ペプシン

noun, noun which may take the genitive case particle 'no'

pepsin

A digestive enzyme that breaks down proteins in the stomach. Used in biology, medicine, and nutrition contexts.

• ペプシンは胃いの中なかでタンパク質しつを分ぶん解かいする酵こう素そです。

  Pepsin is an enzyme that breaks down proteins in the stomach.