Classify each of the following sugars and sugar derivatives as either reducing or nonreducing. 

(a) D-Glyceraldehyde; 

(b) D-arabinose; 

(c) β-D-arabinopyranose 3,4-acetone acetal; 

(d) β-D-darabinopyranose acetone diacetal; 

(e) D-ribulose; 

(f) D-galactose; 

(g) methyl β-D-galactopyranoside; 

(h) β-D-galacturonic acid (as shown in the margin); 

(i) β-cellobiose; 

( j) α-lactose.

Transcribed Image Text:

СООН НО H OH ОН Н H. H ОН B-D-Galacturonic acid