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what is the correct name of the glycosidic bond in maltose?

what is the correct name of the glycosidic bond in maltose?

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Expert Solution

Maltose is formed from the condensation of two ring-shaped glucose molecules.

When two alpha-glucopyranoses are condensed together, the alcohol group of the first carbon of one alpha-glucopyranose condenses with the alcohol group of the fourth carbon of the next alpha-glucopyranose. With one molecule of water removed, the two alpha-glucopyranoses are linked together. The chemical bond is called, more precisely, the alpha-1,4-glycosidic bond.


A maltose molecule



If glycosidic bond is formed between two beta-glucopyranose, the chemical bond is called the beta-1,4 glycosidic bond.

It can be denoted in two forms.



(2) Glycosidic bonds in sucrose

Sucrose is formed from the condensatioin between a glucose and a fructose molecule.

The alcohol group of the first carbon of the alpha glucopyranose condenses with the alcohol group of the second carbon (the carbon carrying the ketone group) of the alpha fructofuranose to become a sucrose molecule. Therefore, the chemical bond is called a alpha-1,2 glycosidic bond.

queen_honey_blossom answered 5 hours ago
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