E. Mutarotation

You have 100 grams of nearly pure beta-D-glucopyranose.

You dissolve this in an ethanol/water mixture with the intent to recrystallize the sugar. You get back 60 grams of pure beta-D-glucopyranose crystals. 

Choose the answer that best describes why this ~40% loss was guaranteed to happen. 


Select one:


a. cyclization 

b. lab technique 

c. reduction (reducing sugar) 

d. epimerization 

e. mutarotation