“…On the other hand, there are many studies due to the inhibitory effects of curcumin on 5-LOX and COX-2 (Rao, 2007). Furthermore, curcumin has shown these inhibitory effects in the airway studies (Kumari, Singh, Dash, & Singh, 2019;Yuan, Liu, Ma, Zhang, & Xie, 2018). Thus, curcumin is likely to inhibit the activity of bradykinin by inhibiting the COX enzyme (Figure 3).…”