Determination of Total Phenolic Content and Antioxidant Activity of Ethanol Extract of Green Tea Leaves (Camellia sinensis L.) Based on IC₅₀ Values Using the DPPH Method. JURNAL FARMASIMED (JFM), [S. l.], v. 9, n. 1, p. 706–715, 2026. DOI: 10.35451/jfm.v9i1.4060. Disponível em: https://ejournal.medistra.ac.id/index.php/JFM/article/view/4060. Acesso em: 1 nov. 2026.