Article · Volume 11, Issue 1 · pp. 166–172

Cytotoxicity, Antioxidant Activity, and Total Phenolic Content of the Ethanolic Leaf Extract of Hornstedtia conoidea Ridl

Gina Barbosa Barbosa¹, Cresilda Vergara Alinapon¹, Melania Manginsay Enot¹, Gloria Jesusa Detecio Baltazar¹, Emma Orbita Buncales¹, Analyn Galo Gultiano¹, Aileen May Gabule Ang¹

¹Department of Chemistry, Central Mindanao University, University Town, Musuan, Bukidnon, PHILIPPINES.

Abstract

This study uncovers the potential benefits of the leaves of the less explored Philippine endemic Hornstedtia conoidea. This study aimed to determine the total phenolic content (TPC), total flavonoid content (TFC), total antioxidant activity (TAA), and cytotoxicity of the ethanolic leaf extract of the H. conoidea. TPC, TFC, and TAA were determined using the Folin-Ciocalteu method, aluminum chloride method, and phosphomolybdenum method, respectively. Cytotoxicity was determined via brine shrimp lethality assay (BSLA). The TPC, TFC, and TAA of the extract were 13.29 ± 0.32, 6.87 ± 0.26, and 261.60 ± 6.06 mg/g dry sample, respectively. The extract exhibited toxicity with LC50 of 24.61 mg/L based on BSLA. Ethanolic leaf extract of H. conoidea possesses antioxidative activity and cytotoxic properties.

Keywords: Antioxidant activity; Brine Shrimp Lethality Test; cytotoxicity; Hornstedtia conoidea; Total phenolic content

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