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    Did you mean 2,2-Diphenyl-1-picrylhydrazyl?
    Glossary2,2-Diphenyl-1-picrylhydrazyl

    stable free radical used to measure antioxidant capacity

    2,2-Diphenyl-1-picrylhydrazyl, commonly known as DPPH, is a stable free radical used in scientific research to measure the antioxidant capacity of substances. When antioxidants are present, they can neutralize the DPPH radical, causing a color change that can be quantitatively measured, making it a useful tool for evaluating the effectiveness of potential antioxidant compounds.

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