Abstract
By the example of oleanolic acid (OA), we evaluate the potential of subcritical water (SBW) extraction as a means of isolating pharmaceutically and nutraceutically important compounds from an olive leaf (Olea europaea L.). We show that, with SBW as an extraction fluid, OA can be isolated from the olive leaf with a yield comparable to that achieved with conventional extraction methods, which eliminates the need for using expensive, and often, toxic organic solvents. In addition, the time spent on extraction process decreases by a factor of four.
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Funding
This study was supported by the Ministry of Science and Higher Education of the Russian Federation (state assignment in the field of scientific activity, project no. 0852-2020-0031) and the Russian Foundation for Basic Research (grant no. 19-33-90211-Aspiranty).
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Translated by A. Kukharuk
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Maksimenko, E.V., Khizrieva, S.S., Borisenko, S.N. et al. Subcritical Water Extraction as a Means of Isolating Oleanolic Acid from an Olive Leaf (Olea europaea L.). Russ. J. Phys. Chem. B 15, 1196–1199 (2021). https://doi.org/10.1134/S1990793121070083
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DOI: https://doi.org/10.1134/S1990793121070083