Abstract
AbstractThe wax ester fractions of solvent‐extracted sunflower oil and “extra virgin” olive oil were obtained by solid‐phase extraction and subsequently subjected to gas‐chromatographic and gas chromatographic‐mass spectrometric analysis. The comprehensive qualitative analysis of these fractions, which was carried out by the interpretation of mass spectral data, revealed several types of wax esters. In olive oil, shortchain, even‐numbered wax esters, saturated and unsaturated long‐chain, even‐numbered wax esters, benzyl esters, and the diterpenic esters phytyl and geranylgeranyl ester (the latter as a minor component) are present. With the exception of benzyl esters, all these esters occur in sunflower oil as well, but in considerably different amounts compared to those in olive oil. Whereas unsaturated wax esters are present in a negligible amount, diterpenic esters, mainly geranylgeranyl esters, represent the major part of the wax ester fraction.
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