renninogen

English edit

rennin +‎ -o- +‎ -gen

renninogen (uncountable)

(obsolete) Synonym of prochymosin
- 1908 July 25, W. H. Wilcox, “The importance and significance of the chemical examination of the gastric contents after a test meal, with a new method for estimating the ferment activity of the gastric contents”, in The Lancet‎^[1], page 223:
  In cases where the acidity of the gastric contents is low, and also the ferment activity, I have found that frequently most of the ferment is present as renninogen and not as rennin.