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Keywords:

  • Cannabis sativa L.;
  • Cannabaceae;
  • essential oil composition;
  • myrcene;
  • trans-β-ocimene;
  • trans-caryophyllene;
  • cannabinoids;
  • antimicrobial activity

Abstract

The essential oils of five different cultivars of Cannabis sativa contained as main compounds α-pinene, myrcene, trans-β-ocimene, α-terpinolene, trans-caryophyllene and α-humulene. The content of α-terpinolene divided the cultivars in two distinct groups, an Eastern European group of cultivars of approximately 8% and a French group of cultivars of around 16%. Therefore, this compound might be suitable as a genetic marker for the two breeding centres for the fibre types of Cannabis sativa. The content of trans-caryophyllene was up to 19%. However, the content of caryophyllene oxide did not exceed 2%. The antimicrobial activity of the essential oil of Cannabis sativa can be regarded as modest. Nevertheless, cultivar differences were visible. Δ-9-tetrahydrocannabinol (THC) could not be detected in any of the essential oils and the amount of other cannabinoids was very poor. Copyright © 2001 John Wiley & Sons, Ltd.