Pepsin: solution of small shreds of fresh fibrin in acid media.
Rennin: curdling of milk in moderate excess.
Trypsin: solution of small shreds of fresh fibrin in neutral and alkaline media, and tryptophan test.
Lipase: coloration of litmus-milk; exact color controls.
All tests were suitably controlled. The responses for pepsin were weak even when compared with those of old pepsin preparations.
In the table above, the interrogation points in parentheses (?) refer to results that were obtained after treatment for from twelve to twenty-four hours and indicates that the change was slight at best and of no practical import.—(From The Journal A. M. A., Oct. 23, 1915, with additions.)
IODUM-MILLER AND IOD-IZD-OIL (MILLER’S)
Report of the Council on Pharmacy and Chemistry
The Council adopted the following report and authorized its publication.