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Chapter 28: Question 28.30 (page 1136)

Cellobiose, a disaccharide obtained by the hydrolysis of cellulose, is composed of two glucose units joined together in a 1鈫�4-尾- glycoside bond. What is the structure of cellobiose?

Short Answer

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Answer

Cellobiose

Step by step solution

01

Cellulose

Many glucose units combine and form the plant polysaccharide cellulose. Cellulose on hydrolysis forms a disaccharide unit that is cellobiose.

02

Disaccharide

The name 鈥渄i鈥� indicates two. Saccharide means carbohydrate. So two monosaccharide units combine and form a disaccharide. Example: Cellobiose, sucrose, maltose etc.

03

Cellobiose

The structure of cellobiose consists of two glucose units joined by 1鈫�4-尾glycoside bond. It exists in the pyranose ring. Its structure is as shown below:

Cellobiose

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