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Título

Quantitation of oxidized triglyceride monomers and dimers as an useful measurement for early and advanced stages of oxidation

AutorMárquez Ruiz, Gloria ; Martín-Polvillo, M.; Dobarganes, M. Carmen
Palabras claveHigh performance size exclusion ctiromatography
Oxidation (stage)
Oxidized triglyceride dimers
Oxidized triglyceride monomers
Fecha de publicación30-abr-1996
EditorConsejo Superior de Investigaciones Científicas (España)
CitaciónGrasas y Aceites 47(1-2): 48-53 (1996)
ResumenQuantitation of oxidized triglyceride monomers and dimers is reported as a good measurement for early and advanced stages of oxidation. Applicability of this approach to follow-up oxidation was tested in samples of trilinolein and methyl linoleate stored at either room temperature or 60°C for different periods of time. Oxidized monomers, dimers and polymers were determined in 50 mg-samples by adding monostearin as internal standard and applying a combination of adsorption chromatography, using silica cartridges, followed by high-performance size-exclusion chromatography. Additionally, peroxide values and tocopherol contents were measured. Results showed that a significant rise of dimeric compounds denoted the end of the induction period while oxidized monomers were the only group of compounds showing a progressive increase during the early stages of oxidation.
Descripción6 páginas, 4 figuras.
Versión del editorhttp://dx.doi.org/10.3989/gya.1996.v47.i1-2.842
URIhttp://hdl.handle.net/10261/26964
DOI10.3989/gya.1996.v47.i1-2.842
ISSN0017-3495 (Print)
1988-4214 (Online)
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