U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

You searched for: Subject term antioxidant activity Remove constraint Subject term: antioxidant activity
Start Over

Search

65,014  Search Results

« Previous | 1 - 20 of 65,014 |
Number of results to display per page

Search Results

1. Alleviative effects of a novel strain Bacillus coagulans XY2 on copper-induced toxicity in zebrafish larvae

Author:
Fang Ai; Xuedi Huang; Yalan Wu; Chen Ji; Yufang Gao; Ting Yu; Fujie Yan
Source:
Journal of environmental sciences (China) 2023 v.125 pp. 750-760
ISSN:
1001-0742
Subject:
Bacillus coagulans; Danio rerio; antioxidant activity; genes; human health; humans; inflammation; interleukin-10; intestines; metabolism; models; mortality; neutrophils; oxidative stress; pollutants; probiotics; toxicity; transcription (genetics); China
Abstract:
... Copper (Cu) is a kind of micronutrient element that is essential for human metabolism. However, it is also considered as an environmental pollutant which is toxic to organisms at a high concentration level. Probiotics, regarded as beneficial microorganisms for promoting human health, have functions of antioxidant capacity, immune-enhancing properties, intestinal barrier protection and regulation. ...
DOI:
10.1016/j.jes.2022.02.010

2. 2, 3-Dimethylsuccinic acid and fulvic acid attenuate lead-induced oxidative misbalance in brain tissues of Nile tilapia Oreochromis niloticus

Author:
Wesam A. Neamatallah; Kadry M. Sadek; Yasser S. El-Sayed; Ebeed A. Saleh; Asmaa F. Khafaga
Source:
Environmental science and pollution research 2022 v.29 no.15 pp. 21998-22011
ISSN:
0944-1344
Subject:
NADP-glucose-6-phosphate dehydrogenase; Oreochromis niloticus; antioxidant activity; antioxidants; brain; catalase; dietary supplements; fish; fulvic acids; glucose 6-phosphate; glutathione; glutathione peroxidase; glutathione transferase; heavy metals; histology; histopathology; humans; immunotoxicity; lactate dehydrogenase; lead acetate; lethal concentration 50; lipids; liver; malondialdehyde; neuroprotective effect; neurotoxicity; oxidative stress; pollution; research; superoxide dismutase
Abstract:
... Lead has long been known as neurotoxic and immunotoxic heavy metal in human and animals including fish, whereas, 2, 3-dimethylsuccinic acid (DMSA) and fulvic acid (FA) are well-known biological chelators. The present investigation was carried out to assess the potential chelating and antioxidant effects of dietary supplementation with DMSA and FA against lead acetate (Pb)-induced oxidative stress ...
DOI:
10.1007/s11356-021-16359-z

3. 3-Formylindole-based chitosan Schiff base polymer: Antioxidant and in vitro cytotoxicity studies on THP-1 cells

Author:
M. Ameer Ali; Shazia Anjum Musthafa; Ganesh Munuswamy-Ramanujam; V. Jaisankar
Source:
Carbohydrate polymers 2022 v.290 pp. 119501
ISSN:
0144-8617
Subject:
Candida albicans; Escherichia coli; Staphylococcus aureus; antioxidant activity; biocompatible materials; cell viability; chitosan; cytotoxicity; flow cytometry; humans; imines; leukemia; monocytes; polymers; reactive oxygen species; schiff bases
Abstract:
... Two imine derivatives of chitosan (i-CTs), namely 2FCT and 5MCT, were synthesized by reacting chitosan (CT) with 2-(3-formyl-1H-indol-1yl)acetonitrile (2F), and 5-methoxyindole-3-carbaldehyde (5M), respectively. The antimicrobial evaluation of i-CTs exhibited stronger inhibition effect against Staphylococcus aureus, Escherichia coli and Candida albicans. The antioxidant activity of 2FCT and 5MCT s ...
DOI:
10.1016/j.carbpol.2022.119501

4. 5/6 nephrectomy affects enteric glial cells and promotes impaired antioxidant defense in the colonic neuromuscular layer

Author:
Patricia Pereira Almeida; Beatriz Bastos de Moraes Thomasi; Ágatha Cristie Menezes; Beatriz Oliveira Da Cruz; Nathalia da Silva Costa; Michele Lima Brito; Aline D'Avila Pereira; Cecília Ribeiro Castañon; Viviane Alexandre Nunes Degani; D'Angelo Carlo Magliano; Claude Knauf; Ana Lúcia Tavares-Gomes; Milena Barcza Stockler-Pinto
Source:
Life sciences 2022 v.298 pp. 120494
ISSN:
0024-3205
Subject:
animal models; antioxidant activity; antioxidants; colon; digestive tract; fibrosis; glutathione peroxidase; histopathology; inflammation; intestinal microorganisms; kidney diseases; kidneys; morphometry; oxidative stress; permeability; protein synthesis; superoxide dismutase; transcription factor NF-kappa B
Abstract:
... Chronic kidney disease (CKD) produces multiple repercussions in the gastrointestinal tract (GIT), such as alterations in motility, gut microbiota, intestinal permeability, and increased oxidative stress. However, despite enteric glial cells (EGC) having important neural and immune features in GIT physiology, their function in CKD remains unknown. The present study investigates colonic glial marker ...
DOI:
10.1016/j.lfs.2022.120494

5. 6-Gingerol exerts a protective effect against hypoxic injury through the p38/Nrf2/HO-1 and p38/NF-κB pathway in H9c2 cells

Author:
Xue Han; Panpan Liu; Bin Zheng; Muqing Zhang; Yuanyuan Zhang; Yucong Xue; Chenxu Liu; Xi Chu; Xiangting Wang; Shijiang Sun; Li Chu
Source:
Journal of nutritional biochemistry 2022 v.104 pp. 108975
ISSN:
0955-2863
Subject:
antioxidant activity; apoptosis; cardiomyocytes; catalase; condiments; creatine kinase; cytoplasm; disulfides; flow cytometry; ginger; glutathione; iodides; lactate dehydrogenase; oxidative stress; phenol; protective effect; reactive oxygen species; superoxide dismutase
Abstract:
... Ginger, one of the most widely consumed condiment for various foods and beverages, has many pharmacological effects. 6-gingerol, a naturally occurring phenol, is one of the major pungent constituents of ginger. The purpose of this study was to characterize the effect of 6-gingerol on the p38/Nrf2/HO-1 and p38/NF-κB signaling pathway, as a possible means of combating hypoxia-related oxidative stres ...
DOI:
10.1016/j.jnutbio.2022.108975

6. 6-gingerol attenuates pulmonary inflammation and oxidative stress in mice model of house dust mite-induced asthma

Author:
Babajide O. Ajayi; Temitope A. Olajide; Ebenezer T. Olayinka
Source:
Advances in redox research 2022 v.5 pp. 100036
ISSN:
2667-1379
Subject:
antioxidant activity; ascorbic acid; asthma; catalase; dexamethasone; dust; dust mites; edema; eosinophils; ginger; glutathione; glutathione peroxidase; glutathione transferase; histopathology; inflammation; interleukin-6; males; malondialdehyde; myeloperoxidase; necrosis; neoplasms; neutrophils; nitric oxide; oxidative stress; research; rhizomes; superoxide dismutase
Abstract:
... Asthma is a chronic non-communicable inflammatory disease of the lung that affects over 300 million people worldwide. 6-Gingerol (6-G) is a phytocompound found in ginger rhizome that has been reported to exhibit anti-inflammatory effects. However, there is paucity of information regarding the effect of 6-G on asthma. This study was designed to evaluate the effect of 6-G on house dust mite (HDM) -i ...
DOI:
10.1016/j.arres.2022.100036

7. 6-methoxyflavone suppresses neuroinflammation in lipopolysaccharide- stimulated microglia through the inhibition of TLR4/MyD88/p38 MAPK/NF-κB dependent pathways and the activation of HO-1/NQO-1 signaling

Author:
Wu-Fu Chen; Yao-Hsiang Shih; Hsuan-Chih Liu; Cheng-I Cheng; Chi-I Chang; Chung-Yi Chen; In-Pin Lin; Mei-Ying Lin; Chien-Hsing Lee
Source:
Phytomedicine 2022 v.99 pp. 154025
ISSN:
0944-7113
Subject:
Danio rerio; antioxidant activity; cell death; enzyme-linked immunosorbent assay; flavonoids; flow cytometry; models; neuroglia; neuroprotective effect; prefrontal cortex; reactive oxygen species; signal transduction
Abstract:
... Microglia-related neuroinflammation is associated with a variety of neurodegenerative diseases. Flavonoids have demonstrated different pharmacological effects, such as antioxidation, neuroprotection and anti-inflammation However, the effect of flavonoid 6-methoxyflavone (6-MeOF) on microglia-mediated neuroinflammation remain unknown. The current study aim to study the antineuroinflammatory effects ...
DOI:
10.1016/j.phymed.2022.154025

8. A Central Composite Design in increasing the quercetin content in the aqueous onion waste isolates with antifungal and antioxidant properties

Author:
Dorota Wianowska; Małgorzata Olszowy-Tomczyk; Sylwia Garbaczewska
Source:
European food research & technology 2022 v.248 no.2 pp. 497-505
ISSN:
1438-2377
Subject:
antifungal properties; antioxidant activity; antioxidants; food research; functional foods; mathematical models; onions; philosophy; quercetin; technology; wastes; zero wastes
Abstract:
... In this study, to increase the content of quercetin in the isolates obtained from the white and red onion scales, in accordance with the zero waste philosophy, using water as an environmentally and healthy friendly extractant, a mathematical model was constructed, based on the Central Composite Design. The suitability of the model for the accurate and quick study of complex relationships was demon ...
DOI:
10.1007/s00217-021-03895-8

9. A Comparative Study on Chemical Composition, Pharmacological Potential and Toxicity of Pogostemon cablin Linn., (Patchouli) Flower and Leaf Essential Oil

Author:
Sudin Kumar Pandey; Roktim Gogoi; Sangeeta Bhandari; Neelav Sarma; Twahira Begum; Sunita Munda; Mohan Lal
Source:
Journal of essential oil-bearing plants 2022 v.25 no.1 pp. 160-179
ISSN:
0976-5026
Subject:
Pogostemon cablin; alcohols; anti-inflammatory activity; antimicrobial properties; antioxidant activity; chemical composition; comparative study; essential oils; flowers; leaves; mitosis; odors; perfumes; toxicity
Abstract:
... Pogostemon cablin Linn., commonly known as patchouli is an aromatic plant with immense use in aroma and perfumery. The purpose of this study was to examine and compare the chemical composition, antimicrobial activity, and various biological activities of Pogostemon cablin Linn flower and leaf essential oils. The compositional analysis was carried out using GC/MS, while standard biological experime ...
DOI:
10.1080/0972060X.2021.2013325

10. A Comparative Study on Metals and Parasites in Shellfish of Freshwater and Marine Ecosystems

Author:
Laura Urdes; Acacia Alcivar-Warren
Source:
Journal of shellfish research 2022 v.40 no.3 pp. 565-588
ISSN:
0730-8000
Subject:
Acanthocephala; Artemia; Cestoda; Ciliophora; Eustrongylides; Litopenaeus vannamei; Pandalus borealis; Penaeus; Trematoda; adults; antioxidant activity; aquaculture; arsenic; bioaccumulation; cadmium; climate change; comparative study; endoparasites; epidemiology; epigenetics; freshwater; freshwater fish; lead; mercury; metagenomics; oxidative stress; parasitism; pollution; proteomics; research; sediments; shellfish; shrimp; taxonomy; temperature; Ecuador; Gulf of Mexico
Abstract:
... Little has been published about the interactions of metals and parasites in economically important aquaculture species, particularly shellfish. Metal bioaccumulation and parasitic diseases could vary in different species depending on temperature changes and other environmental factors. Most studies conducted on endoparasites, such as acanthocephalans, cestodes, nematodes, and trematodes, indicate ...
DOI:
10.2983/035.040.0313

11. A Dynamic Model for Estimating the Interaction of ROS–PUFA–Antioxidants in Rabbit

Author:
Simona Mattioli; Corrado Dimauro; Alberto Cesarani; Alessandro Dal Bosco; Desiree Bartolini; Francesco Galli; Anna Migni; Bartolomeo Sebastiani; Cinzia Signorini; Camille Oger; Giulia Collodel; Cesare Castellini
Source:
Antioxidants 2022 v.11 no.3 pp. -
ISSN:
2076-3921
Subject:
antioxidant activity; ascorbic acid; computer software; dynamic models; homeostasis; mathematical models; metabolites; optimal nutrition; oxidation; rabbits; reactive oxygen species
Abstract:
... Defining optimal nutrition in animals and humans remains a main scientific challenge. The objective of the work was to develop a dynamic model of reactive oxygen species (ROS)–polyunsaturated fatty acid (PUFA)–antioxidant homeostasis using the rabbit as a model. The problem entity was to evaluate the main metabolites generated from interactions between traits included in the conceptual model and i ...
DOI:
10.3390/antiox11030531

12. A Functional Orange Juice Fortified with Beetroot By-Products Attenuates Hyperlipidemia and Obesity Induced by A High-Fat Diet

Author:
Eman M. Abdo; Omayma El-Sayed Shaltout; Salim Ali; Hanem M. M. Mansour
Source:
Antioxidants 2022 v.11 no.3 pp. -
ISSN:
2076-3921
Subject:
animal models; antioxidant activity; beets; betalains; beverages; catalase; flavonoids; glutathione peroxidase; high fat diet; hyperlipidemia; leaves; lifestyle; lipid composition; liver; nutritive value; obesity; orange juice; oxidative stress; titratable acidity
Abstract:
... Obesity is one of the most prevalent non-communicable diseases and is interlinked with incidences of various diseases. By modulating lifestyle and food quality, obesity can be preventable. The present study investigated the ability of a novel functional beverage based on orange juice and beetroot leaf and stem juice in preventing obesity-associated health issues. To achieve this purpose, we determ ...
DOI:
10.3390/antiox11030457

13. A Halochromic Film Containing Plinia cauliflora Peel Anthocyanins Loaded into a Cashew Gum Polysaccharide-Polyvinyl Alcohol Matrix

Author:
Bruna M. Miranda; Mauricio V. Cruz; Ivan T. N. de Campos; Kátia F. Fernandes; Flávio A. Silva
Source:
Waste and biomass valorization 2022 v.13 no.5 pp. 2565-2574
ISSN:
1877-2641
Subject:
Plinia cauliflora; alcohols; anthocyanins; antioxidant activity; antioxidants; biomass; cashew gum; cell walls; chromatography; color; cyanidin; delphinidin; endo-1,4-beta-glucanase; enzymatic treatment; fractionation; pH; polygalacturonase; polyvinyl alcohol; solvents; temperature; wastes
Abstract:
... This study reports the extraction of anthocyanins from P. cauliflora peels, its partial characterization and the inclusion into a halochromic film based on cashew gum polysaccharide and polyvinyl alcohol (CGP/PVA). Three kinds of extractions were performed: The classic acidic-alcoholic solvent method; enzymatic method with the cell wall degrading enzymes (cellulase and pectinase) and the combinati ...
DOI:
10.1007/s12649-022-01688-y

14. A J-Protein OsDjC46 Interacts with ZFP36 to Participate in ABA-Mediated Antioxidant Defense in Rice

Author:
Xingxiu Huang; Liping Huang; Xixi Zhao; Jing Jia; Gang Zhang; Mengyao Zhang; Mingyi Jiang
Source:
Antioxidants 2022 v.11 no.2 pp. -
ISSN:
2076-3921
Subject:
abscisic acid; antioxidant activity; complement; drought; fluorescence; glutathione transferase; heat shock proteins; hydrogen; oxidative stress; peroxidase; plant response; polyethylene; precipitin tests; rice; salt stress; salt tolerance; sodium chloride; two hybrid system techniques
Abstract:
... ZFP36 has been shown to be involved in ABA-induced antioxidant defense and enhance rice tolerance to drought, salt stress and oxidative stress. Using ZFP36 as bait, a yeast two-hybrid system was used to obtain the interacting protein OsDjC46, which belongs to heat shock protein and usually exists in the form of molecular chaperone, was identified. Further Co-IP (co-immunoprecipitation), BiFC (bimo ...
DOI:
10.3390/antiox11020207

15. A Melatonin Treatment Delays Postharvest Senescence, Maintains Quality, Reduces Chilling Injury, and Regulates Antioxidant Metabolism in Mango Fruit

Author:
Renu Bhardwaj; Sunil Pareek; Saravanan Mani; J. Abraham Domínguez-Avila; Gustavo A. González-Aguilar
Source:
Journal of food quality 2022 v.2022 pp. -
ISSN:
1745-4557
Subject:
2,2-diphenyl-1-picrylhydrazyl; antioxidant activity; antioxidants; ascorbic acid; biochemical pathways; catalase; cell respiration; ethylene production; firmness; flavonoids; food quality; lipoxygenases; malondialdehyde; mangoes; melatonin; metabolism; pH; superoxide dismutase; titratable acidity; total soluble solids; weight loss
Abstract:
... The effects of an exogenous application of various concentrations and dipping duration of melatonin (MT) treatment on postharvest senescence, quality, chilling tolerance, and antioxidant metabolism of mango fruit cv. “Dashehari” were examined. Fruits were treated with three concentrations of MT (50, 100, or 150 µM), each applied for three times (60, 90, or 120 min), followed by storage at 5 ± 1°C. ...
DOI:
10.1155/2022/2379556

16. A Novel Insight into Screening for Antioxidant Peptides from Hazelnut Protein: Based on the Properties of Amino Acid Residues

Author:
Chenshan Shi; Miaomiao Liu; Hongfei Zhao; Zhaolin Lv; Lisong Liang; Bolin Zhang
Source:
Antioxidants 2022 v.11 no.1 pp. -
ISSN:
2076-3921
Subject:
active sites; amino acids; antioxidant activity; antioxidants; databases; dipeptides; emulsions; glutathione; hazelnut oil; hazelnuts; linoleic acid; lipid peroxidation; molecular weight; oxidation; quantum mechanics; rancidity
Abstract:
... This study used the properties of amino acid residues to screen antioxidant peptides from hazelnut protein. It was confirmed that the type and position of amino acid residues, grand average of hydropathy, and molecular weight of a peptide could be comprehensively applied to obtain desirable antioxidants after analyzing the information of synthesized dipeptides and BIOPEP database. As a result, six ...
DOI:
10.3390/antiox11010127

17. A Novel Stilbene Analogue: Antioxidant Activity and Application in Controlling the Quality and Bacterial Growth of Shrimp Refrigerated at 4ºC

Author:
Wei Xia; Vara Prasad Chakka; Kai Chen; Fan Wang; Yuan-Yuan Xie; Robert C. Hider; Tao Zhou
Source:
Journal of aquatic food product technology 2022 v.31 no.2 pp. 214-225
ISSN:
1547-0636
Subject:
Litopenaeus vannamei; antioxidant activity; bacterial growth; citric acid; foods; kojic acid; refrigeration; shelf life; shrimp; stilbenes
Abstract:
... The antioxidant potential of a novel stilbene analogue (5-hydroxy-2-[2-(3,5-dihydroxy-phenyl)-vinyl]-1-hexyl-pyridin-4-one) (named SA) along with its application in shrimp refrigeration was investigated. The antioxidant activity of SA was evaluated by determining the radical scavenging ability. Further, the shrimp preservative efficacy of SA was investigated on Penaeus vannamei stored at 4°C by de ...
DOI:
10.1080/10498850.2021.2024636

18. A PON for All Seasons: Comparing Paraoxonase Enzyme Substrates, Activity and Action including the Role of PON3 in Health and Disease

Author:
Chrysan J. Mohammed; Sabitri Lamichhane; Jacob A. Connolly; Sophia M. Soehnlen; Fatimah K. Khalaf; Deepak Malhotra; Steven T. Haller; Dragan Isailovic; David J. Kennedy
Source:
Antioxidants 2022 v.11 no.3 pp. -
ISSN:
2076-3921
Subject:
antioxidant activity; aryldialkylphosphatase; chromosomes; humans; lactones; organophosphorus compounds
Abstract:
... Paraoxonases (PONs) are a family of hydrolytic enzymes consisting of three members, PON1, PON2, and PON3, located on human chromosome 7. Identifying the physiological substrates of these enzymes is necessary for the elucidation of their biological roles and to establish their applications in the biomedical field. PON substrates are classified as organophosphates, aryl esters, and lactones based on ...
DOI:
10.3390/antiox11030590

19. A Review on Electrochemical Sensors and Biosensors Used in Assessing Antioxidant Activity

Author:
Irina Georgiana Munteanu; Constantin Apetrei
Source:
Antioxidants 2022 v.11 no.3 pp. -
ISSN:
2076-3921
Subject:
antioxidant activity; antioxidants; biosensors; drugs; electrochemistry; food analysis; human health; toxicity
Abstract:
... Currently, there is growing interest in screening and quantifying antioxidants from biological samples in the quest for natural and effective antioxidants to combat free radical-related pathological complications. Antioxidants play an important role in human health and provide a defense against many diseases. Due to the valuable dietary role of these compounds, the analysis and determination of th ...
DOI:
10.3390/antiox11030584

20. A biodegradable chitosan-based composite film reinforced by ramie fibre and lignin for food packaging

Author:
Maocheng Ji; Jianyong Li; Fangyi Li; Xiaojie Wang; Jia Man; Jianfeng Li; Chuanwei Zhang; Sixian Peng
Source:
Carbohydrate polymers 2022 v.281 pp. 119078
ISSN:
0144-8617
Subject:
antioxidant activity; antioxidants; biodegradability; chitosan; composite films; food preservation; lignin; pollution; pyrolysis; ramie; tensile strength; thermal stability; water uptake
Abstract:
... To solve the problem of environmental pollution caused by plastic food packaging films, a biodegradable chitosan-based film containing micro ramie fibre and lignin was prepared by the casting method. With the addition of different ratios of ramie fibre and lignin to the chitosan matrix, a significant improvement in mechanical, water resistance, thermal, and antioxidant properties was observed. The ...
DOI:
10.1016/j.carbpol.2021.119078