AG. KIRWANTO; SUSILO Y; RONAL T. The Effect Of Maceration Extract And Sonication Extract Of Seeds Areca Nut ( Areca Catechu L.) On Antioxidant Activity On Dpph Free Radicals ( 1,1-Diphenyl-2-Picrylhydrazyl ). J-CEKI : Jurnal Cendekia Ilmiah, [S. l.], v. 5, n. 1, p. 3831–3837, 2025. DOI: 10.56799/jceki.v5i1.14559. Disponível em: https://al-haramjournal.co.id/J-CEKI/article/view/14559. Acesso em: 26 aug. 2026.