Multiple choice

Sucrose and trehalose are categorised as the non-reducing _______.

  1. mono saccharides

  2. Oligo-saccharides

  3. Poly saccharides

  4. di-saccharides

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are two different types of di-saccharides: reducing di-saccharides, in which one mono saccharide, the reducing sugar, still has a free hemiacetal unit; and non-reducing di-saccharides, in which the components bond through an acetal linkage between their anomeric centers and neither mono saccharide has a free hemiacetal unit. Cellobiose and maltose are examples of reducing di-saccharides. Sucrose and Trehalose are examples of non-reducing di-saccharides.

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