On the Procedures for the Extraction and Isolation of Flavonoids Present in the Methanolic Extract of Leaves of Acanthospermum Hispidiumdc. International Journal of Natural Sciences Research, [S. l.], v. 2, n. 2, p. 20–29, 2014. Disponível em: https://archive.conscientiabeam.com/index.php/63/article/view/2312. Acesso em: 5 aug. 2026.