peptinogan

例句：

1. 1.Peptinogan is a key enzyme in the digestion process.
   肽酶是消化过程中的关键酶。
2. 2.The peptinogan plays a crucial role in the immune system.
   肽酶在免疫系统中起着至关重要的作用。
3. 3. The discovery of peptinogan has revolutionized the field of biochemistry.
   肽酶的发现已经彻底改变了生物化学领域。