Significance of 1, 1-diphenyl-2-picrylhydrazyl (DPPH)
Synonyms: Stable free radical, Antioxidant assay, Colorimetric reagent
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The concept of 1, 1-diphenyl-2-picrylhydrazyl (DPPH) in scientific sources
1, 1-diphenyl-2-picrylhydrazyl (DPPH) is a crucial molecule for assessing antioxidant properties, measured by its radical scavenging capacity, with higher antioxidant concentration increasing DPPH scavenging percentages in various assays.
From: World Journal of Pharmaceutical Research
(1) A stable nitrogen-centered free radical used in assays to evaluate the scavenging ability of antioxidants, which T. conoides effectively inhibited.[1] (2) A chemical compound used to assess the antioxidant activity of extracts by measuring the scavenging effect on DPPH free radicals.[2] (3) A chemical compound used in assays to evaluate the antioxidant activity of plant extracts by measuring their ability to scavenge free radicals.[3]
From: AYU (Journal of Research in Ayurveda)
(1) An assay used to evaluate the antioxidant capacity of a substance based on its ability to scavenge DPPH radicals.[4] (2) A molecule used to evaluate the antioxidant properties of compounds, where the percentage scavenging of the DPPH radical increases with the concentration of the antioxidant.[5]