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  • Title: Comparative chemical composition, antioxidant and anticoagulant properties of phenolic fraction (a rich in non-acylated and acylated flavonoids and non-polar compounds) and non-polar fraction from Elaeagnus rhamnoides (L.) A. Nelson fruits.
    Author: Olas B, Żuchowski J, Lis B, Skalski B, Kontek B, Grabarczyk Ł, Stochmal A.
    Journal: Food Chem; 2018 May 01; 247():39-45. PubMed ID: 29277226.
    Abstract:
    This study focuses on two fractions from sea buckthorn (Elaeagnus rhamnoides (L.) A. Nelson) fruits: the phenolic fraction (rich in non-acylated and acylated flavonoids and non-polar compounds) and the non-polar fraction. The objective was to investigate both the chemical composition of these fractions, as well as their biological activities in vitro. The tested fractions of sea buckthorn inhibited lipid peroxidation induced by H2O2, however, the non-polar fraction reduced more powerfully the process induced by H2O2/Fe as compared to the phenolic fraction. The tested fractions of sea buckthorn fruits also inhibited carbonylation stimulated by H2O2/Fe. Moreover, the action of the phenolic fraction and non-polar fraction on hemostatic parameters of plasma was also compared to activities of other phenolic fraction, in which flavonoids were the dominant compounds. Our results indicate that sea buckthorn fruits are a rich source of different secondary metabolites, i.e. triterpenes and their derivates, which possess not only antioxidant properties, but may also display anticoagulant attributes.
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