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  • Title: Chemical composition, antioxidant, antimicrobial and antiproliferative activities of the extracts isolated from the pomace of rowanberry (Sorbus aucuparia L.).
    Author: Bobinaitė R, Grootaert C, Van Camp J, Šarkinas A, Liaudanskas M, Žvikas V, Viškelis P, Rimantas Venskutonis P.
    Journal: Food Res Int; 2020 Oct; 136():109310. PubMed ID: 32846519.
    Abstract:
    In the present work, acetone, ethanol and water extracts of rowanberry (Sorbus aucuparia L.) pomace were evaluated for their antiproliferative, antimicrobial and antioxidative effects. Chemical composition of the extracts was determined by UPLC-ESI-MS/MS and spectrophotometric methods. Neochlorogenic and chlorogenic acids were the major phenolic compounds. The water extract contained the highest total proanthocyanidins content (301 ± 18.9 mg/g) and demonstrated the highest antioxidant activity in the all assays (DPPH, FRAP and ORAC). Extracts isolated from rowanberry pomace effectively inhibited the growth of undesirable microorganisms, especially Gram-positive bacteria. Acetone extract was the strongest antimicrobial agent followed by water and ethanol extracts. Acetone and water extracts demonstrated also higher cytotoxic potential in cell viability assays (SRB and MTT) using Caco-2 cells. In general, the results suggest that rowanberry pomace is a promising source of natural compounds with antioxidant and biological activities.
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