Antileishmanial and Antiplasmodial Activities of Secondary Metabolites from the Root of Antrocaryon klaineanum Pierre (Anacardiaceae)

Gabrielle Ange Amang à Ngnoung, Lazare S. Sidjui, Peron B. Leutcha, Yves O. Nganso Ditchou*, Lauve R.Y. Tchokouaha, Gaëtan Herbette, Beatrice Baghdikian, Theodora K. Kowa, Desire Soh, Raoul Kemzeu, Madan Poka, Patrick H. Demana, Xavier Siwe Noundou*, Alembert T. Tchinda, Fabrice Fekam Boyom, Alain M. Lannang, Barthélemy Nyassé

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Antrocaryon klaineanum is traditionally used for the treatment of back pain, malaria, female sterility, chlamydiae infections, liver diseases, wounds, and hemorrhoid. This work aimed at investigating the bioactive compounds with antileishmanial and antiplasmodial activities from A. klaineanum. An unreported glucocerebroside antroklaicerebroside (1) together with five known compounds (2–6) were isolated from the root barks of Antrocaryon klaineanum using chromatographic techniques. The NMR, MS, and IR spectroscopic data in association with previous literature were used for the characterization of all the isolated compounds. Compounds 1–4 are reported for the first time from A. klaineanum. The methanol crude extract (AK-MeOH), the n-hexane fraction (AK-Hex), the dichloromethane fraction (AK-DCM), the ethyl acetate fraction (AK-EtOAc), and compounds 1–6 were all evaluated for their antiparasitic effects against Plasmodium falciparum strains susceptible to chloroquine (3D7), resistant to chloroquine (Dd2), and promastigotes of Leishmania donovani (MHOM/SD/62/1S). The AK-Hex, AK-EtOAc, AK-MeOH, and compound 2 were strongly active against Dd2 strain with IC50 ranging from 2.78 ± 0.06 to 9.30 ± 0.29 µg/mL. Particularly, AK-MeOH was the most active—more than the reference drugs used—with an IC50 of 2.78 ± 0.06 µg/mL. The AK-EtOAc as well as all the tested compounds showed strong antileishmanial activities with IC50 ranging from 4.80 ± 0.13 to 9.14 ± 0.96 µg/mL.

Original languageEnglish
Article number2730
JournalMolecules
Volume28
Issue number6
DOIs
Publication statusPublished - Mar 2023

Keywords

  • Antrocaryon klaineanum
  • anacardiaceae
  • antileishmanial activity
  • antiplasmodial activity
  • cerebroside

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