5SHU L,GAO S L.Researchand development of Platycodon grandiflorum Jacq.A.DC[J].Chin Wild Plant Resour,2001,20(2):4-6.
6YOON Y D,KANG J S,HAN S B,et al Activation ofmitogenactivated protein kinases and AP-l by polysaccharide isolated from the radix of platycodon grandiflorum in RAW 264.7 cells[J].International Immunopharmacology,2004,4(12):1 477-1 487.