Evaluation of the antioxidant activity of five endemic Ligustrum species leaves from Taiwan flora in vitro

► Leaves of five Ligustrum plants are described in Taiwan flora and used as health tea. ► Ligustrum plants leaves exhibit appreciate radical-scavenging capacity against ROS. ► Ligustrum plants leaves inhibit lipid peroxidation and haemolysis in cell-based models. ► Ligustrum morrisonense is a potential source of natural antioxidants.