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Vanda Selvana Kamu
Department of Chemistry Faculty of Mathematics and Natural Sciences Sam Ratulangi University, Manado, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Mathematics Physics

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Chemical Characterization and Antioxidant Activity of Ethanol and n-Hexane Extract of Pangi Leaves (Pangium edule Reinw. ex Blume) Jonathan Cavin Ezra Sinaga; Hartanto Bisma; Josua Tampara; Max Revolta John Runtuwene; Vanda Selvana Kamu; Dewa Gede Katja; Lidya Irma Momuat
Jurnal Ilmiah Sains Volume 26 Issue 1, April 2026
Publisher : Sam Ratulangi University, Manado, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35799/jis.v26i1.63487

Abstract

Pangi leaves (Pangium edule Reinw. ex Blume) are a type of plant that is often consumed by the people of North Sulawesi. This study aims to determine the total phenolic content, chemical characterization using GC-MS and FTIR, and antioxidant activity of pangi leaves using solvents that have different polarities. Total phenolics were measured using the Folin-Ciocalteu method. Antioxidant activity was evaluated using the DPPH method. The total phenolic content showed that the ethanol extract had a content of 17.94 μg/mL and the n-hexane extract was 12.94 μg/mL. The ethanol extract (IC50 = 656.39 μg/mL) had better antioxidant activity than the n-hexane extract (IC50 = 1991.76 μg/mL). Based on the GCMS results, 19 compounds were obtained from the ethanol extract and 16 compounds from the n-hexane extract. The FTIR results of the ethanol extract and n-hexane extract have functional groups -OH, aliphatic C-H, C=C (alkene or aromatic), C=O, and C-O. Keywords: Antioxidants; GCMS analysis; FTIR analysis; pangi leaves; DPPH
Co-Authors Dewa Gede Katja Hartanto Bisma Jonathan Cavin Ezra Sinaga Josua Tampara Lidya Irma Momuat Max Revolta John Runtuwene