The invention provides an extraction and
separation method of sculellaria barbata general flavone, and belongs to the technical field of extraction and separation. Comprising the following steps: S1, adding sculellaria barbata
powder into an extracting solution, heating, performing ultrasonic extraction, filtering, and performing vacuum concentration to obtain a sculellaria barbata extracting solution; s2, adding the sculellaria barbata extracting solution into
petroleum ether for extraction, oscillating, standing and layering, and reserving a lower-layer water phase as a degreased flavone enrichment solution; s3, extracting the degreased flavone enrichment liquid and a
petroleum ether /
ethyl acetate mixed liquid for multiple times, separating and taking an upper
ethyl acetate phase, combining, and removing a
solvent under reduced pressure to obtain an extraction liquid; s4, carrying out static adsorption on the extract and the modified resin microspheres, eluting with an
ethanol solution after adsorption saturation, collecting the eluate, and removing the
solvent under reduced pressure to obtain a purified solution; and S5, freeze-
drying the purified liquid to obtain the sculellaria barbata general flavone. According to the method, the
petroleum ether and the
ethyl acetate are mixed for use for extraction, the modified resin microspheres are used for purification, the extraction purity is greatly improved, and the method has the advantages of being easy to operate, mild in condition and the like.