Antioxidant & anticancer activities of isatin (1H-indole-2,3-dione), isolated from the flowers of Couroupita guianensis Aubl.

Background & Objectives: Derivatives of isatin are known to have cytotoxicity against human carcinoma cell lines. This compound therefore, has a potential to be used as a chemotherapeutic agent against cancer. This study was done to investigate the antioxidant and anticancer activities of isatin, extracted from flower of a folklore medicinal plant Couroupita guianensis against human promylocytic leukemia (HL60) cells.