Isolation and Identification of Saponin Compounds from the Butanol Extract of Majapahit Leaves (Crescentia cujete) Using Thin Layer Chromatography and Infrared Spectrophotometry. Celebes Biodiversitas, [S. l.], v. 1, n. 1, p. 1–6, 2018. Disponível em: https://ojs.unpatompo.ac.id/index.php/cb/article/view/558. Acesso em: 16 apr. 2026.