Variation in the THC content in illicitly imported Cannabis products.

摘要: The tetrahydrocannabinol (THC) content of 304 seizures illicit Cannabis products was determined using gas chromatography. This procedure results in the conversion THC acid to itself and thus gives total material, which reflects its potency as experienced by smokers. study carried out over three years, enabling comparisons be made between levels from a given country origin this time span addition any variations countries. In early part study, herbal cannabis South East Asia consistently best quality that Caribbean poorest quality. third year material general no richer than other areas world. resins normally had higher contents most but highest were found "hash oil" Middle Indian subcontinent.