Isolation and Pharmacological Evaluation of Minor Cannabinoids from High-Potency Cannabis sativa Mohamed M. Radwan, Mahmoud A. ElSohly, Abir T. El-Alfy, Safwat A. Ahmed, Desmond Slade, Afeef S. Husni, Susan P. Manly, Lisa Wilson, Suzanne Seale, Stephen J. Cutler, and Samir A. Ross Journal of Natural Products, 2015 June 26, 78, (6), 1271–1276. doi : 10.1021/acs.jnatprod.5b00065 Abstract Seven new naturally occurring hydroxylated cannabinoids (1–7), along with the known cannabiripsol (8), have been isolated from the aerial parts of high-potency Cannabis sativa. The structures of the new compounds were determined by 1D and 2D NMR spectroscopic analysis, GC-MS, and HRESIMS as 8α hydroxy-Δ9-tetrahydrocannabinol (1), 8β-hydroxy-Δ9-tetrahydrocannabinol (2), 10α-hydroxy-Δ8 [...]
Lire la suiteCharacterising heterogeneity in the use of different cannabis products : latent class analysis with 55 000 people who use cannabis and associations with severity of cannabis dependence Sam Craft, Adam Winstock, Jason Ferris, Clare Mackie, Michael T. Lynskey and Tom P. Freeman Psychological Medicine, 2019, 1–10. doi : 10.1017/S0033291719002460 Abstract Background. As new cannabis products and administration methods proliferate, patterns of use are becoming increasingly heterogeneous. However, few studies have explored different profiles of cannabis use and their association with problematic use. Methods. Latent class analysis (LCA) was used to identify subgroups of past-year cannabis users endorsing distinct patterns of use from a large international sample [...]
Lire la suiteCOMMENTARY A Physician's Guide to the Cannabidiol Craze Angela Coombs, MD; Diana M. Martinez, MD Medscape, May 31, 2019 Last month at the Columbia University Department of Psychiatry in upper Manhattan, Columbia chief psychiatry resident Dr Angela Coombs interviewed addiction expert Dr Diana Martinez on a number of issues related to the rising popularity and usage of cannabidiol (CBD). This transcript has been edited for clarity. Angela Coombs, MD: Hi. My name is Dr Angela Coombs and I'm a chief resident here at Columbia. We are so happy to be able to have Dr Diana Martinez, who's a professor in psychiatry at Columbia and an expert [...]
Lire la suiteA reliable and validated LC-MS/MS method for the simultaneous quantification of 4 cannabinoids in 40 consumer products Qingfang Meng, Beth Buchanan, Jonathan Zuccolo, Mathieu-Marc Poulin, Joseph Gabriele, David Charles Baranowski PLoS ONE, 2018, 13, (5), e0196396. https://doi.org/10.1371/journal.pone.0196396 Abstract In the past 50 years, Cannabis sativa (C. sativa) has gone from a substance essentially prohibited worldwide to one that is gaining acceptance both culturally and legally in many countries for medicinal and recreational use. As additional jurisdictions legalize Cannabis products and the variety and complexity of these products surpass the classical dried plant material, appropriate methods for measuring the biologically active constituents is paramount to ensure [...]
Lire la suiteNotes from the Field : Acute Poisonings from a Synthetic Cannabinoid Sold as Cannabidiol — Utah, 2017–2018 Roberta Z. Horth, Barbara Crouch, B. Zane Horowitz, Amelia Prebish, Matthew Slawson, Jennifer McNair, Chris Elsholz, Stephen Gilley, Jenny Robertson, Ilene Risk, Mary Hill, Linnea Fletcher, Wei Hou, Dallin Peterson, Karlee Adams, Dagmar Vitek, Allyn Nakashima, Angela Dunn MMWR / May 25, 2018 / Vol. 67 / No. 20 US Department of Health and Human Services/Centers for Disease Control and Prevention On December 8, 2017, the Utah Poison Control Center (UPCC) notified the Utah Department of Health (UDOH) of reports of emergency department visits associated with reported [...]
Lire la suiteLabeling Accuracy of Cannabidiol Extracts Sold Online Marcel O. Bonn-Miller, Mallory J.E. Loflin, Brian F. Thomas, Jahan P. Marcu, Travis Hyke, Ryan Vandrey JAMA, 2017, Nov 7, 318, (17), 1708–1709. doi: 10.1001/jama.2017.11909 This study compares ingredients listed on the labels of cannabidiol products sold online to actual product constituents determined by laboratory analysis. There is growing consumer demand for cannabidiol (CBD), a constituent of the cannabis plant, due to its purported medicinal benefits for myriad health conditions. Viscous plant-derived extracts, suspended in oil, alcohol (tincture), or vaporization liquid, represent most of the retail market for CBD. Discrepancies between federal and state cannabis laws have resulted in [...]
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