Define reaction of glucose & fructose with fehlings reagent, Biology

Define Reaction of glucose and fructose with Fehlings reagent?

Lactose is a milk sugar. It is a reducing disaccharide having a free sugar group and can reduce Fehling's reagent. The alkali of Fehling's reagent converts lactose into the enediol, which reduces the cupric ions to cuprous ions.

2121_Reaction of glucose and fructose with Fehlings reagent.png

These cuprous ions combine with hydroxyl ions to form cuprous hydroxide, which on further heating forms red cuprous oxide. Methylene blue is used as a redox indicator.

Posted Date: 6/17/2013 5:27:03 AM | Location : United States

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