 Thanks for editing, Tdol
Regarding "protein ferment", please search the compound noun in google, you could found out more than 30,000 items listing there. For example:
Ivan Pavlov - Nobel Lecture
... The bread protein induces secretion of more protein ferment than the protein of milkor meat, and a corresponding phenomenon is observed in the test tube: protein of meat and milk is broken up more easily by the protein ferment than vegetable protein. ... |