title: [Fingerprint of ultramicro decoction piece of Rhizoma Cyperi by pergormance gas chromatography].
abstract: OBJECTIVE
  To study the ultramicro decoction piece of Rhizoma Cyperi and establish its fingerprint.
  
  
  METHODS
  Capillary gas chromatography was used to analyze the extracts of ultramicro decoction piece of Rhizoma Cyperi from 10 different sources.
  
  
  RESULTS
  The Fingerprint of ultramicro decoction piece of Rhizoma Cyperi was composed of 50 peaks, containing 10 characteristic peaks.
  
  
  CONCLUSIONS
  The fingerpint can be used to control the ultramicro decoction piece of Rhizoma Cyperi qualities.
authors.affiliation: Hunan Insititute of TCM, Changsha 410007, China.
authors.forename: Ya
authors.initials: Y
authors.lastname: Li
authors.forename: Yong-hua
authors.initials: YH
authors.lastname: Yang
mesh_terms: D002849:Chromatography, Gas / Q000379:methods*; D029785:Cyperaceae / Q000737:chemistry*; D010946:Plants, Medicinal / Q000737:chemistry*; D011786:Quality Control; D015203:Reproducibility of Results; D027343:Rhizome / Q000737:chemistry