How to chemically differentiate between glucose anf fructose?
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Try Osazone test....
add phenylhetrazine +sodium acetate + acetic acid...if yellow precipitate appears within two minutes of boiling in waterbath (needle shape crystals)then the sample is Fructose.. if yellow precipitate appears between 5 to 10 minutes of boiling in waterbath (broom shaped crystals)its glucose.
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