Canna~Fangled Abstracts

Pine rosin identified as a toxic cannabis extract adulterant

By April 22, 2020February 5th, 2021No Comments
Pine rosin fumes are also released during soldering, and have been cited as a causative agent of occupational asthma.

doi: 10.1016/j.forsciint.2020.110301. Epub 2020 Apr 22.

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Abstract

Pine rosin (colophony) has been identified as a potentially new adulterant in cannabis oil. Its inhalation toxicity poses a significant health concern to users. For example, pine rosin fumes are released during soldering, and have been cited as a causative agent of occupational asthma. Symptoms also include desquamation of bronchial epithelium, which has also been observed in e-cigarette or vaping product used-associated lung injury (EVALI) patients. The sample analyzed herein was acquired from a cannabis industry source, also contains medium chain triglycerides and oleamide, the latter of which is a hypnotic that is commonly found in the synthetic marijuana product Spice, or K2. A combination of proton nuclear magnetic resonance (1H NMR) and high pressure liquid chromatography-electrospray ionization mass spectrometry (HPLC-ESIMS) was used to unambiguously identify major pine rosin ingredients such as abietic and other resin acids. Comparison to commercial samples of pure pine rosin confirmed the assignment.

 

Keywords: Adulterant, BHO, Cannabis extract, Cutting agent, EVALI, Marijuana, Pine rosin, Rosin

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