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GC Determination of Active Cannabinoids in Cannabis of Chinese Origin and Survey of Their Contents

Ji-Hong Zhu, Yong-Qing Li, Xing-Hua Bao   

  1. National Laboratory of Narcotic Drugs; National Institute for the Control of Pharmaceutical and Biological Products; Beijing 100050
  • Received:1992-01-18 Revised:1992-10-04 Online:1992-12-15 Published:1992-12-15

Abstract: A method of GC determination using tetracosane as the internal standard for active cannabinoids cannabidiol. ∆9-tetrahydrocannabinol and cannabinol of cannabis is described. The method is simple and accurate and has been applied to investigate the contents of active cannabinoids in cannabis of Chinese origin. Information was obtained from provinces and autonomous region of China. Three pure cannabinoids used as the reference substances were extracted and isolated successfully from cannabis.

Key words: Cannabis sativa, Cannabidiol (CBD), Cannabinol (CBN), △9-Tetrahydro-cannabinol (△9-THC), Gas chromatography

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