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A. I. RINGER AND EMIL J. BATJMANN 



CH 2 OH 



Glucose Radical 



CHjGE 



Fructose Radical 



Sucrose or Cane Sugar 

 (Neither aldehyde nor ketone functional) 



CH 2 OH 



Glucose Radical 



CH 2 



Glucose Radical 



Maltose 

 (One aldehyde radical free and functional) 



CH 2 OH 



Galactose Radical 



CH 2 



Glucose Radical 



Lactose 

 (One aldehyde radical free and functional) 





