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Chemical and physical variations of cannabis smoke from a variety of cannabis samples in New Zealand

Forensic Sciences Research 2019年第2期4卷 168-178页

作者： Thomas J.Sheehan Hilary J.Hamnett Richard Beasley Paul S.Fitzmaurice Toxicology Institute of Environmental Science and Research(ESR)PoriruaNew Zealand Medical Research Institute of New Zealand WellingtonNew Zealand Toxicology Unit Imperial College LondonLondonUK. gribbles veterinary Palmerston NorthNew Zealand

Studies have compared the chemical properties of tobacco smoke to those of cannabis smoke,with the objective of identifying the chemical attributes responsible for the mutagenicity and carcinogenicity of cannabis *** studies have included small sample sizes and produced conflicting *** aim of this study was to assess the major chemical and physical variations of cannabis smoke across a range of cannabis samples of different potencies and origins,sourced from the illegal market in New *** cannabis samples were studied ranging from 1.0%to 13.4%delta-9-tetrahydrocannabinol(D9THC)content.A smoking machine was used to smoke“joints”(cannabis cigarettes)and the chemical/physical properties of the smoke *** chemical constituents of the smoke extracts were analysed by gas chromatography/mass spectrometry.A range of different chemical constituents(in addition to D9THC)were identified and their concentrations *** were identified as the major variable in cannabis smoke,showing a 40-fold range in total terpenoid *** of the total particulate matter showed that significantly different levels of particulate matter were produced between the different cannabis samples,ranging from 14.6 to 66.3 mg/g of cannabis *** D9THC delivery efficiency during smoking was also investigated and produced consistent results showing a mean and median of 12.6%and 10.8%,respectively,of the theoretically available D9THC(ranging from 7.2%to 28.0%).

关键词： Forensic science forensic toxicology cannabis smoke delta-9-tetrahydrocannabinol terpenoids gas chromatography/mass spectrometry total particulate matter

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