Cyril, Ogbiko, Eboka C Jonathan, and Okoye F.B. Chiedu. 2025. “Antimicrobial and Antioxidant Xanthone Derivative from Piliostigma Thonningii Leaf”. Tropical Journal of Phytochemistry and Pharmaceutical Sciences 4 (8):329 – 333. https://doi.org/10.26538/tjpps/v4i8.2 .