Screening method of callicarpa nudiflora extracting solution impurity removal process

The invention relates to the technical field of Chinese herbal medicine extracting solution impurity removal, and discloses a screening method of a callicarpa nudiflora extracting solution impurity removal process. Accprdong to the screening method, the used equipment comprises an LC-2010AHT high performance liquid chromatograph, an ultraviolet detector, an automatic sample injector, an LCsolutionchromatographic workstation, a LunaC18 (2) chromatographic column (4.6 mm*150 mm, 5 [mu]m), an AL-104 electronic balance, an XS-Dualrange analytical balance, a 85-2A magnetic heating stirrer, a DK-98-IIA type electric heating constant-temperature water bath kettle, a TDL-5 centrifugal machine and a 202AB-1 electric heating drying box. According to the invention, by investigating factors such as awater extraction and alcohol precipitation method, a centrifugation method, an n-butyl alcohol extraction method, an adsorption clarification method and the like and taking the solid matter removal rate, the content of verbas