Determination of the presence of alkaloids, some chemical compounds by colorimetric phytochemicals methods in five forage species. Revista Sistemas de Producción Agroecológicos, [S. l.], v. 3, n. 1, p. 57–72, 2012. DOI: 10.22579/22484817.593. Disponível em: https://ojs-unillanos-prueba.metarevistas.org/index.php/sistemasagroecologicos/article/view/593. Acesso em: 14 sep. 2026.