4.1.2.48	25	-	40°C, 15 min, 50% loss of activity	
4.1.2.48	50	-	15 min, enzyme retains only 25% of activity	
4.1.2.48	60	-	1 h, stable	
4.1.2.48	60	-	the residual L-TA activity after a heat treatment for 20 min at 60°C is 10.6%	
4.1.2.48	63	-	the half-life of the wild type L-TA at 63°C is 1.3 min