Phytochemical Analysis and Evaluation of Ethanol and Aqueous Extracts of Piliostigma thonningii Leaf for in vitro Antioxidant Activities . Nigerian Journal of Biochemistry and Molecular Biology, Nigeria, v. 37, n. 1, p. 72–81, 2022. Disponível em: https://www.nsbmb.org.ng/journals/index.php/njbmb/article/view/3. Acesso em: 20 nov. 2025.