Quercetin is of high interest in pharmaceutical industry due to its antioxidant activity and potential therapeutic effects on airway inflammation and cardiovascular diseases. However, the application of quercetin is limited due to its low water solubility and poor stability. Cyclodextrins (CDs)are macrocyclic molecules able to form inclusion complex with guest molecules, effectively enhancing their solubility, stability and bioavailability. In order to overcome the defect of quercetin, we prepared inclusion complexes of quercetin with three dif...