Sustainable synthesis of silver nanoparticles via hordeum vulgare seed extract: catalysis, antioxidant, anti-cancerous and antimicrobial potential by Priya Gupta, Hira Ilyas, D. S. Raghav, Sudha Tomar

“…Antioxidant evaluation using the DPPH assay showed strong radical scavenging potential with an IC₅₀ value of 23.46 ± 0.04 µg/mL. …”
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Harvest time and soil-plant relationship effects on phytochemical constituency and biological activities of psidium guajava L. leaves by Amal M. El-Feky, Mohamed A. E. AbdelRahman

“…For biological evaluation, guava leaves harvested in March demonstrated strong scavenging effect on DPPH and ABTS radicals, and considerable inhibition of carbohydrate-metabolizing enzymes (α-amylase, α-glucosidase, and β-galactosidase) in a dose-dependent manner. …”
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Physical, chemical, and microbiological evaluation of antiaging and antibacterial face serum preparations from gotu kola extracts (Centella asiatica L.) by Latirah Latirah, Priyanto Dwi Nugroho

“…Organoleptically, the sample had a fresh smell, greenish color, and soft texture, with pH between 5.0-5.5; specific gravity 1.08 g/mL-1.09 g/mL; spreadability 7.0-7.5 cm; stickiness 1.070 more than 2 minutes; viscosity between 1.200-5.100 cP. The antioxidant test DPPH method had an IC50 value 8.79-20.34 ppm, and the FRAP method had an AAE/g of 0.06099-0.08017 mg AAE/g. …”
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Bendrojo polifenolinių junginių kiekio ir antioksidacinio aktyvumo nustatymas fermentuotuose siauralapio gauromečio (Chamerion angustifolium L.) lapuose by Irena Čerčikienė, Jolanta Jurkevičiūtė, Ingrida Radveikienė

“…Bendras polifenolinių junginių kiekis siauralapio gauromečio lapų ekstraktuose nustatytas Folin-Ciocalteu spektrofotometrijos metodu, o antioksidacinis aktyvumas nustatytas 2,2-difenil-1-pikrilhidrazilo (DPPH·) radikalų surišimo metodu. Tyrimu nustatyta, kad bendras polifenolinių junginių kiekis ir antioksidacinis aktyvumas fermentuoto siauralapio gauromečio lapuose priklauso nuo kietafazės fermentacijos trukmės. …”
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Zinc Sulfate Stress Enhances Flavonoid Content and Antioxidant Capacity from Finger Millet Sprouts for High-Quality Production by Xin Tian, Jing Zhang, Zhangqin Ye, Weiming Fang, Xiangli Ding, Yongqi Yin

“…As a stress response, ZnSO₄ stress enhances the antioxidant system by increasing antioxidant capacity (ABTS, DPPH, and FRAP), antioxidant enzyme activity (POD and SOD), and related gene expression (<i>POD</i>, <i>CAT</i>, and <i>APX</i>) in sprouts. …”
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Antimicrobial, antioxidant and anticancer activities of gold nanoparticles green synthesized using Mangifera indica seed aqueous extract by Savan Donga, Gopala Ram Bhadu, Sumitra Chanda

“…Seeds of M. indica instead of discarding can be successfully utilised for AuNPs synthesis which can be used as a natural source of antimicrobial, antioxidant and anticancer agent.HighlightsGreen synthesis of gold nanoparticles (AuNPs) from fruit (Mangifera indica) waste (seed).Characterisation using various spectroscopic techniques: UV-Vis spectroscopy, Zeta potential, FTIR, XRD and TEM analysis.Synthesized AuNPs were round, triangle and irregular in shape and 19.45 nm in size.Antimicrobial activity of AuNPs against 14 microorganisms.Antioxidant activity of AuNPs in terms of DPPH, SO and ABTS.Cytotoxic activity against HeLa, MCF-7 and fibroblast normal cell lines.…”
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Comparative evaluation of antimicrobial, antibiofilm, antioxidant, antiviral, and antidiabetic activities of copper oxide nanoparticles biofabricated via Opuntia ficus indica by Mohamed K. Y. Soliman, Salem S. Salem

“…The antimicrobial potency of produced CuO-NPs was assessed against four Gram-positive and four Gram-negative pathogenic bacteria, as well as uniـcellular fungi, revealing inhibition-zones ranging from 18 to 24 mm and a minimum inhibitory concentration (MIC) between 62.5 and 500 µg/mL. The DPPH was utilised to investigate the free-radical scavenging ability of CuO-NPs at various concentrations, revealing a notable antioxidant capacity with an IC50 of 165.5 µg/ml. …”
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Harnessing the antioxidant and cytoprotective power of Aitchisonia rosea: phytochemical insights and mechanistic validation by Loai Aljerf, Abdullah H. Maad, Shahid Rasool, Muaaz Alajlani

“…Various solvent extracts, particularly methanol, ethyl acetate, and n-butanol fractions, along with the essential oil, demonstrated potent antioxidant activities across multiple assays including radical scavenging (DPPH), reducing power (FRAP), and Trolox equivalent antioxidant capacity (TEAC), indicating significant free radical neutralisation capabilities. …”
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Cyclodextrin-Based Systems of <i>Cetraria islandica</i> Extracts: A Novel Approach to Improve Solubility and Biological Activity of Lichen-Derived Natural Products by Elżbieta Studzińska-Sroka, Karolina Cichoracka, Natalia Rosiak, Andrzej Miklaszewski, Marcin Szymański, Judyta Cielecka-Piontek

“…Biological activity was evaluated using cell-free assays: a Folin–Ciocalteu analysis, DPPH test, acetylcholinesterase, butyrylcholinesterase, and tyrosinase inhibitions. …”
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Insights into the pharmaceutical properties of green fabricated Iron oxide nanoparticles by H. N. K. AL-Salman, Qutaiba A. Qasim, Basil A. Abbas, Adel J. Hussein, Falah Hassan Shari, Majid S. Jabir, Mansour K. Gatasheh, Ammar AL-Farga, Hayder Adnan Fawzi

“…Antibacterial efficacy was examined against S. aureus and E. coli utilizing a disk-diffusion methodology. The DPPH assay was employed to evaluate antioxidant activity. …”
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Green synthesis of magnetic silver/zinc/iron nanocomposite mitigates detrimental effects of polymethyl methacrylate nanoplastics and Arsenic and ameliorates biochemical composition... by Sevda Alizadeh, Latifeh Pourakbar, Sina Siavash Moghaddam

“…Both As and PMMANPs increased total phenol content (TPC), total flavonoid content (TFC), and DPPH radical scavenging activity. They also increased hydrogen peroxide (H2O2) and malondialdehyde (MDA) content. …”
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Effects of Four Yeasts on the Quality of Kiwifruit Wine Made Using Different Cultivars by Shuo ZENG, Xinyu GUO, Dongsheng NIU, Feng LI

“…The wine fermented with VIC yeast from Huayou kiwifruit had the highest total phenolic content (1140.11 mg GAE/L) and exhibited strong DPPH radical scavenging activity (96.46%). The wine fermented with BV818 yeast from Huayou kiwifruit had the highest total flavonoid content (1186.80 mg RE/L) and demonstrated a strong ferric ion reducing power (10.34 mmol Trolox/L), while the BV818-fermented wines also showed a strong ability to scavenge the ABTS+ radical. …”
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Antimicrobial and antioxidant properties of Boswellia sacra resin: extraction, evaluation, and formulation into a topical cream for dermatological applications by Abdulhakim Al-Saban, Abdullah H. Maad, Ali Salman Al-Sham, Ali Salman Al-Sham, Hammood Mohamed Saad

“…The well diffusion method was used to evaluate the antibacterial activity against Escherichia coli, Bacillus cereus, Pseudomonas aeruginosa, and Staphylococcus aureus. The DPPH radical scavenging test was used to determine antioxidant activity. …”
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Polyol-based ultrasound-assisted extraction: Unlocking the anti-tyrosinase and anti-melanogenesis potential of Vitex trifolia Linn. Leaves by Nuntawat Khat-Udomkiri, Panthipa Petsringoen

“…The selected UAE conditions: 50 % (w/v) propylene glycol, 1:50 solid-to-solvent ratio, ultrasonic power level 9-, and 60-min extraction, yielded a total phenolic content of 11.15 ± 0.25 mg GAE/g sample, DPPH scavenging activity of 9.08 ± 0.42 mg TE/g sample, and tyrosinase inhibition of 1.08 ± 0.09 mg KAE/g sample. …”
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Anti‐Inflammatory/Antioxidant Features of Adipose Tissue Mesenchymal Stem Cells Conditioned Media for Doped TiO2 Nanoparticles in Induced Inflammation by Ahmed A. Abd‐Rabou, Ahmed M. Youssef, Mohamed I. El‐Khonezy, Soheir E. Kotob, Mohamed S. Kishta

“…In vitro assays reveal decreasing in hydroxyl radical scavenging and DPPH radical scavenging activities with LPS, while treatments significantly increase the activity compared to LPS. …”
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Preparation and Characterization of D-Carvone-Doped Chitosan–Gelatin Bifunctional (Antioxidant and Antibacterial Properties) Film and Its Application in Xinjiang Ramen by Cong Zhang, Kai Jiang, Yilin Lin, Rui Cui, Hong Wu

“…FTIR and SEM confirmed that ≤2% D-carvone uniformly bonded with the substrate through hydrogen bonds, and the film was dense and non-porous. In addition, the DPPH scavenging rate of the 1–2% D-carvone composite film increased to about 30–40%, and the ABTS⁺ scavenging rate increased to about 35–40%; the antibacterial effect on Escherichia coli and Staphylococcus aureus increased by more than 70%. …”
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Structural properties evaluation of extracted date fruit (Phoenix dactylifera L.) juice at different extraction temperatures by Afna Thaivalappil Abdul Asiz, Mohammed Tarique, Hassan Abdalla, Oni Yuliarti

“…The juice TPC content increased significantly (p < 0.05) with extraction temperatures, from 6.45 µg GAE/mL (25 °C) to 34.93 µg GAE/mL (90 °C). DPPH antioxidant activity showed a slight improvement, as indicated by reduced IC₅₀ values. …”
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Synthesis and Molecular Modeling of Antioxidant and Anti-Inflammatory Five-Membered Heterocycle–Cinnamic Acid Hybrids by Konstantinos Theodoridis, Eleftherios Charissopoulos, Dimitra Tsioumela, Eleni Pontiki

“…All the synthesized derivatives have been studied for their ability (a) to interact with the free radical DPPH, (b) inhibit lipid peroxidation induced by AAPH, and (c) inhibit soybean lipoxygenase. …”
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Green solvent-based extraction of Cannabis sativa L. by-products: enhancing antioxidant potential and cannabinoid enrichment using MCT oil by Nipaporn Meepun, Ubonta Sommart, Oraporn Bualuang

“…Antioxidant assays revealed that IE-extracted sugar leaf oil showed superior activity, with increases of 3.16-fold (DPPH), 0.32-fold (ABTS), 6.18-fold (FRAP), and 3.89-fold (1,10-phenanthroline) compared to UAE. …”
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Unlocking Reishi’s secrets: nutritional and medicinal traits of Ganoderma lucidum isolated from tree bark in Egypt by Ramy M. Shady, Mona H. El-Gayar, Eman El-Gebaly, Hatem S. Abbass, Mahmoud A. Yassein

“…On studying the antioxidant capacity of GLWE by using DPPH and ABTS, a potential activity with IC50 values of 23.69 ± 0.85 and 14.79 ± 0.92 µg /mL, respectively, were obtained. …”
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