Microbiology General aea8c858 Tyndallization involves steaming at A 100°C for 20 min for 3 consecutive days B 121°C for 15 min for 3 consecutive days C 126°C for 2 mins for 3 consecutive days D < 100°C for 20 mins High-Yield Explanation Tyndallization involves steaming at 100°C for 20 minutes for 3 consecutive days. Used for sterilization of gelatin and egg serum or sugar contaning media.