Identification of andrographolide hydroxypropyl-β-cyciodextrin inclusion compound and study on its thermodynamic stability Preparation,identification and thermodynamic stability of capsaicin-hydroxypropyl-β-cyclodextrin inclusion compound Dispersing form of puerarin solid dispersion and its evaluation in vitro Identification of irisquinone hydroxypropyl-β-cyclodextrin inclusion compound and its thermodynamic stability