HATIDJA, Monica; KEPEL, Billy J.; BUDIARSO, Fona D.H; MANAMPIRING, Aaltje E.; FATIMAWALI, Fatimawali. In Vitro Antioxidant Activity Test of Brown Algae (Sargassum polycystum) Ethanol Extract Using the DPPH Method. Jurnal Ilmiah Sains, [S. l.], v. 26, n. 2, p. 176–188, 2026. DOI: 10.35799/jis.v26i2.65519. Disponível em: https://ejournal.unsrat.ac.id/v3/index.php/JIS/article/view/65519. Acesso em: 7 nov. 2026.