Fig. 4From: Effects of treatment with Astragalus Membranaceus on function of rat leydig cellsEffect of AM treatment on the activities of SOD and GPx in Leydig cells. Cells were treated with 0 μg/mL, 10 μg/mL, 20 μg/mL, 50 μg/mL, 100 μg/mL and 150 μg/mL of AM. a SOD activity. b GPx activity. Results are depicted as mean +/- SE, * P < 0.05, ** P < 0.01Back to article page