Antiplasmodial and antileishmanial flavonoids from Mundulea sericea

Citation:
Chepkirui C, Ochieng PJ, Sarkar B, Hussain A, Pal C, Yang LJ, Coghi P, Akala HM, Derese S, Ndakala A, Heydenreich M, Wong VKW, Erdélyi Máté, Yenesew A. "Antiplasmodial and antileishmanial flavonoids from Mundulea sericea." Fitoterapia. 2021;149:104796.

Abstract:

Description
Five known compounds (1–5) were isolated from the extract of Mundulea sericea leaves. Similar investigation of the roots of this plant afforded an additional three known compounds (6–8). The structures were elucidated using NMR spectroscopic and mass spectrometric analyses. The absolute configuration of 1 was established using ECD spectroscopy. In an antiplasmodial activity assay, compound 1 showed good activity with an IC50 of 2.0 μM against chloroquine-resistant W2, and 6.6 μM against the chloroquine-sensitive 3D7 strains of Plasmodium falciparum. Some of the compounds were also tested for antileishmanial activity. Dehydrolupinifolinol (2) and sericetin (5) were active against drug-sensitive Leishmania donovani (MHOM/IN/83/AG83) with IC50 values of 9.0 and 5.0 μM, respectively. In a cytotoxicity assay, lupinifolin (3) showed significant activity on BEAS-2B (IC50 4.9 μM) and HePG2 (IC50 10.8 μM …

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