1114 Wisconsin Academy of Sciences, Arts, and Letters. 
Table 116 —Ash contents of commercial oleoresins. 
Sample 
No. 
Date 
Observer 
Source 
Per cent, 
of ash 
Foreign con¬ 
stituents 
1. 
1916 
DuMez. 
Sharp Sr. Drib imp 
0.09 
Copper 
Acid number: The acid numbers obtained for the oleoresins 
prepared with acetone and ether were found to be 9.3 and 9.2, 
respectively, indicating that the difference in the nature of the 
two solvents has but little influence on the value of this con¬ 
stant. The high value found for the sample obtained from 
Sharp & Dohme is thought to be due to the hydrolysis of some 
of the glycerides, and, therefore, to indicate an old preparation, 
or one that has been prepared from old deteriorated drug. The 
acid numbers obtained for the oleoresins examined, also those 
found for the so-called liquid apiols, are given in the tables 
which follow. 
Table 117 —Acid numbers of oleoresins prepared in the laboratory. 
Sample 
No. 
Date 
Observer 
Solvent 
- 1 
Acid 
number 
1 
1916 
DuMez. 
Acetone. 
9 3 
2 
Ether... 
9.2 
Table 118 —Acid numbers of commercial preparations. 
Sample 
No. 
Date 
Observer 
Source 
Acid 
number 
l 
1016 
Dn Mp.z. 
Merck & Co. 
12.1 1 
2 
Sharp & Dohme. 
50.5 
3 
Squibb & Sons. 
58.5 a 
1 Apiol, Fluid, Green. 
Saponification value: The saponification values of the oleo¬ 
resins prepared in the laboratory, using ether and acetone as 
menstrua for extracting the drug, were found to be 158.5 and 
165.6, respectively. The high value (181.6) obtained for Sharp 
