Four New Quassinoids from the Roots of Eurycoma Longifolia Jack

Overview

Journal Fitoterapia

Publisher Elsevier

Specialties Pharmacology
Rehabilitation Medicine

Date 2014 Feb 12

PMID 24513570

Citations 9

Authors

Dali Meng

Xin Li

Lingfei Han

Lulu Zhang

Weiwei An

Xian Li

Affiliations

Soon will be listed here.

Abstract

Seven compounds were isolated from the roots of Eurycoma longifolia, and characterized by comprehensive analysis of 1D and 2D NMR experiments along with single crystal X-ray diffraction. Among them, four new quassinoids were identified and three of them were diastereomers for each other. Compounds 1-7 were evaluated for cytotoxicities against HT-29, MCF-7, LOVO, BGC-823, MGC-803, HepG2, HeLa, and A549 cancer cell lines. Compounds 2 and 5 exhibited the lowest IC50 values of 24.9 μM, 11.8 μM, and 44.1 μM, 14.1 μM towards MCF-7, MGC-803 cancer cell lines, respectively, while compound 6 exhibited moderate cytotoxicity towards all the selected cancer cell lines.

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