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Determination of tocopherols and tocotrienols in vegetable oils by nanoliquid chromatography with ultraviolet-visible detection using a silica monolithic column.
TLDR
A method for the determination of tocopherols and tocotrienols in vegetable oils by nanoliquid chromatography with UV-vis detection with best compromise between efficiency, resolution, and analysis time has been developed.
Fast separation and determination of sterols in vegetable oils by ultraperformance liquid chromatography with atmospheric pressure chemical ionization mass spectrometry detection.
TLDR
A method for the determination of sterols in vegetable oils by ultraperformance liquid chromatography (UPLC) with atmospheric pressure chemical ionization mass spectrometry detection has been developed and the content of main sterols present in several vegetable oils with different botanical origins was established.
Chemical Analysis and Antioxidant Activity of the Essential Oils of Three Piperaceae Species Growing in the Central Region of Cuba
TLDR
P. auritum showed the strongest antioxidant activity among the Piper species investigated, but lower than those of butylated hydroxyanisol and propyl gallate.
Study of chemical changes produced in virgin olive oils with different phenolic contents during an accelerated storage treatment.
TLDR
When the phenolic extract of the EVOO was studied, a decrease of the antioxidants first present in the sample and an increase of the oxidized products were observed, and oxidation seemed to produce the transformation of such phenolic compounds as secoiridoids and the appearance of oxidized forms of them.
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