Separation, quantitation and isolation of cannabinoids from cannabis sativa L. by overpressured layer chromatography

Two overpressured layer chromatography (OPLC) methods have been developed for the separation of neutral and acidic cannabinoids. The first is an adaptation of Korte's well known method to the OPLC system, which improves its reproducibility. The second one is a new technique based on the phenome...

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Bibliographic Details
Published in:Journal of Chromatography A 1987, Vol.388 (1), p.217-224
Main Authors: Oroszlán, P., Verzár-petri, G., Mincsovics, E., Székely, T.
Format: Article
Language:English
Subjects:
Biological and medical sciences
cannabinoids
Cannabis sativa
Drug addictions
hemp
isolation
Medical sciences
quantitative analysis
separation
thin layer chromatography
Toxicology
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Summary:Two overpressured layer chromatography (OPLC) methods have been developed for the separation of neutral and acidic cannabinoids. The first is an adaptation of Korte's well known method to the OPLC system, which improves its reproducibility. The second one is a new technique based on the phenomenon of chromatographic solvent demixing. The eluent itself is also divided into zones. In the α-azone the neutral cannabinoids and in the β-zone the acidic ones are separated. As a result of the good and reproducible separation, there is a possibility to quantitate cannabinoids by densitometry. The on-line version of OPLC proved suitable for the isolation of hemp constituents.
ISSN:0021-9673
DOI:10.1016/S0021-9673(01)94481-4