R.A. Islamy, V. Hasan, Sze-Wan Poong, Y. Kilawati, A.P. Basir, A.S. Kamarudin
This study aimed to assess the nutritional value, phytochemical composition, and antioxidant activity of Kappaphycus alvarezii cultivated in Integrated Multi-Trophic Aquaculture (IMTA) systems. The parameters were nutritional components, phytochemical content, and aAntioxidant activity. K. alvarezii exhibited substantial nutritional value, with notable protein (15.3%) and carbohydrate (60.0%) content, along with essential minerals such as calcium and magnesium. Phytochemical analysis revealed significant levels of polyphenols (20.0 mg GAE/g), flavonoids (5.5 mg QE/g), and tannins (3.0 mg CE/g), as well as noteworthy saponin (1.2%) and alkaloid (0.9%) contents. Antioxidant assays demonstrated strong activities, with 80.2% DPPH and 70.5% ABTS radical scavenging, a FRAP value of 600 μmol Fe2+/g, and a total antioxidant capacity of 150 mg AA/g. The findings indicate that K. alvarezii from IMTA systems is a valuable source of nutrients and bioactive compounds with significant antioxidant properties. © (2025), (University of Baghdad, College of Agriculture). All rights reserved.
PSDKU Aquac. Facu. Fish. Mar. Sci., Brawijaya University, Indonesia; Dept. Fish. Health. Manag. Aquac, Facu. Fish. Mar. Sci., Airlangga Univeristy, Indonesia; Instit. Biol. Sci., Facu. Sci., University of Malaya, Malaysia; Dept. Water Resour. Manag., Facu. Fish. Mar. Sci., Brawijaya University, Indonesia; Doctoral Prog. Mar. Sci., Facu. Fish. Mar. Sci., Diponegoro University, Indonesia
