Abstract
The extraction of phenolic antioxidants from solid plant raw materials (bark and roots) under the action of an electric current was studied. A relationship between the amount and antioxidant activity of extracted phenolic compounds with the particle size and the procedure of grinding plant raw material was found. The most complete extraction of phenols was reached in experiments with ground samples. The resulting extracts from the bark of arrowwood (Viburnum opulus L.) and the root of burnet (Sanguisorba officinalis L.) were superior to the extracts obtained by circulation extraction in a Soxhlet extractor in terms of the antioxidant activity, and they increased the stability of sunflower oil to oxidation by a factor of 2–3.
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Original Russian Text © N.Yu. Gribova, T.A. Filippenko, A.N. Nikolaevskii, N.I. Belaya, A.A. Tsybulenko, 2008, published in Zhurnal Analiticheskoi Khimii, 2008, Vol. 63, No. 11, pp. 1137–1140.
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Gribova, N.Y., Filippenko, T.A., Nikolaevskii, A.N. et al. Optimization of conditions for the extraction of antioxidants from solid parts of medicinal plants. J Anal Chem 63, 1034–1037 (2008). https://doi.org/10.1134/S1061934808110038
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DOI: https://doi.org/10.1134/S1061934808110038