CHEMICAL COMPOSITION OF THE PURPLE CONEFLOWER (ECHINACEA PURPUREA) PLANT. Modern American Journal of Biological and Environmental Sciences, [S. l.], v. 1, n. 2, p. 34–43, 2025. Disponível em: https://usajournals.org/index.php/5/article/view/112. Acesso em: 11 sep. 2025.