Sekti BH, Gadis A R, Nurfitria N. AKTIVITAS ANTIOKSIDAN EKSTRAK DAUN UNGU (Graptophyllum pictum L. Griff) MENGGUNAKAN METODE DPPH (1,1-DIPHENYL-2-PICRYHYDRAZYL). j. insan. cendekia. [Internet]. 2022Nov.22 [cited 2026Sep.26];9(2):140-7. Available from: https://ejournal.itskesicme.ac.id/index.php/jic/article/view/982