Phytochemical Screening, Isolation and Characterization of Leaf Extract from Paullinia pinnata L. (Sapindaceae). Jewel Journal of Scientific Research, [S. l.], v. 11, n. 1, p. 66–73, 2026. Disponível em: https://jjsr.org/index.php/jjsr/article/view/166. Acesso em: 27 oct. 2026.