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Antiplasmodial Oleanane Triterpenoids from Root Bark.

Authors:
Mamadou A Baldé Emmy Tuenter Mohamed S Traoré Laura Peeters An Matheeussen Paul Cos Guy Caljon Tom Vermeyen Wouter Herrebout Aliou M Balde Kenn Foubert Luc Pieters

J Nat Prod 2021 Mar 5;84(3):666-675. Epub 2021 Mar 5.

Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium.

Phytochemical investigation of the -BuOH extract of the roots of Sc. Elliot (Combretaceae) led to the isolation and identification of 10 oleanane triterpenoids (-), among which six new compounds, i.e., albidanoside A (), albidic acid A (), albidinolic acid (), albidienic acid (), albidolic acid (), and albidiolic acid (), and two triterpenoid aglycones, i.e., albidic acid B () and albidic acid C (), were isolated here for the first time from a natural source, along with two known compounds. The structures of these constituents were established by means of 1D and 2D NMR spectroscopy and ESI mass spectrometry. The isolated compounds were evaluated for their antiplasmodial and antimicrobial activity against the chloroquine-resistant strain K1, , and . Compounds -, , , and showed moderate antiplasmodial activity with IC values between 5 and 15 μM. None of the tested compounds were active against or . These findings emphasize the potential of as a source for discovery of new antiplasmodial compounds.

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http://dx.doi.org/10.1021/acs.jnatprod.0c01119DOI Listing
March 2021

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Antiplasmodial Oleanane Triterpenoids from Root Bark.

Authors:
Mamadou A Baldé Emmy Tuenter Mohamed S Traoré Laura Peeters An Matheeussen Paul Cos Guy Caljon Tom Vermeyen Wouter Herrebout Aliou M Balde Kenn Foubert Luc Pieters

J Nat Prod 2021 Mar 5;84(3):666-675. Epub 2021 Mar 5.

Natural Products & Food Research and Analysis (NatuRA), Department of Pharmaceutical Sciences, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium.

Phytochemical investigation of the -BuOH extract of the roots of Sc. Elliot (Combretaceae) led to the isolation and identification of 10 oleanane triterpenoids (-), among which six new compounds, i.e. Read More

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March 2021
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