Secondary lipid oxidation products of oil in white mustard seeds (sinapis albae semen)
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In this study secondary lipid oxidation products of oil in white mustard seeds were analysed. Ground white mustard seeds were extracted by solvent extraction and the extract was analysed by gas chromatographic-mass spectrometric instrumental analysis. (Semi)volatile compounds different from fatty acids represented less than 1% of all compounds present in the extract. Except from the naturally occurring flavour and aroma compounds, a whole series of saturated and unsaturated aldehydes with 1 or 2 double bonds was identified in the extract. It was shown that most of them can be useful indicators of lipid oxidation in white mustard seeds. Additionally, it was shown that these unsaturated aldehydes, when present in high concentrations, can be indicators of an early stage of lipid oxidation in this plant.
Keywords:oilseeds / lipid oxidation / degradation / extraction/separation / GC/MS
Source:Oxidation Communications, 2013, 36, 3, 669-675
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