Objective:To investigate the optimum extraction condition and a simple effective analysis method of total flavoniod from Flemingia philippinensis.Method:Solely solvent extraction,orthogonal experiment and comparison with heating reflux extraction were employed to investigate the extraction condition of total flavonoid with mathanol using supersonic wave from F.philippinensis.The total flavonoid content was determined by rutin and genstein standard samples and the results was aided to determine by HPLC.Resul...