Determination of Total Phenol, Alkaloid Content and Antioxidant Activity Test of Green Coffee Bean Water Extract and Arabica Black Coffee (Coffea arabica L). Health Living Journal : Jurnal Ilmu Kesehatan, [S. l.], v. 2, n. 1, p. 155–163, 2025. Disponível em: https://jurnal.usp.ac.id/index.php/health-living-journal/article/view/219. Acesso em: 4 jun. 2026.