title: [Herbalogical textual research On "Gegen"].
abstract: OBJECTIVE
  To provide further research with literature evidence of the variety origin, traditional effect and dosage.
  
  
  METHODS
  Textual research on medicinal works of past dynasties.
  
  
  RESULTS
  The origin plants are Pueraria lobata, P. thomosonii and P. eduli. Its present effect is the same as ancient literature. However the fresh juice of the plant used for the treatment of bitter by mad dog and aborticide as literature recorded should be proved by further researches. The dosage is different among past dynasties.
  
  
  CONCLUSIONS
  As one of the often used Chinese materia medica, Gegen has a bright prospect.
authors.affiliation: Institute of Chinese Material Medica, China Academy of Chinese Medicinal Sciences, Beijing 100700, China.
authors.forename: Qiong
authors.initials: Q
authors.lastname: Luo
authors.forename: Jin-da
authors.initials: JD
authors.lastname: Hao
authors.forename: Yua
authors.initials: Y
authors.lastname: Yang
authors.forename: Hong
authors.initials: H
authors.lastname: Yi
mesh_terms: D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000302:isolation & purification / Q000627:therapeutic use; D000930:Antidiarrheals / Q000302:isolation & purification / Q000627:therapeutic use; D004365:Drugs, Chinese Herbal / Q000302:isolation & purification / Q000627:therapeutic use*; D005334:Fever / Q000188:drug therapy; D006801:Humans; D008517:Phytotherapy / Q000379:methods* / Q000639:trends; D010946:Plants, Medicinal / Q000737:chemistry* / Q000145:classification; D029908:Pueraria / Q000737:chemistry* / Q000145:classification