Comparison Activity Test of Antioxidant of Water Extract Coffee Robusta (Coffea canephora) and Water Extract Coffee Arabica (Coffea arabica) with the Method DPPH (1,1-difenil-2-pikrilhidrazil). International Journal of Life Science and Agriculture Research , [S. l.], v. 3, n. 07, p. 633–637, 2024. DOI: 10.55677/ijlsar/V03I7Y2024-20. Disponível em: https://ijlsar.org/index.php/ijlsar/article/view/325. Acesso em: 5 apr. 2025.