Rahmasari, N.D. et al. 2026. The Effect of Seaweed Carrageenan (Kappaphycus Alvarezii) Concentration on Vitamin C Content, Moisture Content, pH and Sensory Characteristics of Tomato Sauce. Grouper. 17, 1 (Apr. 2026), 154–164. DOI:https://doi.org/10.30736/grouper.v17i1.411.