Eugenol, also detected in Bronchom has also been evaluated for its in-vivo efficacy in a murine model of atopic asthma induced by ovalbumin, wherein it suppressed AHR, eosinophilic influx in BALF and the lungs as well as the release of IL-4 and IL-5 (Pan and Dong 2015). Here, IL4 is linked to atopic asthma.