DPPH is a common abbreviation for the organic chemical compound 2,2-diphenyl-1-picrylhydrazyl. It is a dark-colored crystalline powder composed of stable free radical molecules.

The 2,2-Diphenyl-1-picrylhydrazyl (DPPH) is a popular, quick, easy, and affordable approach for the measurement of antioxidant properties that includes the use of the free radicals used for assessing the potential of substances to serve as hydrogen …

DPPH (2,2-diphenyl-1-picrylhydrazyl) assay The DPPH radical (DPPH) is a stable molecule soluble in methanol characterized by its deep-violet color with an absorption maximum at 515 nm.

Jul 1, 2024 · DPPH assay is a well-known method to estimate the capacity of radical scavenging of antioxidant compounds alone or in combination [6], [18], as it is recognized as a simple, cheap, and fast method with very reproducible results [6].

Since the discovery in 1922 of 2,2-diphenyl-1- (2,4,6-trinitrophenyl) hydrazyl stable free radical (DPPH ·), the chemistry of such open-shell compounds has developed continuously, allowing for both theoretical and practical advances in the free radical chemistry area.

α, α-diphenyl-β-picrylhydrazyl (DPPH) free radical scavenging method offers the first approach for evaluating the antioxidant potential of a compound, an extract or other biological sources.

From the 40+ samples evaluated under this experiment at least ten were found to be potentially powerful antioxidants. The plants from which these extracts were obtained should be further analyzed to maximize the possibility of using these in food, drug, and other medical uses.

Oct 14, 2015 · The 2,2-diphenyl-1-picrylhydrazyl (DPPH (•)) radical is approaching 100 years from its discovery in 1922 by Goldschmidt and Renn. This radical is colored and remarkably stable, two properties that have made it one of the most popular radicals in a wide range of studies.

Jul 26, 2023 · Of these, the 1,1-diphenyl-2-picrylhydrazil (DPPH) removing assay is the most putative, popular, and commonly used method to determine antioxidant ability. In this review, a general approach to the DPPH radical scavenging assay has been taken.

Apr 15, 2009 · Scavenging of DPPH free radical is the basis of a common antioxidant assay. A number of protocols have been followed for this assay resulting in variation in the results of different laboratories.