QOLBI, R. A.; AL AZZAHRA, Y. Analysis of Alkaloid Content in Extract and Fractions of Trembesi Seeds (Samanea saman Merr.) Based on Solvent Polarity Using UV-Vis Spectrophotometry. Journal of Pharmaceutical and Sciences, [S. l.], v. 9, n. 1, p. 494–503, 2026. DOI: 10.36490/journal-jps.com.v9i1.1101. Disponível em: https://journal-jps.com/new/index.php/jps/article/view/1101. Acesso em: 23 feb. 2026.