wild platycodon grandiflorunm(jacp.)a.dc. extracts are extracted by advanced co2 supercritical extraction technology from wild platycodon grandiflorunm (jacp.)a.dc.origin of daxinganling region in china.the content level of effective materials is up to 96%, this product has been exported to eu,japan, south-east asia etc.the physical level and microbiological level can meet well the export standards.