Extraction Efficacy of Synthetic Cannabinoids From Damiana Leaf Substrates Utilizing Electrolytic Solvents

Report No. ARL-TR-6776
Authors: Abby L. West; Nabila Hoque; Mark H. Griep
Date/Pages: February 2014; 24 pages
Abstract: The study described in this report determined a rapid and facile method to extract synthetic cannabinoids from leafy substrates in the field. Win 55, 212-2 was used as the model synthetic cannabinoid while damaina leaf cuttings were used as a representative substrate material. Both low- (2%) and high- (100%) solvent concentrations were assayed for overall extraction efficiency and it was determined that extraction with pure solvent leads to a much higher yield of cannabinoid with ethanol extracting the largest quantity of cannabinoid. Interestingly, there is no significant difference between extraction times of 30 s and 1 min with hand shaking. Thus, it was determined that extraction of a small amount of substance (approximately 10 mg) with 100% ethanol and 30 s of shaking yields a sufficient amount of synthetic cannabinoid compounds for further analysis techniques. Further studies are needed to determine if these extraction parameters are compatible with both real-world "spice" samples and a wide range of synthetic cannabinoid compounds.
Distribution: Approved for public release
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Last Update / Reviewed: February 1, 2014