1854 7 153 This crystalline body the author [W. Marcet] proposes to call Excretine.
1889 H. F. Morley & M. M. P. Muir (rev. ed.) II. 530/1 Excretin C20H36O. Obtained by exhausting fresh excrements with boiling alcohol and leaving the solution to stand for a week..100 pounds of fresh excrements yielded 8 grams of pure excretin.