Antioxidant activity test of ethanol extract of red algae (Kappaphycus alvarezii) green variety from north coasts of Jepara district with DPPH method. JOHMPE [Internet]. 19 Januari 2023 [dikutip 25 Agustus 2026];1(1). Tersedia pada: https://shmpublisher.com/index.php/johmpe/article/view/133