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Chapter 8: Q12. (page 243)

Identify the monosaccharides and their linkages in the following disaccharide.

Short Answer

Expert verified

The monomers in the given disaccharide are galactose and fructose. It contains 尾 (1鈫�6) glycosidic linkage.

Step by step solution

01

Identifying monosaccharides and disaccharides

The given Haworth ring structure is galactose and fructose. The monosaccharides,galactose,andfructosearecombinedto form a disaccharide called lactulose. Lactulose is a synthetic sugar used as a prebiotic ingredient.

02

Linkage formation

Galactose is an aldose, while fructose is a ketose sugar. The carbon 1 of the monosaccharide 尾 -D-galactose is involved in the glycosidic linkage with the carbon 6 of 尾-D- fructose. Thus, 尾(1-6) glycosidic linkage is formed in lactulose.

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