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flavonoids extraction and spectrophotometer


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#1 rin_jie

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Posted 01 February 2005 - 10:04 PM

how to tell the differences between flavone and flavonol by looking at their bands formed by spectrophotometer? what type of reagents that can show the differences well? i'm using references from jeffrey harborne and Markham but still not sure about the structure of compound that i've found

#2 Chantal

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Posted 11 March 2005 - 03:56 PM

Do you have access to an NMR instrument? If yes, that's the best way.

#3 Chantal

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Posted 11 March 2005 - 04:03 PM

By Infra Red spectoscopy you can see the stretching of the O-H sigma bond in flavonol.




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