Journal ArticleDOI
Detection of olive oil adulteration with canola oil from triacylglycerol analysis by reversed-phase high-performance liquid chromatography
E. Salivaras,A.R. McCurdy +1 more
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TLDR
In this paper, the use of reversed-phase high-performance liquid chromatography (RP-HPLC) was used to detect adulteration of olive oil with less expensive canola oil.Abstract:
The objective of this study was to explore the use of reversed-phase high-performance liquid chromatography (RP-HPLC) as a means to detect adulteration of olive oil with less expensive canola oil. Previously this method has been shown to be useful in the detection of some other added seed oils; however, the detection of adulteration with canola oil might be more difficult due to similarities in fatty acid composition between canola oil and olive oil. Various mixtures of canola oil with olive oils were prepared, and RP-HPLC profiles were obtained. Adulteration of olive oil samples with less than 7.5% (w/w) canola oil could not be detected.read more
Citations
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Authentication of vegetable oils by chromatographic techniques.
TL;DR: Determination of trans-fatty acid and sterolic composition, together with sterol-dehydration products, have been used most frequently used to detect contamination and adulteration.
Journal ArticleDOI
Effectiveness of determinations of fatty acids and triglycerides for the detection of adulteration of olive oils with vegetable oils
TL;DR: In this paper, the effectiveness of determinations of fatty acids and triglycerides in the detection of adulteration of olive oil with certain vegetable oils was investigated, up to the level of 5%.
Journal ArticleDOI
Detection of virgin olive oil adulteration by Fourier transform Raman spectroscopy.
TL;DR: In this article, the combination of Fourier transform-Raman spectroscopy with multivariate procedures has been used for predicting the level of adulteration in a set of virgin olive oil samples that were adulterated with soybean, corn, and raw olive residue (olive pomace) oils at 1, 5, and 10%, respectively.
Journal ArticleDOI
Triacylglycerol Profiling by Using Chromatographic Techniques.
TL;DR: Application of gas-liquid chromatography, high-performance chromatography in normal and reversed phase mode, thin-layer chromatography and supercritical fluid chromatography for the qualitative and quantitative determination of TGs is reviewed and emphasis is put on those factors that are decisive for obtaining reliable quantitative data.
Journal ArticleDOI
Detecting and quantifying sunflower oil adulteration in extra virgin olive oils from the eastern mediterranean by visible and near-infrared spectroscopy
TL;DR: A number of multivariate mathematical approaches were investigated to detect and quantify the sunflower oil adulterant, and the most successful models were identified.
References
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Effect of monounsaturated fatty acids versus complex carbohydrates on high-density lipoproteins in healthy men and women
R.P. Mensink,Martijn B. Katan +1 more
TL;DR: The results clearly show that the olive-oil-rich diet, unlike the complex-carbohydrate- rich diet, caused a specific fall in non-HDL cholesterol while leaving serum triglyceride levels virtually unchanged.
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Recent advances in the high performance liquid chromatography of lipids.
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Authentication of virgin olive oils using principal component analysis of triglyceride and fatty acid profiles: Part 2—Detection of adulteration with other vegetable oils
TL;DR: In this paper, the effect of incorporating 10 or 20% w/w of maize, cottonseed, sunflower, soyabean or rapeseed oil in olive oil on both the triglyceride and fatty acid compositions was studied.
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HPLC separation of natural oil triglycerides into fractions with the same carbon number and numbers of double bonds
TL;DR: In this article, a high performance liquid Chromatographie method was developed and tested on palm oil, low-erucic-acid rapeseed oil and cocoa butter, and the results showed that the fractions were very pure and had simple triglyceride composition with only one totally dominating triglyceride type in almost all cases.