NATASYA, S. A.; PUTRI, D. K.; SARI, R. I. P.; SLAMET, S.; MULIA, P.; NURFITRIYANA, N. Determination of total alkaloid content in 70% and 96% ethanol extracts of red seaweed (Eucheuma spinosum) obtained by maceration using UV-Vis spect. Indonesian Journal of Health Science, [S. l.], v. 6, n. 3, p. 548–556, 2026. DOI: 10.54957/ijhs.v6i3.2261. Disponível em: https://jurnalku.org/index.php/ijhs/article/view/2261. Acesso em: 25 jun. 2026.