Pramudya, A.S., Yachya, A. and Suparman, S. 2025. Effectiveness of Mangrove Kateng Leaf Extract (Avicennia lanata Ridl.) as a Natural Preservative for Fresh Vannamei Shrimp Meat (Litopenaeus vannamei). Medicra (Journal of Medical Laboratory Science/Technology). 8, 1 (Jul. 2025), 8-15. DOI:https://doi.org/10.21070/medicra.v8i1.1781.