Antibacterial Potential of Sargassum crassifolium Against Salmonella Typhi: A Narrative Review Faizza Najmi Ha-atiansyah Kusuma1, Agung Dwi Wahyu Widodo2* Abstract Typhoid fever, caused by Salmonella enterica serovar Typhi (S. Typhi), remains a global health problem, and antimicrobial resistance is narrowing treatment options. Sargassum crassifolium, a brown alga rich in metabolites,