Effects of Epimedium Total Flavonoids Phytosomes on Preventing and Treating Bone-loss of Ovariectomized Rats Preparation of dry powder inhalation based on phytosomes-chitosan microspheres by spray-drying method and study on its characterization Experimental study on effect of anhydroicaritin phytosomes in preventing and treating bone loss and enhancing bone quality in ovariectomized osteoporosis rats Preparation of icaritin phytosomes and their solid dispersions