KBC 2023| Which of these is an enzyme that mainly breaks down protein during digestion? By Ritika Shekhawat - October 26, 2023 KBC 2023, Amitabh Bachchan. (Representative Image) KBC 2023, Which of these is an enzyme that mainly breaks down protein during digestion? A. Amylase B. Trypsin C. Adrenalin D. Thrombin The answer is B. Trypsin