Reducing and Non-reducing sugar | DrRajnishChem

A reducing sugar is a sugar that has a free aldehyde or ketone that can act as a reducing agent. A non-reducing sugar does not have a free aldehyde or ketone, so it cannot act as a reducing agent.
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Benedict's Test (For Reducing Sugars)
A positive result is indicated by a color change from red or orange or blue to green, depending on the concentration of reducing sugars. Example: Glucose, fructose, and maltose are reducing sugars and would give a positive Benedict's test.

Hydrolysis Test (For Non-Reducing Sugars)
A positive result in the Benedict's test after hydrolysis indicates the presence of non-reducing sugars that have been converted into reducing sugars. Example: Sucrose is a non-reducing sugar. After hydrolysis, it breaks down into glucose and fructose, both of which are reducing sugars.

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