Green synthesis of silver nanoparticles using Pyrostegia venusta extract, characterization and estimation of antioxidant, antiglycation and anti-aging activities by Regildo Márcio Gonçalves da Silva, Pedro Augusto Pereira Rosatto, Isabelly do Nascimento Pereira, Laura Camargo Zibordi, Hugo Henrique Santos, Filipe Oliveira Granero, Célia Cristina Malaguti Figueiredo, Patrícia Soares Santiago, Carlos Augusto Prata Gaona, Nilson Nicolau-Junior, Luciana Pereira Silva

“…Evaluation of antioxidant potential was performed by DPPH radical scavenging, FRAP, TBARS, ORAC, and oxidative hemolysis analysis. …”
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Integrative metabolomics and system pharmacology reveal the antioxidant blueprint of Psoralea corylifolia by Abdul Bari Shah, Ki Yong Lee

“…In this study, the methanolic extract of P. corylifolia was initially screened for its antioxidant capacity using multiple in vitro assays, including 2,2-Diphenyl-1-picrylhydrazyl (DPPH), Ferric Reducing Antioxidant Power (FRAP), 2,2′-Azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), and Oxygen Radical Absorbance Capacity (ORAC) assays. …”
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Effects of Natural Fermentation Time on Chemical Composition, Antioxidant Activities, and Phenolic Profile of Cassava Root Flour by Oluwaseun Peter Bamidele

“…Antioxidant activities improved significantly; total antioxidant capacity surged from 23.50 µmol TE/g to 69.81 µmol TE/g over the 48 h fermentation period, based on ABTS, DPPH, and FRAP assays. Protein content also improved significantly, increasing from 1.82% to 3.10%, while the hydrogen cyanide content declined from 25.14 mg/100 g to 5.34 mg/100 g, signifying reduced nutritional risk. …”
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The Role of Oleuropein, Derived from Olives, in Human Skin Fibroblast Cells: Investigating the Underlying Molecular Mechanisms of Cytotoxicity and Antioxidant and Anti-Inflammatory... by Vahid Asghariazar, Fatemeh Vahidian, Arash Karimi, Soheil Abbaspour-Ravasjani, Behzad Mansoori, Elham Safarzadeh

“…Moreover, oleuropein’s possible free radical scavenging properties were studied through several methods, including the 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and ABTS tests. The scratch assay was performed for wound-healing features, and qRT-PCR evaluated the expression of apoptosis-associated genes. …”
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Chemical composition and physiological bioactivities of Stiefia multicaulis (Vahl) Soják Vahl grown in Palestine by Belal M. Rahhal

“…In addition, the antioxidant activity was assessed using a 2,2-diphenyl-1-picrylhydrazyl (DPPH) assay. Results: The screening methods of pharmacopeias revealed that S. multicaulis contains a wide range of secondary metabolites, especially tannins. …”
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Evaluation of antioxidant properties and nutritional composition of purslane (Portulaca oleracea) from arid regions by K. Makangali, T. Tultabayeva, G. Tokysheva, A. Shoman, V. Kiyan, S. Abzhanova, D. Aiken, D. Amirkhanova, G. Zamaratskaia

“…The antioxidant capacity of purslane was assessed using the Ferric Reducing Antioxidant Power (FRAP) assay, yielding values of 43.5 ± 1.0 mg GAE g-1 dry weight, and DPPH radical scavenging activity, with a value of 83.8% at a concentration of 200 mcg/ml. …”
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Anti-diabetic potential of anthocyanin-rich fractions from purple-wheat (Triticum aestivum L.) cultivars and their correlation with metabolite profiles by Ye Jin Choi, Joong-Hyuck Auh

“…Antioxidant capacity was evaluated by measuring the total polyphenol content and analyzing DPPH, ABTS, ORAC, and ROS levels. Antidiabetic activity was determined through α-glucosidase inhibition and glucose uptake in insulin-resistant HepG2 cells. …”
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EXPLORING THE ANTIOXIDANT ACTIVITY OF Eugenia uniflora L. EXTRACTS: A COMPARATIVE APPROACH BY DIFFERENT TECHNIQUES by Vinicius Monteiro Schaffka, Cássia Gonçalves Magalhães, Romaiana Picada Pereira

“…In this study, the composition profile (total phenolic content (TPC), total flavonoid content (TFC), gas chromatography-mass spectrometry (GC-MS), and ultra-performance liquid chromatography-mass spectrometry (UPLC-MS) fingerprint) and antioxidant activity (by chelating effect, phosphomolybdenum, 2,2-diphenyl-1-picrylhydrazyl (DPPH), 2,2’-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS), hypochlorous acid (HOCl), ferric reducing antioxidant power (FRAP), and cupric reducing antioxidant capacity (CUPRAC) assays) of the extracts from three specimens of pitangueira (EU1, EU2, and EU3) obtained at different pH values were compared. …”
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Phytochemistry of Centaurea saligna: silver nanoparticle synthesis, quantification of natural compounds, antioxidant and antibacterial activity by Esma Nur Gecer

“…Scutellarin (8.67 mg/g extract), shikimic acid (3.97), and chrysin (2.67) were found as major compounds by LC–MS/MS. In DPPH radical scavenging activity, AgNPs@cs displayed an excellent effect (IC50, μg/mL, 9.27 ± 0.14) in association to BHT (12.45 ± 0.41, IC50, μg/mL). …”
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Arabian Primrose leaf extract mediated synthesis of silver nanoparticles: their industrial and biomedical applications by Shruti Nindawat, Veena Agrawal

“…The synthesised AgNPs possessed high anti-oxidant potential against DPPH and H2O2 radicals. Incidentally, the AgNPs acted as excellent nanocatalyst towards borohydride reduction and degradation of structurally different organic dyes. …”
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Comparative nutritional profile, fatty acid composition and in-vitro antioxidant properties of flour derived from four edible winged termite species from Uganda by Babirye Khadijah, Ammar Ahmad Khan, Shahrul Razid Sarbini

“…P. spriniger exhibited the significantly highest DPPH activity (56.27%) whereas M. bellicosus and O. lateritius showed the highest total phenolic content. …”
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Encapsulation of polyphenol rich extract from rambutan (Nephelium lappaceum L.) peel for application as dual functional ingredient in ice cream by Supakchon Klongdee, Wattinee Katekhong, Weerachet Jittanit, Shingo Matsukawa, Utai Klinkesorn

“…An encapsulant system containing maltodextrin (49.85 wt%) and rice starch (49.85 wt%) in the presence of tamarind polysaccharide (0.3 wt%) was optimal for the fabrication of polyphenol microcapsules with favorable physicochemical characteristics, high encapsulation efficiency (∼85−87%), and high antioxidant activities (159.2 and 1793.2 mmol Trolox/g for DPPH and ABTS, respectively). Ice cream products added with 1 wt% rambutan peel polyphenol microcapsules enhanced the melting rate and antioxidant activity compared with the standard formula. …”
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Khảo sát thành phần hóa học và hoạt tính sinh học của tinh dầu củ nghệ đen (Curcuma zedoaria (Berg.) Roscoe) by Nguyễn Thị Bích Thuyền, Nguyễn Văn Hiếu, Phạm Quốc Thịnh, Nguyễn Việt Nhẫn Hòa, Lê Đức Duy

“…Kết quả thử hoạt tính kháng oxy hóa bằng phương pháp DPPH cho biết tinh dầu củ nghệ đen có khả năng kháng gốc tự do với giá trị IC50 = 289,369 ± 0,003  µg/mL. …”
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Synthesis, Characterization, and Antioxidant Studies of Novel Cu(II) and Ni(II) Homo Binuclear Complexes with N,N’-bis(Benzamidothiocarbonyl) Hydrazine Ligand Derivatives by Huner S. Abdulmanaf, Bashdar I. Meena

“…Antioxidant activity was assessed via the DPPH radical scavenging assay, revealing that the metal complexes exhibited enhanced radical scavenging capacity compared to the free ligands, likely due to increased delocalization and metal ion involvement in electron transfer. …”
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Pengaruh Bentuk Sediaan terhadap Potensi Antioksidan Ekstrak Etanol Daun Sirsak (Annona muricata L.) dalam Sistem Nanopartikel by Malinda Prihantini, Nopbrillian Fine Setya, Anisa Rizki Amelia, Tsabita Udkhiya Zulfa

“…Evaluasi aktivitas antioksidan dilakukan dengan mereaksikannya dengan DPPH, dan didapatkan nilai IC50 sediaan losion pada (F1) 83,34±0,130; (F2) 74,69±0,131; dan (F3) 64,26±0,129 bpj, sedangkan nilai IC50 krim sebesar (F1) 84,32±0,133; (F2) 75,35±0,130; dan (F3) 63,74±0,120 bpj. …”
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Antimicrobial potential and alleviation of arsenic toxicity in human lymphocytes by bacterioruberin and selenium nanoparticles from Haloferax alexandrinus GUSF-1 (KF796625) by Jyothi Alvares, Sanket Gaonkar, Avelyno D’costa, S. K. Shyama, Irene Furtado

“…The results showed the dose-dependent activity of BR and SeNPs against pathogens and more than 50% DPPH radical scavenging activity as well as reduced DNA damage in human lymphocytes associated with arsenic. …”
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Artificial intelligence-assisted optimization of Eichhornia crassipes extracts and evaluation of their biological activities by Nuh Korkmaz

“…The obtained extracts showed statistically significantly higher values ​​compared to RSM in terms of antioxidant capacity (FRAP: 152.89 mg TE/g; DPPH: 121.48 mg TE/g), total phenolic content (TPC: 209.47 mg GAE/g) and flavonoid content (TFC: 263.86 mg QE/g). …”
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Anti-tyrosinase activity of Curcuma aromatica ethyl acetate extract: from lead diarylheptanoids to melanogenesis targets by Chau Dieu Bui, Thuan-Thien Dinh, Thang Truong Le, Thuan Van Tran, Chau Dao Minh Huynh, Tho Huu Le, Nhan Trung Nguyen, Mai Thanh Thi Nguyen, Hai Xuan Nguyen, Truong Nhat Van Do, Hieu Tran-Van

“…Results Spectrophotometric analysis of its ethyl acetate extract revealed significantly high phenolic content, with 2,2-diphenyl-1-picrylhydrazyl (DPPH) and ferric reducing antioxidant power (FRAP) assays confirming strong antioxidative activity. …”
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In Vitro Antioxidant Properties of Mitratonic Remedy in Tea Form and In Vivo Protection Against Methanol-Induced Oxidative Stress in Wistar Rats by Acharaporn Issuriya, Sineenart Sanpinit, Surasak Limsuwan, Jo Aan Goon, Palika Wetchakul

“…Results demonstrated remarkably strong antioxidant properties, with notable DPPH scavenging activity (0.40 mg/mL) and high ferric-reducing antioxidant power (FRAP: 2551.95 mM FeSO4 equivalent/mg sample). …”
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Fermentation to Increase the Value of Roasted Coffee Silverskin as a Functional Food Ingredient by Nadia Guzińska, Maria Dolores del Castillo, Edyta Kordialik-Bogacka

“…Antioxidant capacity improved by approximately 28% (ABTS) and 20% (DPPH). Moreover, the fermented RCSS supported the viability of probiotic strains (<i>Saccharomyces boulardii</i> SB01 and <i>Levilactobacillus brevis</i> ŁOCK 1152) under simulated intestinal conditions. …”
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