ENERGY SUPPLY OF THE CELL 



125 



enzyme is destroyed in half an hour, and at 75°C.; 98% 

 is destroyed in ten minutes. The quicker rate of action, 

 combined with the more rapid rate of destruction, pro- 

 duces the result shown in Table 22 and in Fig. 16 

 which is a plaster model of the first five hours of Table 

 22. 



Table 22. — Amount of Salicin Decomposed by Emulsin at Various 

 Times and Temperatures, in Percentages 



Amounts calculated 



Hours 



25°C. 35°C. 45°C. 55°C. 65°C. 75°C 



1. 



2. 



3. 



4. 



5. 

 10. 

 20. 

 30. 

 40. 

 50. 



6.91 

 13.41 

 25 . 02 

 35.08 

 43 . 79 

 51.33 

 75 . 88 

 94.08 

 98.50 

 99.99 

 99.99 



8.89 

 16.45 

 30.01 

 41.22 

 50.51 

 59 34 

 81 48 

 95.72 

 98.81 

 99 . 75 

 99.98 



00 100.00 100.00 



. 0002 

 . 0002 

 0.0002 

 . 0002 

 0.0002 

 . 0002 

 0.0002 

 . 0002 

 . 0002 

 0.0002 

 0.0002 

 . 0002 



Hours 



Amounts found bv Tammann 



The physico-chemical equations are given by Tammann as 

 follows : 



