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COMPOSIÇÃO EM ÁCIDOS GRAXOS DE ÓLEOS E GORDURAS VEGETAIS

Authors: Rui Carlos Zambiazi; Roman Przybylski; Moema Weber Zambiazi; Carla Barbosa Mendonça;

COMPOSIÇÃO EM ÁCIDOS GRAXOS DE ÓLEOS E GORDURAS VEGETAIS

Abstract

O principal objetivo deste trabalho foi identificar a composição em ácidos graxos de diversos óleos e gorduras vegetais. Vinte óleos e gorduras vegetais foram avaliados quanto a composição em ácidos graxos por cromatografia a gás (GC-FID). Entre os óleos estudados, os maiores teores em ácidos graxos saturados foram encontrados nas gorduras de coco e de semente de palma, que apresentaram mais de 80% de ácidos graxos saturados. A exceção da gordura de palma, com cerca de 50% em ácidos graxos saturados, todos os outros óleos revelaram percentuais em ácidos graxos saturados abaixo de 25%, sendo o óleo de canola o que apresentou maior percentual em ácidos graxos insaturados. Além disso, o óleo de canola e de soja apresentaram entre 8 e 10% de ácido ômega-3. Os óleos de borragem e prímula diferenciaram-se dos demais pelas quantidades apreciáveis de ácido gama-linolênico, e o óleo de linhaça por apresentar mais de 50% em ácido linolênico. Os óleos de arroz, amendoim, algodão e de milho evidenciaram maiores percentuais dos ácidos graxos oléico e linoléico.

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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!
44
Top 10%
Top 10%
Average
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