in 
successive portions, until the drug is 
exhausted.* Recover 7 the greater 
part of the ether from the percolate 
by distilling on a water bath, and, 
having transferred the residue to a 
dish, allow the remaining ether to 
evaporate spontaneously in a warm 
place. 8 Keep the oleoresin in a well- 
stoppered bottle. 8 
NOTE.—Oleoresin of Aspidium, on 
standing, usually deposits a granular 
crystalline substance. 10 This should 
be thoroughly mixed with the liquid 
portion before use. 11 
Average Dose—Caution! Single 
dose, once a day, Metric, 2 Gm.— 
Apothecaries, 30 grains. 
