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Reducing sugar

Definition

noun

A sugar that serves as a reducing agent due to its free aldehyde or ketone functional groups in its molecular structure.


Supplement

Examples are glucose, fructose, glyceraldehydes, lactose, arabinose and maltose, except for sucrose.

Benedict’s reaction is used to determine the presence of a reducing sugar, i.e. when a mixture contains sugar it will turn green/orange/red after this test – an indication that the reducing sugar is present in the mixture.


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Re: fructose as a monomer for a polysaccharide

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fructose as a monomer for a polysaccharide

agree, the fructose is able of some rearrangement, so it is reducing sugar

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by JackBean
Tue Nov 22, 2011 9:16 pm
 
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Topic: fructose as a monomer for a polysaccharide
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Re:

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by Maatomaat
Tue Nov 22, 2011 11:57 am
 
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Re: fructose as a monomer for a polysaccharide

Fructose is what carbohydrate chemists call "non-reducing" Fructose is a reducing sugar (ketone group)... That's news to me. Please show me this reducing ketone group? please see ...

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by Maatomaat
Tue Nov 22, 2011 11:38 am
 
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