Results 251 to 260 of about 180,373 (302)
Analytical Biochemistry, 2002 The aim of this study was to validate, by capillary electrophoresis, the use of synthesized methyl malondialdehyde as the internal standard for the direct quantification of free and total (free+bound) malondialdehyde in biological samples. All analyses were performed in 20 cm x 50 microm uncoated capillaries at 20 degrees C, using 25 mmol/L borax (pH 9.
Rita Paroni +2 more
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Proceedings of the Virtual 2021 AOCS Annual Meeting & Expo, 2021 The reactivity of malondialdehyde in saturated glycerol triheptanoate oil was studied over a wide temperature range (298.15-453.15 K). With respect to the non-ideal character of a lipid medium, a kinetic model was proposed that described the experimental malondialdehyde data by a reversible hydrolytic cleavage and an irreversible aldol self ...
Angelique, Vandemoortele +3 more
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Cleavage and Oligomerization of Malondialdehyde
Tetrahedron, 1993Abstract Malondialdehyde (MDA) slowly self-condensates in aqueous solution at pH 4.5–6 and room temperature yielding (E)-(3′-oxo-1′-propenyl)malondialdehyde and 2,4-dihydroxymethylene-3-(2′-oxoethyl)glutaraldehyde. The latter compound exists in solution in equilibrium with 4-(1,3-dioxopropan-2-yl)-5-formyl-2-hydroxy-3,4-dihydro-2H-pyran, the trans ...
Inés Maya
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Behavior of Malondialdehyde in Oil-in-Water Emulsions
Journal of Agricultural and Food Chemistry, 2015 The impact of temperature, emulsifier, and protein type on the reactivity of malondialdehyde in oil-in-water emulsions was elucidated Malondialdehyde recoveries in aqueous buffer, protein solutions, saturated oil, and fully hydrogenated coconut oil-in ...
Angelique Vandemoortele +1 more
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Modification of Casein by the Lipid Oxidation Product Malondialdehyde
Journal of Agricultural and Food Chemistry, 2008 The reaction of malondialdehyde with casein was studied in aqueous solution to evaluate the impact of this lipid oxidation product on food protein modification. By using multiresponse modeling, a kinetic model was developed for this reaction.
Martinus van Boekel
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Reactivity of Free Malondialdehyde during In Vitro Simulated Gastrointestinal Digestion
Journal of Agricultural and Food Chemistry, 2017 An aqueous buffer, a saturated glycerol triheptanoate oil, and a Tween 20 stabilized fully hydrogenated coconut oil-in-water emulsion, all spiked with malondialdehyde, were subjected to in vitro digestion.
Angelique Vandemoortele +1 more
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Methyl malondialdehyde as an internal standard for the determination of malondialdehyde
Journal of Chromatography B: Biomedical Sciences and Applications, 2001Methyl malondialdehyde (Me-MDA) is suggested as an internal standard for the determination of the lipid peroxidation product, malondialdehyde (MDA). A procedure for synthesising the Me-MDA sodium salt is described in detail. The purity and identity of the synthesised Me-MDA have been confirmed using nuclear magnetic resonance and UV spectroscopy, and ...
K, Claeson, G, Thorsén, B, Karlberg
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Malondialdehyde measurement in urine
Journal of Chromatography B: Biomedical Sciences and Applications, 1994Malondialdehyde (MDA) is an end product of lipid peroxidation and is a frequently measured index of these processes. The thiobarbituric acid (TBA) test is commonly used to measured MDA, but its specificity is questionable due to the presence of interfering chromogens.
M, Guichardant +4 more
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Malondialdehyde: A Possible Marker of Ageing
Gerontology, 2002<i>Background:</i> Numerous recent studies have suggested that oxidative damage may be important in the ageing process, and lipid peroxidation is an important biological consequence of oxidative cellular damage. <i>Objective:</i> The aim of this work was to analyze the activities of the two protective enzymes, superoxide ...
Gil, P. +3 more
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An indo investigation of the structure and bonding in malondialdehyde and lithium malondialdehyde
Journal of Molecular Structure, 1975Abstract The geometries of the enol forms of malondialdehyde and its lithium analog have been investigated using the INDO MO method in its original parametrization. The former molecule is predicted to have a planar, symmetric structure nearly identical with that of acetylacetone.
F.J. Marsh, B.G. Thomas, M.S. Gordon
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