title: [HPLC determination of six components in zedoary turmeric oil and its related injections].
abstract: OBJECTIVE
  To establish an HPLC method to simultaneously determine six ingredients in zedoary turmeric oil and its related injections.
  
  
  METHODS
  HPLC analysis was performed on Waters Symmetry C18 (4.6 mm x 250 mm, 5 microm). The mobile phase was composed of methanol and water solution in gradient elution mode with at a flow rate of 1.0 mL x min(-1). The column temperature was 30 degrees C and the UV detection wavelength was 215 nm.
  
  
  RESULTS
  The six ingredients were separated well. The linear ranges of curdione, curcumol, germacrone, curzerene, furanodiene and beta-elemene were 1.74-347.00, 2.38-475.00, 2.49-497.00, 2.07-826.00, 5.05-1009.00, 4.78-955.00 mg x L(-1) (r > or = 0.9996), respectively. The average recoveries were above 95% (RSD <3.0%, n=9).
  
  
  CONCLUSIONS
  The method is accurate, reliable and reproducible, it can be used for the quality control of zedoary turmeric oil and its related injections.
authors.affiliation: National Institute for Control of Pharmaceutical and Biological Products, Beijing 100050, China. hehuan_725@yahoo.cn
authors.forename: Huan
authors.initials: H
authors.lastname: He
authors.forename: Shuangcheng
authors.initials: S
authors.lastname: Ma
authors.forename: Songjiu
authors.initials: S
authors.lastname: Tian
authors.forename: Qiming
authors.initials: Q
authors.lastname: Zhang
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D030024:Curcuma / Q000737:chemistry*; D007267:Injections; D009822:Oils, Volatile / Q000032:analysis*
chemical_list: D009822:Oils, Volatile