Optimization of Extraction Solvent for Analysis of Total Phenolic and Antioxidant Activity of Guava Leaves (Psidium guajava) using Simplex Centroid Design. Jurnal Jamu Indonesia, [S. l.], v. 8, n. 3, p. 90–96, 2023. DOI: 10.29244/jji.v8i3.344. Disponível em: https://jamu-journal.ipb.ac.id/index.php/JJI/article/view/344. Acesso em: 21 nov. 2024.