摘要：Among cannabinoids (CNs) in two commercially available and long-term stored cannabis oils obtained from the seeds of Cannabis sativa L . in Japan, tetrahydrocannabinol (THC), canabidiol (CBD), cannabinol (CBN), and cannabichromene were identified and determined using high-performance thin-layer chromatography and capillary gas chromatography-mass speectrometry after partitioning extraction with n -hexane/acetonitrile. CNs were determined in two commercially available cannabis oils, designated “Hemp oil” (THC, 16.3 μ g/g and CBN, 5.9 μ g/g) and “Taima-yu” (CBD, 26.1 μ g/g). The concentration of CBD in a cannabis oil that had been stored for 20 years was 107 ± 4 μ g/g. However, no other CNs including THC were detected in the oil. The CBD content in the original oil was estimated to be about 130 μ g/g from the determination values of the two periods. These results suggest that cannabis oils generally contain CNs to some extent.
关键词：commercially available cannabis oil;long-term stored cannabis oil;canabidiol;tetrahydrocannabinol;cannabinol;cannabichromene
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