Phytochemical profile and biological activities of Kerianthera preclara, Kutchubaea insignis, Pagamea duckei, Pagamea macrophylla, and Rudgea lanceifolia (Rubiaceae)
Rubiaceae is a botanical family recognized as a rich source of bioactive natural products with diverse pharmacological properties. However, the biological potential of many species within this family remains poorly explored. This study aimed to characterize the phytochemical profiles of hexane and methanolic extracts...