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  • Title: Zebiriosides A-L, oleanane saponins from the roots of Dendrobangia boliviana.
    Author: Zebiri I, Haddad M, Duca L, Harakat D, Cabanillas B, Paloque L, Scandolera A, Sauvain M, Rengifo E, Voutquenne-Nazabadioko L.
    Journal: Phytochemistry; 2016 Oct; 130():262-72. PubMed ID: 27358036.
    Abstract:
    Twelve oleanane saponins, zebiriosides A-L, were isolated from the roots of Dendrobangia boliviana Rusby, together with two known saponins, talunùmoside I and 3-O-β-d-glucuronopyranosyl serjanic acid. These saponins are glycosides of serjanic or phytolaccinic acid. Their structures were established on two basis: first, their spectral data, mainly HR-TOFESIMS, 1D-NMR ((1)H, (13)C, DEPT) and 2D-NMR ((1)H(1)H COSY, TOCSY, HSQC, HMBC, and ROESY), and second by comparison with literature data. These compounds were evaluated for their cytotoxic, antileishmanial and hemolytic activities. No antileishmanial or hemolytic activities were revealed, however zebirioside C and zebirioside I showed cytotoxicity against fibroblasts with IC50 of 6.4 and 5.6 μM, respectively.
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