Antibacterial and antioxidant properties of selected Yemeni stones: potential for safe and cost-effective therapeutic applications by Wafa M. Al-Madhagi, Mohammed A. Alkhawlani, Majed Alwan, Maged Al-Najar

“…Antioxidant activity was evaluated using the DPPH radical scavenging assay, with vitamin C serving as the positive control. …”
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Anticarcinogenic cationic peptides derived from tryptic hydrolysis of β-lactoglobulin by Eman Ibrahem, Ali Osman, Hefnawy Taha, Mohamed F. Abo El-Maati, Basel Sitohy, Basel Sitohy, Mahmoud Sitohy

“…IntroductionThis study investigated the tryptic hydrolysis of β-lactoglobulin (BLG) for 30, 60, 90, and 120 min at 1/200 E/S (enzyme/substrate ratio, w/w) to prepare potentially anticarcinogenic peptides.MethodsThe properties of hydrolysates were characterized, including degree of hydrolysis, free amino acids, SDS-PAGE, FTIR, and antioxidant activity employing DPPH-assay, β-carotene/linoleic acid, and FRAP assay.ResultsBLG tryptic hydrolysate produced after 60 min hydrolysis recorded the highest antioxidant activity, and LCMS analysis revealed 162 peptides of molecular masses ranging from 800 to 5671Da, most of them are of hydrophobic nature. …”
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Isolation, identification and comparative genomic analysis of Lactobacillus salivarius from Mongolian horse vagina by Yiping Zhao, Yiping Zhao, Yiping Zhao, Yuanyi Liu, Yuanyi Liu, Yuanyi Liu, Jinshan Tao, Jinshan Tao, Jinshan Tao, Jialong Cao, Jialong Cao, Jialong Cao, Yanan Lin, Yanan Lin, Yanan Lin, Qianqian He, Qianqian He, Qianqian He, Xinlan Fang, Xinlan Fang, Xinlan Fang, Siqin Yun, Siqin Yun, Siqin Yun, Ming Du, Ming Du, Ming Du, Shaofeng Su, Tugeqin Bao, Tugeqin Bao, Tugeqin Bao, Dongyi Bai, Dongyi Bai, Dongyi Bai, Xinzhuang Zhang, Xinzhuang Zhang, Xinzhuang Zhang, Manglai Dugarjaviin, Manglai Dugarjaviin, Manglai Dugarjaviin

“…The probiotic potential of Y20 was assessed through in vitro assays, including tolerance to low pH (pH 2.5) and bile salts (0.3%), antagonistic activity against equine pathogens (Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa), and antioxidant capacity (DPPH radical scavenging assay). Whole-genome sequencing (1.74 Mb, 33.01% GC content) was performed to analyze genes related to carbohydrate metabolism, adhesion factors, bacteriocin biosynthesis, and stress response pathways. …”
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Potential of Three Probiotic Lactobacilli in Pueraria thomsonii Juice into Functional Beverages by Yao ZHOU, Juan LI, Zhimin SU, Fengxia JIA, Jingyu HUANG, Gang CHEN

“…Total phenolic and flavonoid contents, antioxidant activity (DPPH, ABTS, FRAP, and SOD), and α-glucosidase and tyrosinase enzyme inhibitory activity during the fermentation process were analyzed. …”
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Development of Antimicrobial and Antioxidative Chicken Patties Using Liquid-Fermented <i>Ganoderma lucidum</i> and <i>Pleurotus djamor</i> Fruiting Body Biomass by Nur Asyiqin Zahia-Azizan, Chong Shin Yee, Muhammad Ameer Ushidee-Radzi, Zul Ilham, Muhamad Hafiz Abd Rahim, Siva Raseetha, Nazimah Hamid, Adi Ainurzaman Jamaludin, Wan Abd Al Qadr Imad Wan-Mohtar

“…In addition, ENS-GL also proved to possess higher antimicrobial activities and significant antioxidant levels (DPPH-scavenging activity, ferric reduction potential and total phenolic content) compared to ENS-PD. …”
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Eco-synthesized silver nanoparticles from Curcuma longa leaves: Phytochemical and biomedical applications by Sapam Riches Singh, S.J. Akshatha, Megha B. Abbigeri, Akshata Choudhari Padti, Santosh Mallikarjun Bhavi, Sudheendra Rao Kulkarni, Bothe Thokchom, Asmatanzeem Bepari, Ramesh Babu Yarajarla, B.S. Srinath

“…Biological assays demonstrated moderate antioxidant activity in DPPH and total reducing power assays with IC50 values of 140.9 and 124.58 µg mL⁻¹ , respectively. …”
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Green synthesis of AgNPs using Forsskaolea tenacissima: sustainable nanotechnology for antimicrobial, antioxidant, and catalytic activities by Hajer S. Alorfi, Maha S. Alomari, Nahed O. Bawakid, Hanan I. Althagbi, Naha M. Alsebaii, M. Aslam, S. Chandrasekaran, M. Tahir Soomro, Amna N. Khan

“…Antioxidant potential was assessed through the DPPH radical scavenging assay, while catalytic activity was evaluated via the reduction of two common wastewater pollutants, 4-nitrophenol (4-NP) and methylene blue (MB), using Ft-AgNPs and NaBH4. …”
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Effects of Different Physical Field Pretreatment on the Quality of Kiwifruit Jiaosu by Fang DAI, Yuhao WU, Zhenzhou ZHU, Xin MEI, Yong SUI, Shuyi LI, Xueling CHEN

“…The results showed that compared with CK group, the SOD activity in three kinds of physical field treatment groups significantly increased by 27.27%~31.81% (P<0.05), the total acid content increased by 0.77%~2.79%, the DPPH·, OH· and ABTS+· scavenging rates increased by 3.17%~4.39%, 0.9%~1.83%, and 1.88%~6.63%, respectively, and the soluble sugar content decreased by 3.23%~10.04%. …”
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In-silico receptor interactions, phytochemical fingerprint and biological activities of Matricaria chamomilla flower extract and the main components by Burhanettin Sertaç Ayhan, Emine Yalçin, Kültiğin Çavuşoğlu

“…Caffeic acid, quercetin and kaempferol were detected as major compounds in the flower extract by LC–MS/MS analysis and the detected levels were 165.085 mg/kg, 112.673 mg/kg and 67.417 mg/kg, respectively. The DPPH radical scavenging activity of M. chamomilla flower extract ranged from 12.4 to 81.1%, while superoxide anion inhibition was observed between 10.6 and 65.8%. …”
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Green synthesis of nanoselenium by Ferula assa-foetida (L.) root extract: Docking study, antimicrobial activity, and its role as a biostimulant in Vicia faba (L.) seedlings by Eman Zakaria Ahmed, Amira Mohamed Abd El-Sattar, Eslam T. Mohamed, Muhammad Gamal Abdelmaksoud, Heba El-Sayed

“…The extract exhibited strong antioxidant capacity via DPPH assay (IC50: 37.38 µg/mL), while SeNPs showed moderate activity (IC50: 338.4 µg/mL), correlated with superoxide dismutase binding (2SOD, -2.0912 kcal/mol), enhancing radical scavenging. …”
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Green synthesis of silver nanoparticles (AgNPs) from G. stearothermophilus GF16: stable and versatile nanomaterials with antioxidant, antimicrobial, and catalytic properties by Alessia Di Fraia, Giovanni Dal Poggetto, Michela Salamone, Federica Carraturo, Patrizia Contursi, Marco Guida, Danila Limauro, Viviana Scognamiglio, Manuela Rossi, Gabriella Fiorentino

“…The obtained AgNPs exhibited remarkable radical scavenging activity, reaching up to 79% in DPPH and 75% in ABTS assays at 100 µg/mL, highlighting a level of antioxidant performance rarely observed in AgNPs of bacterial origin. …”
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Influence of Various Fruit Preservation Methods on the Phenolic Composition and Antioxidant Activity of <i>Prunus spinosa</i> L. Fruit Extract by Valentina Sallustio, Joana Marto, Lidia Maria Gonçalves, Manuela Mandrone, Ilaria Chiocchio, Michele Protti, Laura Mercolini, Barbara Luppi, Federica Bigucci, Angela Abruzzo, Teresa Cerchiara

“…In line with the polyphenol analysis, the antioxidant activity as determined by DPPH method was higher for the frozen extract, with a value of 91.78 ± 0.80%, which was confirmed by the ROS test on keratinocytes. …”
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Oryzalin-Induced polyploidy enhances natural metabolite accumulation and functional bioactivities in novel Callisia fragrans genotype by Neha Gupta, Soham Bhattacharya, Jana Žiarovská, Adrish Dutta, Veronika Fialková, Silvia Farkasová, Anna Mascellani Bergo, Jaroslav Havlik, Jan Tauchen, Pavel Novy, Klára Urbanová, Luigi Milella, Eloy Fernández-Cusimamani

“…Polyploid extracts demonstrated exceptional antioxidant capacity, with DPPH, ORAC, and ABTS assays showing higher radical scavenging and oxygen absorbance abilities than diploid extracts. …”
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Liposomal ellagic acid enhances the regenerative potential of ADMSC-laden nanofibrous PCL scaffolds in a rat model of spinal cord injury by Arman Abroumand Gholami, Shokoufeh Rahmani, Payam Moharreri, Esmael Amirazodi, Amir Mahdi Molavi, Tahere Mokhtari, Fatemeh Tahmasebi, Amirhossein Rabiei Rad, Hamideh Babaloo

“…The optimal drug concentration was determined by conducting MTT and DPPH assays through three different time points. …”
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Upcycled Cocoa Pod Husk: A Sustainable Source of Phenol and Polyphenol Ingredients for Skin Hydration, Whitening, and Anti-Aging by Aknarin Anatachodwanit, Setinee Chanpirom, Thapakorn Tree-Udom, Sunsiri Kitthaweesinpoon, Sudarat Jiamphun, Ongon Aryuwat, Cholpisut Tantapakul, Maria Pilar Vinardell, Tawanun Sripisut

“…CEA demonstrated stronger anti-oxidant (IC₅₀ = 5.83 ± 0.11 μg/mL in the DPPH assay and 234.17 ± 4.01 mg AAE/g extract in the FRAP assay) compared to CE. …”
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Validated RP-HPLC based characterization of synergistic antibacterial, antioxidant, and anticancer activities of combined mangosteen pericarp and turmeric extracts by Thippayarat Chahomchuen, Orapin Insuan, Chawanakorn Thavornloha, Nanthiya Hansupalak, Wimonrut Insuan

“…Antioxidant activity was measured by 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging and total phenolic content (TPC). …”
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Antioxidant activities of sea buckthorn polysaccharides and their potential application in cosmetic industry by Hao Wang, Na Cheng, Qingyuan Wu, Danjiao Fang, Faiz-Ur Rahman, Huifang Hao, Yongmin Zhang

“…Results: The in vitro antioxidant assay showed that the four sea buckthorn polysaccharides (SP, SPA, SPB, and SPC) were good at getting rid of superoxide anion and DPPH radicals, especially ABTS radicals. They were also better at getting rid of free radicals than VC at low concentrations, and they were also good at reducing other molecules. …”
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Valorization of postharvest waste from table grapes through the production of spirits and distillate by-products based on their antioxidant capacity by Fermín Humberto Arévalo-Ortiz, Juan Carlos Palma, Jacqueline Jannet Dioses-Morales, Amelia Devorah Arias-Durand, Gaby Espinoza-Córdova, Miki Gonzales-Uscamayta, Joel Claudio Rengifo-Maravi, Epifanio Teófilo Chire-Murillo, Víctor Caro Sánchez-Benites, Paola Jorge-Montalvo, Lizardo Visitación-Figueroa

“…Principal component analysis (PCA) indicated that antioxidant components were mainly concentrated in the vinasse, which exhibited notable antioxidant capacity values of 5.75 μmol TE/mL as Ferric reducing antioxidant power (FRAP) and 3.596 μmol TE/mL as DPPH, along with high TPC and TFC levels. Fourteen phenolic compounds were also identified, including kaempferol glycoside, epicatechin, and caftaric acid. …”
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Selenium nanoparticle loaded on PVA/chitosan biofilm synthesized from orange peels: antimicrobial and antioxidant properties for plum preservation by Hamza T. O. Abdelaziz, Eldin M. Seif Mohamed, Samir K. A. Younis, Nada Ahmed, Mary N. Michaeel, Samah H. Abu-Hussien, Ashraf Bakry, Naglaa M. Ebeed, Mohamed A. Nasser, Mohamed K. Abou El-Nasr, Mahmoud A. A. Ali, Bahaa Hemdan, Mahmoud Salah, Salwa M. El-Sayed

“…Antioxidant potential was assessed using DPPH radical scavenging assays. The composites showed concentration-dependent free radical scavenging, with the highest activity observed at 1% SeNP concentration (IC50:45.2 µg/mL), closely approaching that of ascorbic acid (IC50: 38.6 µg/mL). …”
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Impact of dietary supplementation of black soldier fly larvae (Hermetia illucens L.) on nutrient digestibility, serum antioxidants, ruminal volatile fatty acids, and abundance of m... by Shengyong Lu, Siwaporn Paengkoum, Shengchang Chen, Yong Long, Xinran Niu, Sorasak Thongpea, Nittaya Taethaisong, Weerada Meethip, Pramote Paengkoum

“…Serum malondialdehyde concentration showed a linear (P < 0.05) response at 0 h, while superoxide dismutase activity and 2,2-diphenyl-1-trinitrophenylhydrazine (DPPH) concentration exhibited linear responses (P < 0.05) at 4 h. …”
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