Antioxidant Activity of Column Fractions and Caryatin Isolated from the Ethyl acetate Extract of Dioscorea hirtiflora tuber: doi.org/10.26538/tjnpr/v4i7.4. Tropical Journal of Natural Product Research , [S. l.], v. 4, n. 7, p. 276–281, 2020. Disponível em: https://www.tjnpr.org/index.php/home/article/view/1166. Acesso em: 2 jan. 2026.