Method for extracting peroxyergosterol from wall-broken ganoderma lucidum spore powder

The invention provides a method for extracting peroxyergosterol from wall-broken ganoderma lucidum spore powder. The method comprises preparation of peroxyergosterol crude extract, medium-pressure preparative chromatography purification, simulated-moving-bed purification and recrystallization. The method is simple and stable in technology, and applicable to industrialized continuous production, the product yield is relatively high and production cost is low.