Antioxidant activity test of ethanol extract of red algae (Kappaphycus alvarezii) green variety from north coasts of Jepara district with DPPH method. JOHMPE [Internett]. 19. januar 2023 [sitert 25. august 2026];1(1). Tilgjengelig på: https://shmpublisher.com/index.php/johmpe/article/view/133