Page 44 - 01 CARBOHYDRATES for TCM
P. 44

Reduction of Fehling’s solution







           The test is commonly used for reducing sugars but is known to be NOT specific for aldehydes.


           A positive test is indicated by a green suspension and a red precipitate.





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          Reducing sugar includes all monosaccharide and oligosaccharide such as lactose, maltose,


               cellobiose, and gentiobose.

          Non reducing sugar such as sucrose, trehalose, and polysaccharide.
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