Figure 6. Arctiin improved OVA-induced oxidative stress in lung tissues. C57BL/6 mice were divided into four groups: vehicle, Arctiin, OVA, and OVA+ Arctiin. (A) The levels of SOD activity; (B) The levels of GSH (n = 12, **P < 0.01 vs. vehicle group; ##P < 0.01 vs. OVA group).