9. Which of the following descriptions regarding disaccharide is incorrect?
(A) Sucrose is α-D-glucopyranosyl
(1-2) β-D-fructopyranoside
(B) Sucrose is a non-reducing sugar
(C) Maltose has an a(1→4) linkage
(D)
Cellobiose is β-D-glucopyranosyI (1→4) β-D-glucopyranose
(E) Lactose is a reducing sugar.
【hsiao1997】評論
Which of the following descriptions regarding disaccharide is incorrect?