At What Temperature Does Amylase Denature?

At What Temperature Does Amylase Denature? Beta-amylase: Beta-amylase is most active in the range between 140 and 149 °F (60–65 °C) and is rapidly denatured above 160 °F (71 °C), even though it survives to a minimal extent up to 167 °F (75 °C). What happens to amylase at high temperature? At the optimum temperature