Antioxidan Activity from Methanol Extract of Kratom Leaves (Mitragyna speciosa) Maseration Result Using The DPPH Method: Aktivitas Antioksidan Ekstrak Metanol Daun Kratom (Mitragyna speciosa) Hasil Maserasi Menggunakan Metode DPPH. Journal Pharmasci (Journal of Pharmacy and Science), [S. l.], v. 8, n. 2, p. 137–142, 2023. DOI: 10.53342/pharmasci.v8i2.357. Disponível em: https://ejournal.akfarsurabaya.ac.id/index.php/jps/article/view/357. Acesso em: 2 apr. 2026.