“In in vivo experimental asthma model, moreover, apocynin significantly attenuated ovalbumin‐induced airway hyperresponsiveness and inflammation, as shown by the attenuation of total inflammatory cell and soluble product influx into bronchoalveolar lavage fluid, such as macrophages, eosinophils, IL‐4, IL‐5, IL‐12, IL‐13 and TNF‐α.”