Extraction of pharmaceutically active components from plant materials
AssigneeGW Pharma Limited
InventorsBrian A. Whittle, Colin A. Hill, Ian R. Flockhart, David V. Downs, Peter Gibson, Gary W. Wheatley
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Abstract
The invention relates to the extraction of pharmaceutically active components from plant materials, and more particularly to the preparation of a botanical drug substance (BDS) for incorporation in to a medicament. It also relates to a BDS of given purity, for use in pharmaceutical formulations. In particular it relates to BDS comprising cannabinoids obtained by extraction from cannabis.
Claims10
A botanical drug substance obtainable from botanical raw material from a high THC containing cannabis plant having a THC content, wherein said botanical drug substance is an extract derived from the high THC cannabis plant comprising at least 50% THC w/w of extract, no more than 5% CBD as % w/w of the THC content, and no more than 5% cannabinoids other than THC and CBD as % w/w of the THC content.
A botanical drug substance obtainable from botanical raw material from a high CBD containing cannabis plant having a CBD content, wherein said botanical drug substance is an extract derived from the high CBD cannabis plant comprising 50% CBD w/w of extract, no more than 7.5% THC as % w/w of the CBD content, and no more than 5% cannabinoids other than CBD and THC as % w/w of the CBD content.
A botanical drug substance obtained from cannabis comprising at least 60% cannabinoids, of which at least 90% is THC, about 1.5% is CBD and the remainder comprises other minor cannabinoids.
A botanical drug substance obtained from cannabis comprising at least 60% cannabinoids of which at least 85% is CBD, about 3% is THC and the remainder comprises other minor cannabinoids.
Dependencies are inferred from the claim text.