chinese name: jiegeng botanial name: platycodon grandiflorum [origin habitat ]: anhui [chemical composition ]: pl-atycodigenin , polygaladicacid , a little platycogeicaci-d a,b,c, prosapogenin , 3-0-β-glucosyl , platycodigenin , platycodoside , platycodosided , α-spinasterol , α-spinasterol-β-d-glucoside , betulin is a kind of other grass , delphinidin-3-dicaffeiylru tinoside-5-gluciside . [p harmacological action ]: 1. to promot respiratory liquid in dog to be out , its expectorant effect is tival to amnoria chloride . 2. having dissolve blood function , so it can only be oraled not be injected . 3. platycodoside can increase the secretion of steroid and acid , and reduce cholesterol in the liver of rats .