Figure 2From: Hesperetin-7,3'-O-dimethylether selectively inhibits phosphodiesterase 4 and effectively suppresses ovalbumin-induced airway hyperresponsiveness with a high therapeutic ratioLog concentration-inhibition curves. Log concentration-inhibition curves of HDME (A-C) and reference drugs (D-F) on PDE1 (A, D), PDE3 (B, E), and PDE4 (C, F) activities.Back to article page