Antioxidant Activity and Cytotoxicity against Human Cancer Cell Lines of the Aqueous Leaf Extracts of Smilax luzonensis, Hoya kerrii and Derris elliptica

Main Article Content

เบญจวรรณ ดุนขุนทด
พัชรวรรณ สิทธิศาสตร์

Abstract

This study aimed to evaluate the antioxidant activity and cytotoxic effect against various human cancer cell lines including HepG2, Jurkat and MCF-7 of the water leaf extracts of Smilax luzonensis (SLE), Hoya kerrii (HKE) and Derris elliptica (DEE). The extracts were used to evaluate total phenolics content (TPC), total flavonoids content (TFC), and antioxidant activity by using FRAP and DPPH assays. They were also tested for in vitro cytotoxic effect on human cancer cell lines by MTT assay. The results showed that the highest TPC, TFC and antioxidant activity were found in DEE, followed by SLE and HKE, respectively. DEE exhibited higher cytotoxicity to all tested human cancer cell lines than SLE and HKE, respectively. DEE showed the highest cytotoxic activity against jurkat (IC50= 0.20 mg/mL), followed by MCF-7 (IC50 = 0.42 mg/mL) and HepG2 (IC50= 0.76 mg/mL), respectively. Pearson’s correlation analysis indicated that TPC and TFC related to antioxidant activities of the extracts. The results suggested that DEE possessed high contents of TPC and TFC, thus having high antioxidant potential and cytotoxicity to all tested human cancer cell lines.

Article Details

Section
Research paper

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