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Title: | Quantitation of oxidized triglyceride monomers and dimers as an useful measurement for early and advanced stages of oxidation |
Authors: | Márquez Ruiz, Gloria CSIC ORCID; Martín-Polvillo, M.; Dobarganes, M. Carmen CSIC | Keywords: | High performance size exclusion ctiromatography Oxidation (stage) Oxidized triglyceride dimers Oxidized triglyceride monomers |
Issue Date: | 30-Apr-1996 | Publisher: | Consejo Superior de Investigaciones Científicas (España) | Citation: | Grasas y Aceites 47(1-2): 48-53 (1996) | Abstract: | Quantitation 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. | Description: | 6 páginas, 4 figuras. | Publisher version (URL): | http://dx.doi.org/10.3989/gya.1996.v47.i1-2.842 | URI: | http://hdl.handle.net/10261/26964 | DOI: | 10.3989/gya.1996.v47.i1-2.842 | ISSN: | 0017-3495 | E-ISSN: | 1988-4214 |
Appears in Collections: | (IG) Artículos |
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