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THE ESSENTIAL OIL OF CANNABIS SATIVA
14 January 2009 (online)
In previous reports the presence of cannabinoids in the distilled essential oil of Cannabis sativa L. was proved, besides the presence of mono– and sesquiterpene hydrocarbons.
In this paper the localization of the cannabinoids in the glandular hairs of the leaves and with that the possible biogenetic relation with the components of the essential oil are demonstrated by microscopic examination after colouring tests and gaschromatographic analysis of the isolated contents of individual glandular hairs. Quantitative data about the relation between essential oil and cannabinoids are obtained by comparing the extracts without and after preceding steam distillation.
On acount of the origin of the seed (birdseed), special attention was paid to the botanical description of the plant material and to the counting of chromosomes.