“Furthermore, arctiin and arctigenin dose‐dependently inhibited histamine, and the activities … phospholipase A2 (PLA2) and eosinophil peroxidase (EPO) in BALF, respectively, whereas matairesinol inhibited EPO and PLA2 at ….5 mg/kg and histamine at 50 mg/kg, in addition, they moderately improved the infiltration of eosinophils, compared with controls.”