TY - JOUR T1 - Isolation of quinoline alkaloids from three Choisya species by high-speed countercurrent chromatography and the determination of their antioxidant capacity JO - Revista Brasileira de Farmacognosia A1 - Leitão, Gilda G. A1 - Pereira, Joao Paulo B. A1 - Carvalho, Patricia R. de A1 - Ropero, Denise R. A1 - Fernandes, Patricia D. A1 - Boylan, Fabio SN - 0102-695X UL - 10.1016/j.bjp.2017.01.003 VL - 27 Y1 - 2017 PB - Brasil ER -