hydroxyl radical, or a species with the oxidizing power of the hydroxyl radical
Phenylalanine as a hydroxyl radical-specific probe in pyrite slurries
... hydroxyl radical ( ...oxygen species is important to biological and ecological systems as exposure can lead to deleterious health effects, but also environmental engineering during the optimization ...
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Evaluation of Antioxidant Capacity of Two Ocimum Species Consumed Locally as Spices in Nigeria as a Justification for Increased Domestication
... The antioxidant activities of Ocimum basilicum and Ocimum gratissimum consumed as spices in Nigeria were evaluated in a bid to provide better scientific basis for increased domestication efforts on them. Total phenol and ...
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A Convenient mechanism for the free radical scavenging activity of Resveratrol
... radicals, hydroxyl radical is the most reactive chemical species ...The hydroxyl radical induces some oxidative damage to biomolecules such as all proteins, DNA, nucleic acid, and ...
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IN-VITRO ANTIOXIDANT STUDIES AND TOTAL PHENOLIC CONTENT OF ETHANOLIC EXTRACT OF ALTERNANTHERA SESSILIS LINN. AERIAL PARTSAshok Kumar D, Mrinmay Das*, Mastanaiah. KDOWNLOAD/VIEW
... Oxidative stress has been implicated in the pathology of many diseases such as inflammatory conditions, cancer, diabetes and aging [1]. Free radicals induced by peroxidation have gained much importance because of their ...
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Evaluation of in vitro antioxidant and anti inflammatory property exhibited by silver nanoparticles stabilized by Adathoda vasica
... free radical scavenging ...oxygen species produced in cells include hydrogen peroxide (H 2 O 2 ), hypochlorous acid (HClO), and free radicals such as the hydroxyl radical (·OH) ...
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Kinetics of Degradation of Eosin Y by One of the Advanced Oxidation Processes (AOPs)—Fenton’s Process
... generate hydroxyl radical which is the most reactive oxidizing species in water treatment, with an oxidation potential between ...The hydroxyl radical is very non-selective in ...
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when the plant shifts from vegetative to reproductive stage. Key words : Antioxidant enzymes, ascorbate peroxidase, catalase, guaiacol peroxidase, heat stress, hydrogen peroxide, rice
... oxygen species (AOS) like superoxide radical, hydrogen peroxide, singlet oxygen and hydroxyl radical and antioxidant enzymes like superoxide dismutase, catalase and peroxidases increase when ...
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Hydroxyl Radical Generation in Oxygen-treated Infants
... free radical or oxygen spe- cies ...oxygen species involved is crucial, because it provides a valuable clue to developing therapeutic ...of hydroxyl radicals in this ...with hydroxyl ...
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Evidence for hydroxyl radical production by human neutrophils
... reactive oxidizing radical, possibly OH-, which releases ethylene from methional, and that the O2-generated during the respiratory burst is involved in the production of this reactive ...
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Evidence for hydroxyl radical generation by human Monocytes
... oxygen species have been implicated in the oxygen-dependent mechanisms involved in bactericidal activity of phagocytic ...generate hydroxyl radical, singlet oxygen, and other potentially reactive ...
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COMPARATIVE STUDY ON ANTIOXIDANT ACTIVITY OF ESSENTIAL OILS FROM POGOSTEMON BENGHALENSIS (BURM F ) KUNTZE AND P CABLIN (BLANCO) BENTH
... plant species reveals its potency as natural free radical ...Reducing power of Eos from ...reducing power of the Eos increased with concentration. The reducing power of both ...
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Evaluation of Antioxidant Activities of Alpinia galanga (L.) Willd
... free radical scavenging capacities and antioxidant activities of rhizome extracts of Alpinia galanga prepared in different solvent systems (60% aqueous methanol, 60% aqueous ethanol and distilled water) using ...
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IN VITRO ANTIOXIDANT STUDIES ON COLONIAL ASCIDIANS EUDISTOMA VIRIDE AND DIDEMNUM PSAMMATHODES
... The hydroxyl radical, generated in the system by the fenton reaction, is known to be a highly potent oxidant, which can react with all biomacro- molecules functioning in living cells 31 ...oxygen ...
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Antioxidant Activity of Indian Medicinal Rice (Oryza Sativa L.) cv. Njavara
... The hydroxyl radical is a very reactive oxygen species (ROS) with a short half-life, and is considered to be responsible for much of the biological damage inherent to free radical pathology ...
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In Vitro Antioxidant Evaluation of Root Methanol Extract of Naregamia Alata W&A
... free radical scavengers, super antioxidants that have anti-inflammatory activity, prevent oxidative cell damage through their water soluble property and also possess strong anti-cancer activity (Gurib-Fakim, ...
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Potentials of Two Nigerian Spices—Piper nigrum and Monodora myristica as Sources for Cheap Natural Antioxidants
... reducing power assay, the presence of antioxi- dants in the samples would result in the reduction of Fe 3+ to its lower valence state, Fe 2+ , by donating an ...free radical chain through electron donation ...
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In Vitro Antioxidant Activities of Tetrastigma Thomsonianum Planch. Leaves And Stems
... reactive hydroxyl radicals can cause oxidative damage to DNA, lipids and proteins ...free radical-mediated deoxyribose damage was assessed by means of the Iron (II)-dependent DNA damage ...generates ...
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“Screening of Methanolic Extract of Gymnema Sylvestre R. Br. leaves for Antioxidant Potential” by Laxmi Ahirwal, Siddhartha Singh, Subhadip Hajra, Archana Mehta, India. Digital copy link
... min. The reaction was terminated by the addition of 1 ml of ice-cold TCA (17.5% w/v). 3 ml of Nash reagent (150 g of ammonium acetate, 3 ml of glacial acetic acid, and 2 ml of acetyl acetone were mixed and raised to 1 L ...
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PHYTOCHEMICAL CHARACTERIZATION AND INVITRO ANTIOXIDANT EFFICACY OF SARGASSUM WIGHTII
... DPPH radical scavenging assay, superoxide anion scavenging assay, Hydroxyl radical scavenging assay, Nitric oxide scavenging assay, reducing power ...
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Synthesis, Characterization, Hydrolytic Cleavage, and Biological Activity Studies of 2-[(1e)-N-{2-[(2-{(Z)-[1-(2-Hydroxyphenyl)Ethylidene] Amino}Ethyl)Amino]Ethyl}Ethanimidoyl]Phenol
... two hydroxyl groups at aromatic rings in the L molecule, leads to stabilization of the free ...free radical-scavenging activity ...of hydroxyl- substituted Schiff bases in the protection against ...
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