In Vitro Anti-Cancer Alkaloid and Flavonoid Extracted from the Erythrina variegata (Leguminoseae) Plant

Tati Herlina, Unang Supratman, Anas Subarnas, Supriyatna Sutardjo, Suseno Amien, Hideo Hayashi


Erythrina plants, locally known as “dadap ayam”, are higher plant species and have been used as a folk medicine for treatment of cancer. To prove the effectiveness of the leaves and stem bark of E. variegata as an anti-cancer agent, the assay in this research was focused on in vitro test towards breast cancer cell T47D. In the course of our continuing search for novel anti-cancer agent from Erythrina plants, the methanol extract of the leaves and stem bark of E. variegata showed significant anti-cancer activity against breast cancer cell T47D in vitro using the Sulphorhodamine B (SRB) assay. By using the anti-cancer activity to follow the separations, the methanol extract was separated by combination of column chromatography. The chemical structure of an anti-cancer compounds were determined on the basis of spectroscopic evidence and comparison with the previously reported and identified as an erythrina alkaloid (1) and isoflavonoid (2). Compounds (1-2) showed anti-cancer activity against breast cancer cell T47D used with IC50 of  1.0 and 3.3 µg/mL, respectively. This results strongly suggested that E. variegata is promising sources for anti-cancer agents.

Keywords: Anti-cancer, Erythrina variegata, Leguminoseae

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