“Phytochemical Profiling in Different Solvent Systems and DPPH Radical Scavenging Activity of Cinchona Pubescens Leaf Extract Obtained from Ughelli, Delta State”. Sahel Journal of Life Sciences FUDMA 3, no. 4 (December 31, 2025): 435–442. Accessed February 23, 2026. https://saheljls.fudutsinma.edu.ng/index.php/saheljls/article/view/568.