Peanut hull is very abundant, the flavonoids of which are provided with many reported physiological function and applied in the fields of medicine, cosmetic and health food. The thesis has developed a highly efficient extraction and purification process of peanut hull flavonoids, including the analysis and determination of flavonoids, optimization of extraction and purification conditions, furthermore antioxidation and antibacterial activity of the peanut hull flavonoids are analyzed. The techno...