A weakly antimalarial biflavanone from Rhus retinorrhoea

Autor: Farouk S. El-Feraly, Daneel Ferreira, Jaber S. Mossa, Mahmoud A. ElSohly, Abdel-Rahim S. Ibrahim, Samir A. Ross, Mohamed S. Ahmed, Ahmed M. Galal
Rok vydání: 2001
Předmět:
Zdroj: Phytochemistry. 58:599-602
ISSN: 0031-9422
DOI: 10.1016/s0031-9422(01)00244-8
Popis: The biflavanone (2S,2"S)-7,7"-di-O-methyltetrahydroamentoflavone and five known flavonoids, 7-O-methylnaringenin, 7,3'-O-dimethylquercetin, 7-O-methylapigenin, 7-O-methylluteolin, and eriodictyol were isolated from the leaves of Rhus retinorrhoea Steud, Ex Olive. The biflavanone exhibited moderate antimalarial activity with IC50 0.98 microg/ml against Plasmodium falciparum (W2 Clone) and weak activity against P. falciparum (D6 Clone) with IC50 2.8 microg/ml. Nevertheless, it did not display any cytotoxicity. 7-O-Methylnaringenin showed weak antimicrobial activity against Candida albicans, C. krusei, Staphylococcus aureus, Mycobacterium smegmatis, M. intracellulare, and M. xenopi with MIC approximately 100 microg/ml. Characterization of each compound was based on spectral analysis and comparison with reported data.
Databáze: OpenAIRE