Widyastuti, A.I.N., Wulandari and Masduqi, A.F. 2023. Antioxidant activity test of ethanol extract of red algae (Kappaphycus alvarezii) green variety from north coasts of Jepara district with DPPH method. Journal of Health Management and Pharmacy Exploration. 1, 1 (Jan. 2023). DOI:https://doi.org/10.52465/johmpe.v1i1.133.