Identification Of Selected Polyphenols In The Leaves Of Purple Coneflower (Echinacea Purpurea). Diversity Research: Journal of Analysis and Trends, [S. l.], v. 3, n. 05, p. 1–6, 2025. Disponível em: https://academiaone.org/index.php/2/article/view/1178. Acesso em: 21 jan. 2026.