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Glossary2,2-Diphenyl-1-picrylhydrazyl (DPPH)

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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research Evaluation of Comparative Antioxidant Potential of Four Cultivars of Hibiscus Rosa-Sinensis L. by HPLC-DPPH Method

13 citations , October 2012 in “Free Radicals and Antioxidants”

The red Hibiscus rosa-sinensis flower has the highest antioxidant activity.

research Ultrasonic-Assisted Extraction and In-Vitro Antioxidant Activity of Polysaccharide from Hibiscus Leaf

59 citations , August 2014 in “International Journal of Biological Macromolecules”

The study found an efficient method to extract antioxidants from Hibiscus leaves.

research Pharmacognostic Evaluation and Antioxidant Activity of Urtica Dioica L.

32 citations , January 2012 in “Chinese Medicine”

Urtica dioica (stinging nettle) is a potential natural antioxidant for medicinal and cosmetic use.

research Potent Antioxidative And UVB Protective Effect Of Water Extract Of Eclipta Prostrata L.

31 citations , January 2014 in “The Scientific World JOURNAL”

Eclipta prostrata extract protects skin cells from UVB damage and has strong antioxidant properties.

research Assessment of the Anti-Hair Loss Potential of Camellia Japonica Fruit Shell Extract In Vitro

10 citations , November 2022 in “International Journal of Cosmetic Science”

Camellia japonica fruit shell extract may help reduce hair loss by promoting hair cell growth and reducing stress effects.

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