Question

How to find antioxidant value using dpph?

Answer 1

[ 1 - (Abs sample - Abs blanck sample)/ Abs control] x 100

Answer 2

DPPH inhibition (%)={(A0 –A1)/A0}×100 where A0 is the absorbance of control and A1 is the absorbance of test. You can follow some standard protocol as well.

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