Journal
TALANTA
Volume 189, Issue -, Pages 157-165Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2018.06.070
Keywords
Solid-phase extraction (SPE); Vegetable oil; Free fatty acids; Tocopherol; Phytosterols
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Funding
- King Abdul Aziz University in Kingdom of Saudi Arabia [K/33/10716]
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A possibility of harvesting the physiologically-active compounds from the vegetable oils using bespoke resin and optimised solid-phase extraction (SPE) purification method is demonstrated. The paper describes the application of SPE protocol, which was originally developed, using sunflower oil as model biomass, for extraction of the valuable compounds from sesame, wheat germ, palm, olive and soybean oils. As a result, the extraction of three free fatty acids (palmitic, oleic and linoleic), alpha-tocopherol and three phytosterols (campesterol, stigmasterol and beta-sitosterol) from six vegetable oils have been demonstrated. The comparison between the published data on the amount of the analysed compounds in the corresponding vegetable oils and presented here extraction results confirm that the developed method allowed not only quantitatively extract the physiologically-active components from various vegetable oils without any pre-treatment but also was reproducible, cost-effective and ecologically-conscious as consumed smaller volumes of organic solvents than commonly used protocols.
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