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    Did you mean 2,2-Diphenyl-1-picrylhydrazyl?
    Glossary 2,2-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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    1. Antioxidant Capacity of Essential Oils Obtained from Myrtus communis L. and Citrus sinensis (L.) Osbeck Plants Widely Consumed in Adana Region Cumhuriyet science journal · 2023
    2. Anti-inflammatory, cyclooxygenase inhibitory and antioxidant activities of standardized extracts of Tridax procumbens L. Fitoterapia · 2010 · 61 citations
    3. A Study on the Utilization of Dendropanax morbifera Lev. Leaf Extract for Material of Functional Cosmetics and Hair Growth Products Asian journal of beauty & cosmetology · 2016 · 8 citations
    4. Research on Hair Bleach that Causes Less Hair Damage and Smells Less Pungent than Ammonium Hydroxide Cosmetics · 2018 · 2 citations
    5. Tribuloside acts on the PDE/cAMP/PKA pathway to enhance melanogenesis, melanocyte dendricity and melanosome transport Journal of ethnopharmacology · 2023
    6. Topical application of synthetic melanin promotes tissue repair npj Regenerative Medicine · 2023 · 19 citations
    7. Rosmarinus officinalis Essential Oil Increases Hair Length and Follicle Diameter of Ultraviolet B-exposed Mice Through VEGF The Indonesian Biomedical Journal · 2023
    8. Niosomal delivery of pumpkin seed oil: development, characterisation, and physical stability Journal of Microencapsulation · 2019 · 13 citations
    9. Essential oils-based nanoemulsion formulation boosts hair growth in C57BL/6 mice as compared to minoxidil 2% Discover Pharmaceutical Sciences · 2025
    10. Anti-oxidant Efficacy and Effects on Expression of Growth Factors in Human Hair Follicle Dermal Papilla Cells of Rosa multiflora Root Extracts Asian journal of beauty & cosmetology · 2017 · 6 citations
    11. Investigation on antimicrobial, antioxidant, and anti-cancerous activity of Agaricus bisporus derived β-Glucan against cervical cancer cell line Cellular and molecular biology · 2022 · 2 citations
    12. Wound Healing Effect of Supercritical Carbon Dioxide Datura metel L. Leaves Extracts: An In Vitro Study of Anti-Inflammation, Cell Migration, MMP-2 Inhibition, and the Modulation of the Sonic Hedgehog Pathway in Human Fibroblasts Plants · 2023 · 6 citations
    13. Hydroxyl radical mediates cisplatin-induced apoptosis in human hair follicle dermal papilla cells and keratinocytes through Bcl-2-dependent mechanism APOPTOSIS · 2011 · 52 citations
    14. Poster Abstracts Fundamental & Clinical Pharmacology · 2017
    15. In vivo and in vitro studies of anti-aging properties of Dendrobium sabin flower Universiti Putra Malaysia Institutional Repository (Universiti Putra Malaysia) · 2016
    16. A Disulfide‐Sticker Strategy for Marine Adhesive Coatings: From Deciphering Self‐Assembly Mechanism to Functional Application in Hair Regeneration Advanced Science · 2026
    17. Akebia quinata and Akebia trifoliata - a review of phytochemical composition, ethnopharmacological approaches and biological studies Journal of Ethnopharmacology · 2021 · 30 citations
    18. <i>Malus pumila</i> Mill. cv Annurca apple extract might be therapeutically useful against oxidative stress and patterned hair loss FEBS open bio · 2024
    19. Effects of Allium hookeri Extracts on Hair-Inductive and Anti-Oxidative Properties in Human Dermal Papilla Cells Plants · 2023 · 2 citations
    20. Lights triggered differential accumulation of antioxidant and antidiabetic secondary metabolites in callus culture of Eclipta alba L. PLoS ONE · 2020 · 64 citations
    21. Design Synthesis and Characterisation of Silver Nanoparticals using Dracaena Trifasciata Extracts International Journal For Multidisciplinary Research · 2025
    22. Vitex negundo: A comprehensive review of phytoconstituents, their derivatives, and therapeutic applications Journal of Pharmacognosy and Phytochemistry · 2025
    23. Extraction of phenolic compounds and evaluation of the antioxidant and phenolic compounds of onion (Allium cepa L.) Journal of Pharmacognosy and Phytochemistry · 2019 · 1 citations
    24. Progress in the design of ascorbic acid derivative-mediated drug delivery RSC Advances · 2025 · 1 citations
    25. Hair Growth-Promoting Activity of Hair Tonic containing Delipidated Ethanol Extract of Capsicum frutescens L. Leaves on Male Rabbit (Oryctolagus cuniculus) Research journal of pharmacy and technology · 2023
    26. 5α-Reductase type 1 inhibition of Oryza sativa bran extract prepared by supercritical carbon dioxide fluid Journal of Supercritical Fluids · 2011 · 22 citations
    27. Development of Tea Seed Oil Nanostructured Lipid Carriers and In Vitro Studies on Their Applications in Inducing Human Hair Growth Pharmaceutics · 2022 · 1 citations
    28. Encapsulation characteristics of protein hydrolysate extracted from Ziziphus jujube seed International Journal of Food Properties · 2017 · 35 citations
    29. Germinated Rhynchosia nulubilis Fermented with Lactobacillus pentosus SC65 Reduces Particulate Matter Induced Type II Alveolar Epithelial Apoptotic Cell Death International Journal of Molecular Sciences · 2021 · 13 citations
    30. Inhibition of 5α-Reductase, IL-6 Secretion, and Oxidation Process of Equisetum debile Roxb. ex Vaucher Extract as Functional Food and Nutraceuticals Ingredients 2017