Page 44 - 01 CARBOHYDRATES for TCM
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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.