What trysin
It would help if you proofread your questions before you posted them.
trypsin?
https://www.google.com/search?client=safari&rls=en&q=trypsin&ie=UTF-8&oe=UTF-8
trypsin?
https://www.google.com/search?client=safari&rls=en&q=trypsin&ie=UTF-8&oe=UTF-8