OBJE CTIVE:study on extro ction process of flovonoids in Flos Lonicerae. METHODS:The orthogonal test was adopted to ve search the effects of 4 factors on the yielding rate of flavo noids from flos lonicerae, RESULTS:The concentration of 80% ethanol was 30 times raw herbtodouse the dried the dried flos Lonicevae for 24 hours,and altrasonic treatment lasted for ane hour.The extraction of flavonoids was as high as 3.2%. CONLUSION:This process is characterized with simple operation safe operate save of fuel and...