Niklas Lindekamp, Stefan Weigel, Benjamin Sachse, Bernd Schäfer, Sascha Rohn, Nadja Triesch
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Comprehensive analysis of 19 cannabinoids in commercial CBD oils: concentrations, profiles, and safety implications
Nineteen cannabinoids, including Δ9-THC (tetrahydrocannabinol) and CBD (cannabidiol), were quantified in 22 CBD oils, 2 CBG (cannabigerol) oils, and 2 CBN (cannabinol) oils, marketed as food supplements, aroma oils, or cosmetic preparations. Analyses were conducted using high-performance liquid chromatography coupled to tandem mass spectrometry (HPLC-MS/MS). The declared concentrations of CBD (or CBG, CBN) in the oils ranged from 2.5 to 20%. Actual concentrations compared to declared concentrations ranged from 81 to 226%. CBD concentrations of up to 9 mg per drop were found. Δ9-THC was detected in 20 of 26 samples, with concentrations ranging from 5 to 1576 mg/kg (mean = 536 mg/kg). Considering the highest daily intake suggested by one manufacturer (20 drops) and a body weight of 70 kg, the measured Δ9-THC concentration in 50% (n = 13) of the products would exceed the acute reference dose (ARfD) of 1 µg/kg body weight (bw) derived for Δ9-THC by the European Food Safety Authority (EFSA). For 7 samples, only 2 drops of oil would be sufficient to exceed the ARfD of Δ9-THC.
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The JCF publishes peer-reviewed original Research Articles and Opinions that are of direct importance to Food and Feed Safety. This includes Food Packaging, Consumer Products as well as Plant Protection Products, Food Microbiology, Veterinary Drugs, Animal Welfare and Genetic Engineering.
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