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Título: | Rapid, quantitative determination of polar compounds in fats and oils by solid-phase extraction and size-exclusion chromatography using monostearin as internal standard |
Autor: | Márquez Ruiz, Gloria CSIC ORCID; Jorge, Neuza; Martín-Polvillo, M.; Dobarganes, M. Carmen CSIC | Fecha de publicación: | 1996 | Editor: | Elsevier | Citación: | Journal of Chromatography A 749(1–2): 55-60 (1996) | Resumen: | A rapid and simple method was developed for quantitation of polar compounds in fats and oils using monostearin as internal standard. Starting from 50 mg of oil sample, polar compounds were obtained by solid-phase extraction (silica cartridges) and subsequently separated by high-performance size-exclusion chromatography into triglyceride polymers, triglyceride dimers, oxidized triglyceride monomers, diglycerides, internal standard and fatty acids. Quantitation of total polar compounds was achieved through the internal standard method and then amounts of each group of compounds could be calculated. A pool of polar compounds was used to check linearity, precision and accuracy of the method, as well as teh solid-phase extraction recovery. The procedure was applied to samples with different content of polar compounds and good quantitative results were obtained, especially for samples of low alteration level. | Versión del editor: | https://doi.org/10.1016/0021-9673(96)00429-3 | URI: | http://hdl.handle.net/10261/243692 | DOI: | 10.1016/0021-9673(96)00429-3 | ISSN: | 0021-9673 |
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