|MadSci Network: Biochemistry|
A number of simple tests can be used to test for the presence of carbohydrates. Benedict's solution is used to test for the presence of reducing sugars such as glucose, fructose, maltose or galactose, while Lugol's Iodine tests for the presence of starch, a complex polysaccharide. Granulated sugar contains mostly sucrose, a disaccharide consisting of glucose connected to fructose. Benedict's solution does not react with sucrose because it is not a reducing sugar.
-L. Bry, MadSci Admin
Try the links in the MadSci Library for more information on Biochemistry.
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