Browsing by Title
Now showing items 6836-6855 of 92398
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(Springer, 2017)The objective of this work was to evaluate the antioxidant action of flavonoids with specific differences in chemical structure, namely, quercetin (Q), epicatechin (E) and naringenin (N), in bulk methyl linoleate (ML) under ...
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(2007)Heliotropium glutinosum Phil. (Heliotropiceae) is a resinous bush that grows at a height of 2000 in in Chanaral, Chile. From the resinous exudates of Heliotropium glutinosum Phil. a new aromatic geranyl derivative: ...
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Antioxidant activity of coumarins and flavonols from the resinous exudate of Haplopappus multifolius (PERGAMON-ELSEVIER SCIENCE LTD, 2006-05)The antioxidant activity of eight coumarins and two flavonols isolated from Haplopappus multifolius was studied with the DPPH radical method. Results show that a high concentration of phenolic coumarins and the presence ...
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(ELSEVIER SCI IRELAND, 1998-07-03)The electron-donating ability of gallates, which are food and pharmaceutical antioxidants, is quantitatively assessed on the basis of their electrochemical characteristics. Gallic acid and the propyl, i-propyl, butyl, ...
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(Elsevier, 2012-09-28)The aim of this study was to characterize the complex between mangiferin (MGN) with beta-cyclodextrin (beta-CD) obtained through the co-evaporation method using Differential Scanning Calorimetry (DSC) and Fourier Transform ...
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(Wiley, 2017)Stevia (Stevia rebaudiana Bert.) is a relevant source of natural phenolic compounds with antioxidant and antimicrobial properties. The aim of this study was to evaluate the potential protective effect of crude stevia ...
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(MDPI AG, 2015)The antioxidant features, polyphenolic composition and chromatographic fingerprints of the aerial parts from three Chilean endemic plants from the Paposo Valley located on the cost of the Atacama Desert were investigated ...
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(Springer, 2010)In order to determine oxidative stress in equine joints with degenerative processes, we analyzed synovial fluid (SF) antioxidant capacity and the concentration of oxidative damage biomarkers in healthy and chronically ...
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(2002)Carnosol 1, rosmanol 2, carnosic acid 3 and 20-deoxocarnosol 4, the main phenolic abietanes present in aerial parts of the Chilean medicinal plant Sphacele salviae were tested for antioxidant activity of measuring the decay ...
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(1989)2,2′-Azobis-[2-amidinopropane] initiated lipid peroxidation of egg yolk phosphatydil choline liposomes was measured by oxygen uptake and the emitted visible luminescence. Lipid peroxidation involved a chain process (kinetic ...
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(2006)The high prevalence of non transmissible chronic diseases (NCD) related to food consumption had increased the studies conducted to investigate the relationship between diet and health. A smaller incidence of NCD, with food ...
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(2013)A novel ORAC (oxygen radical absorbance capacity) assay to assess antioxidant capacity of phenolic compounds in near-gastric conditions (pH 2.0) is presented. AAPH (2,2'-azo-bis(2-amidinopropane)dihydrochloride) was used ...
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(MDPI, 2022)Ischemia-reperfusion myocardial damage is a paradoxical tissue injury occurring during percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) patients. Although this damage could account for up to ...
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(Society of Biology of Chile, 2007)The antioxidant effect of 5-Aminosalicylic acid (5-ASA) on copper-mediated LDL oxidation was followed either by the emitted chemiluminiscence (CL) or by UV-vis spectroscopy. 5-ASA addition extends the lag phase in a ...
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(1998)Lipid peroxidation in rat brain slices was induced by Fe+3/ascorbate.Brain lipid peroxidation, as measured by malondialdehyde formation, was inhibited by all the tested nitro aryl 1,4-dihydropyridine derivatives over a ...
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(PERGAMON-ELSEVIER SCIENCE, 1998-09)1. Lipid peroxidation in rat brain slices was induced by Fe+3/ascorbate. 2. Brain lipid peroxidation, as measured by malondialdehyde formation, was inhibited by all the tested nitro aryl 1,4-dihydropyridine derivatives ...
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(PERGAMON-ELSEVIER SCIENCE LTD, 2007-11-15)This study was undertaken to investigate the free radical -scavenging and antioxidant activities of various structurally related hydroquinones including hydroxynaplithalenones and dihydroxyanthracenones. Electron spin ...
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(ELSEVIER, 2005-02-10)"Bailahuen" is the common name of a medicinal shrub native to Chile where this resinous herb is widely used for its liver stimulating properties. Although the official species is Haplopappus baylahuen Remy (Asteraceae), ...
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(Elsevier, 2021)The increased oxidative stress in the acceleration of the aging process and development of the neuronal disorder are the common feature detected in neurodegenerative illness, such as Alzheimer’s disease, Parkinson’s ...