Results 11 to 20 of about 4,146,519 (301)

Serum Free Radical Scavenging Capacity Profiles of Patients with Chronic Obstructive Pulmonary Disease [PDF]

International Journal of COPD, 2023
Kazuhiro Sakaguchi,1 Masanori Yoshikawa,1 Yukio Fujita,1 Yoshifumi Yamamoto,1 Takahiro Ibaraki,1 Nobuhiro Fujioka,1 Takao Osa,1 Motoo Yamauchi,1 Hiroshi Ichikawa,2 Shigeo Muro1 1Department of Respiratory Medicine, Nara Medical University, Kashihara, Nara,
Sakaguchi K, Yoshikawa M, Fujita Y, Yamamoto Y, Ibaraki T, Fujioka N, Osa T, Yamauchi M, Ichikawa H, Muro S   +9 more
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Two Theorems and Important Insight on How the Preferred Mechanism of Free Radical Scavenging Cannot Be Settled [PDF]

, 2022
Totally ignoring that the five enthalpies of reaction --- bond dissociation enthalpy (BDE), adiabatic ionization potential (IP), proton dissociation enthalpy (PDE), proton affinity (PA), and electron transfer enthalpy (ETE) --- characterizing the three ...
Ioan, Baldea
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Assay of the antioxidant capacity of foods using an iron(II)-catalysed lipid peroxidation model for greater nutritional relevance [PDF]

, 2010
The formation of free radicals by the iron-catalysed Fenton reaction is a major cause of oxidative damage in the body. Here a common assay of antioxidant capacity, inhibition of the β-carotene-linoleic acid model of lipid peroxidation, has been modified ...
Molan, Peter C., Peter C. Molan, Hélène L. Brangoulo, Brangoulo, Helene L.   +3 more
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Free Radical Scavenging Activity of Kielmeyera variabilis (Clusiaceae)

Molecules, 2013
As part of our ongoing research on antioxidant agents from Brazilian flora, we screened the free radical scavenging activity of two extracts and eight fractions of Kielmeyera variabilis (Clusiaceae) using DPPH· (2,2-diphenyl-1-picrylhydrazyl-hydrate) and
Dulce Helena Siqueira Silva, Vanderlan da Silva Bolzani, Marcos Marçal Ferreira Queiroz, Scheila Cristina Gutkoski Skrzek, Luis Octávio Regasini, Aline Coqueiro   +5 more
doaj   +1 more source

Antioxidant activity of lidocaine, bupivacaine, and ropivacaine in aqueous and lipophilic environments: an experimental and computational study

Frontiers in Chemistry, 2023
Introduction: Local anesthetics are widely recognized pharmaceutical compounds with various clinical effects. Recent research indicates that they positively impact the antioxidant system and they may function as free radical scavengers.
H. Kavčič, H. Kavčič, U. Jug, J. Mavri, N. Umek   +4 more
doaj   +1 more source

Captopril: a free radical scavenger. [PDF]

British Journal of Clinical Pharmacology, 1989
The use of captopril in heart failure and hypertension is becoming increasingly accepted. Captopril has a sulphydryl group in its molecular structure. We wondered if this might confer free radical scavenging activity on the drug and have investigated this in an in vitro system. Results show that captopril is a free radical scavenger and we suggest that
Chopra, M., Scott, N., McMurray, J., McLay, J., Bridges, A., Smith, W. E., Belch, J. J. F.   +6 more
openaire   +3 more sources

Free radical scavenging activity of propolis

Redox Report, 2002
We investigated the radical scavenging activity of propolis by ESR spectroscopy using spin trapping method. In addition, we examined the influence of a diet of 2% propolis on mice under oxidative stress. At low concentrations, the methanolic extract of propolis exhibited strong scavenging activity in vitro towards both the superoxide anion radical ...
Hisatsugu, Ichikawa, Kazue, Satoh, Takashi, Tobe, Ichiro, Yasuda, Fusao, Ushio, Kenichiro, Matsumoto, Kazutoyo, Endo, Chiharu, Ookubo   +7 more
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Free-radical scavenging and α-glucosidase inhibitory activities of pyrazoline and pyrazole heterocyclic compounds [PDF]

, 2022
A total of fifty pyrazolines 3a-y and pyrazoles 4a-y have been evaluated for their free-radical scavenging and α-glucosidase inhibitory activities.
Tiwari, A K ; Centre for Natural Products & Traditional Knowledge CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India, Ramya, S ; Department of Organic Synthesis & Process Chemistry Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India, Raju, B China ; Department of Organic Synthesis & Process Chemistry Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India, Anusha, K ; Centre for Natural Products & Traditional Knowledge CSIR-Indian Institute of Chemical Technology, Hyderabad 500 007, India   +3 more
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Comparative study of total phenolic content and radical scavenging activity of conventionally and organically grown herbs [PDF]

, 2010
The aim of the present study was to measure the relative phenolic content in commonly available conventionally and organically grown herbs and to evaluate their antioxidant capacity.
Todorova, M., Vassileva, Elka, Ivanova, Daniela, Trendafilova, A.   +3 more
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Free Radical Scavenging and Cytoprotective Activity of Merr

Natural Product Communications, 2008
The present study reports the antioxidant activity of Salacia euphlebia stem extract. To understand the antioxidant activity of this plant, four compounds were isolated and elucidated as vitexin, 15α-hydroxyfriedelan-3-one, siphulitol and mangiferin ...
Sanan Subhadhirasakul, Niwat Keawpradub, Charuporn Promwong, Supreeya Yuenyongsawad   +3 more
doaj   +1 more source