K. G. TALK AND G. McGUIRE 



603 



Long continued treatment with alcohol appeared to inactivate the 

 enzyme. These preparations were not studied further since the con- 



2 4 6 8 10 12 14 16 18 20 22 24 

 Time in hours 



Fig. 2. Time-action curves of soluble sucrase preparation; (o) 2.5 per cent and 

 {h) 5.0 per cent sucrose solutions. 



version of soluble into insoluble sucrase preparation in a different 

 way appeared to be of more direct interest. 



