Antioxidant Activity Test of Pine Leaf Herbal Tea (Pinus merkusii) with Addition of Stevia Leaves (Stevia rebaudiana) as a Natural Sweetener Using DPPH Method. Journal of Tropical Pharmacy and Chemistry , [S. l.], v. 10, n. 1, p. 50–56, 2026. DOI: 10.30872/jtpc.v10i1.356. Disponível em: https://jtpc.ff.unmul.ac.id/index.php/jtpc/article/view/356. Acesso em: 2 apr. 2026.