MadSci Network: Biochemistry

Re: fructose is reducing sugar because under alkaline condition fructose is converted into glucose

Date: Fri Mar 17 20:00:17 2006
Posted By: Artem Evdokimov, Research Scientist
Area of science: Biochemistry
ID: 1142441771.Bc

Fructose and glucose are freely interconvertible at alkaline conditions due to keto-enol tautomerism. If you take pure glucose OR pure fructose and expose them to alkali, the glucose and fructose establish an equilibrium, i.e. after a while the concentrations of both substances reach a point where they remain stable (unless external conditions change). Acidifying the solution will not cause any further change in the ratio of fructose to glucose.

http://www.uni- Fehling-e.htm

Artem G. Evdokimov

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