The purpose of this experiment is to change the crystallization state of resveratrol and improve its solubility and dissolution in water by spray drying technology, so as to improve the feasibility of resveratrol in clinical application. The powder samples were spray-dried with different proportions of ethanol aqueous solution as dissolution medium. The powder samples were characterized by infrared spectroscopy, thermogravimetry/differential scanning calorimetry, and ultraviolet spectroscopy, and their dissolution characteristics were investigated. It was found that the solubility and dissolution rate of different groups of samples obtained by spray drying increased compared with resveratrol crystals, and 50% ethanol solution had the greatest solubilization effect. The experimental results show that this method has a positive effect on the solubility of resveratrol and can regulate its dissolution behavior.
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