Cellobiose

Organic compound

Cellobiose is a kind of organic compound , chemical formula is C twelve H twenty-two O eleven , white crystalline powder, is the product of cellulose hydrolysis and the basis of cellulose Structural unit , cannot be Maltase Hydrolysis, which can be Bitter almond enzyme Hydrolysis is a kind of reducing sugar 。

There is no free cellobiose in nature ethanol Fine crystalline cellobiose can be obtained in aqueous solution（ vacuum drying After), its relationship with cellulose is similar to malt dust Like starch, two molecules of D - (+) can be obtained after hydrolysis- glucose The difference is that maltose is α- Glucoside And cellobiose is β - glucoside.

Chinese name: Cellobiose
Foreign name: D(+)-Cellobiose
Alias: 4-O - β - D-grape Pyran Glycosyl-D-green Pyranose
molecular weight: three hundred and forty-two point three
Molecular formula: C twelve H twenty-two O eleven

CAS login number: 528-50-7
EINECS login number: 208-436-5
Melting point: 239 ℃
Boiling point: 397.76 ℃
Density: 1.4149 g/cm³
Appearance: White crystalline powder

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Chinese name

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D-cellobiose

English name

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D(+)-Cellobiose

System name

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4-O-β-D- Grape Pyran Glycosyl-D-green Pyranose , molecular formula C12H22O11 。

Character function

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White crystalline powder

Cellobiose molecule has one Semiacetal hydroxyl , can be restored Fehling's solution , the optical rotation changes in the aqueous solution, Specific rotation +36.4 ° (15 hours). It cannot be Maltase Hydrolysis, which can be Bitter almond enzyme Hydrolysis.

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