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Issue 22, 2014
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Matrix solid-phase dispersion: a simple and fast technique for the determination of phenolic compounds in olive oil by liquid chromatography

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Abstract

A methodology was developed using matrix solid-phase dispersion, together with liquid chromatography with multiple wavelength detectors for the determination of 20 phenolic compounds in olive oil samples. Under optimized conditions, the analytes were extracted using 0.5 g of olive oil, 1.0 g of Florisil as a sorbent and 1 mL methanol–water (80 : 20 acidified with formic acid 0.5% (v/v)) as an eluting solvent. The proposed methodology provided detection and quantification limits of individual compounds in the ranges of 0.02–0.75 and 0.08–2.50 mg kg−1, respectively. The RSDs resulting from the analysis of six replicates of 0.5 g of a sample pool containing 2.5 mg kg−1 phenolic compounds were ranged between 2.1% and 14.8%. Considering matrix-matched calibration as a quantification technique, the average recoveries ranged from 74.8% to 95.0% with relative standard deviations between 1.5% and 9.3%. The developed methodology was applied for the determination of phenolic compounds in nine olive oils produced in Argentina, identifying seventeen analytes at concentrations above the detectable levels.

Graphical abstract: Matrix solid-phase dispersion: a simple and fast technique for the determination of phenolic compounds in olive oil by liquid chromatography

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Publication details

The article was received on 22 Aug 2014, accepted on 15 Sep 2014 and first published on 16 Sep 2014


Article type: Paper
DOI: 10.1039/C4AY01980F
Anal. Methods, 2014,6, 8986-8995

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    Matrix solid-phase dispersion: a simple and fast technique for the determination of phenolic compounds in olive oil by liquid chromatography

    R. P. Monasterio, A. R. Fontana and M. F. Silva, Anal. Methods, 2014, 6, 8986
    DOI: 10.1039/C4AY01980F

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