CPC distribution chromatography of cannabinoids
AssigneeSpectrum Therapeutics GMBH
InventorAndreas Rutz
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Abstract
The invention relates to cannabinoids and their isolation and purification and to obtaining them by means of centrifugal partition chromatography.
Claims6
A method for separating and/or purifying cannabinoids from a cannabis extract, the method including at least one liquid-liquid centrifugal partition chromatography step comprising a first solvent phase and a second non-miscible liquid phase, wherein the first solvent phase is heptane and is kept stationary by centrifugal force and the second non-miscible liquid phase is methanol, and wherein 1% to 15% (v/v) t-butyl methyl ether is added to the first solvent phase and/or the second non-miscible liquid phase.
Dependencies are inferred from the claim text.