Illustrated Glossary of Organic Chemistry

Mutarotation: The change in optical rotation as a monosaccharide reaches equilibrium between its α and β anomers.



α-D-glucopyranose [α] = +112.2^o	Equilibrium mixture [α] = +52.5^o 64% β and 36% α	β-D-glucopyranose [α] = +18.7^o