An Antioxidant Quinoline Derivative Isolated from Pauridiantha Paucinervis Var. Lyalli (Rubiaceae)

Pauridiantha paucinervis var. Lyalli (Rubiaceae)[1][2] is a plant abounding in alkaloid compounds[3] of which the quinoline derivatives are majority. An has been isolated for first time this plant. The chemical formula compound C26H30N2O9 while its mass M = 514. This can be found and bought everywhere at markets herbalists on island. It widely known Malagasy traditional medicine. structure clarified by analyses NMR 1D 2D as well ESI-MS (coupled with HPLC) spectral data. test DDPH reagent thin layer silica gel chromatogram revealed that substance antioxidant activity [4]-[8].