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DIGITAL.CSIC
Article . 2021 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Absorción de grasas termoxidadas. I. Reproducibilidad y exactitud de las técnicas analíticas previas a la evaluación de los lípidos no absorbidos

Authors: Márquez Ruiz, Gloria; Pérez Camino, María del Carmen; Ruiz-Gutiérrez, Valentina; Dobarganes, M. Carmen;

Absorción de grasas termoxidadas. I. Reproducibilidad y exactitud de las técnicas analíticas previas a la evaluación de los lípidos no absorbidos

Abstract

[ES]: Se estudia la exactitud y reproducibilidad de las técnicas analíticas utilizadas en la extracción y separación de lípidos no absorbidos presentes en las heces de ratas Wistar alimentadas con dietas conteniendo aceites termoxidados. Se ha encontrado una reproducibilidad muy elevada en la cuantificación de lípidos totales, ácidos grasos no polares y composición en ácidos grasos. Por otra parte, la comparación de los lípidos extraídos de las dietas con sus correspondientes aceites de partida, demuestra en primer lugar una total recuperación de la grasa en el proceso de extracción y en segundo ausencia de alteración significativa durante el mismo. Los lípidos no absorbidos se caracterizan por un elevado contenido en ácidos grasos polares y compuestos no saponificables.

[EN]: Reproducibility of the techniques used for isolation and separation of non-absorbed lipids present in feces from rats fed with diets containing heated oils are defined. Highly reproducible results have been found for total lipids, nonpolar fatty acid compositions. Results obtaines from extracted diets demonstrate both the absence of significant alteration and the complete extraction of the fat when compared to those obtained directly from the oils. Non-absorbed lipids from diets containing thermoxidized oils are characterized by high proportions of unsaponifiable compounds and polar fatty acids.

A la Junta de Andalucía y a la Comisión Interministerial de Ciencia y Tecnología, por la financiación aportada.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Aceite termoxidado, Dieta, Thermoxidized oil, Rata

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green