Evidence of 11-Hydroxy-hexahydrocannabinol and 11-Nor-9-carboxy-hexahydrocannabinol as Novel Human Metabolites of Δ9-Tetrahydrocannabinol
Abstract
:1. Introduction
2. Materials and Methods
2.1. Chemicals and Reagents
2.2. Sample Preparation
2.3. Liquid Chromatography–Mass Spectrometry Analysis
2.4. Incubation in Human Liver Microsomes
2.5. Forensic Traffic Cases
2.6. Data Analysis
3. Results
3.1. Traffic Cases
3.2. Incubation with Human Liver Microsomes
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Compound | Monitored m/z Transitions | Cone Voltage (V) | Collision Energy (eV) | Retention Time (min) |
---|---|---|---|---|
Δ9-tetrahydrocannabinol | 315.22 > 193.12 * 315.22 > 123.04 | 42 42 | 22 32 | 3.60 |
9R-Hexahydrocannabinol | 317.25 > 193.12 * 317.25 > 123.04 | 20 20 | 20 40 | 4.08 |
9S-Hexahydrocannabinol | 317.25 > 193.12 * 317.25 > 123.04 | 20 20 | 20 40 | 4.00 |
9R-11-hydroxy-hexahydrocannabinol | 333.24 > 193.12 * 333.24 > 123.04 | 20 20 | 25 35 | 1.86 |
9S-11-hydroxy-hexahydrocannabinol | 333.24 > 193.12 * 333.24 > 123.04 | 20 20 | 25 35 | 1.91 |
9R-11-nor-carboxy-hexahydrocannabinol | 347.22 > 193.12 * 347.22 > 123.04 | 20 20 | 25 35 | 1.80 |
9S-11-nor-carboxy-hexahydrocannabinol | 347.22 > 193.12 * 347.22 > 123.04 | 20 20 | 25 35 | 1.97 |
11-hydroxy-tetrahydrocannabinol | 331.22 > 193.12 * 331.22 > 201.20 | 20 20 | 29 25 | 1.71 |
11-nor-9-carboxy-tetrahydrocannabinol | 345.20 > 193.12 * 345.20 > 299.20 | 42 42 | 26 20 | 1.90 |
Δ9-tetrahydrocannabinol-d3 | 318.22 > 196.12 | 42 | 22 | 3.58 |
11-hydroxy-tetrahydrocannabinol-d3 | 334.27 > 196.23 | 20 | 29 | 1.89 |
11-nor-9-carboxy-tetrahydrocannabinol-d3 | 348.20 > 196.12 | 34 | 20 | 1.70 |
Group | Δ9-THC | HHC | Number of Cases (n = 308) | 9R-HHC-COOH | 9S-HHC-COOH | 9R-11-OH-HHC | 9S-11-OH-HHC | THC- COOH | 11-OH- THC |
---|---|---|---|---|---|---|---|---|---|
A | + | − | 222 | 186 (84%) | 112 (50%) | 33 (15%) | 0 (0%) | 204 (92%) | 178 (80%) |
B | + | + | 10 | 10 (100%) | 3 (30%) | 1 (10%) | 1 (10%) | 10 (100%) | 7 (70%) |
C | − | − | 76 | 2 (3%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (1%) | 0 (0%) |
Compound | Median Concentration (ng/mL) | Maximum Concentration (ng/mL) |
---|---|---|
Δ9-THC | 2.8 | 35 |
11-OH-THC | 1.1 | 14 |
THC-COOH | 21 | 269 |
9R-HHC-COOH a | 1.4 | 16 |
9S-HHC-COOH a | 0 | 4.4 |
Δ9-THC | 11-OH-THC | THC-COOH | |||||||
---|---|---|---|---|---|---|---|---|---|
20 min | 120 min | 180 min | 20 min | 120 min | 180 min | 20 min | 120 min | 180 min | |
9R-11-OH-HHC a | − | (+) | (+) | − | − | − | |||
9S-11-OH-HHC a | − | − | − | − | − | − | |||
9R-HHC-COOH | − | + | + | − | + | + | − | − | − |
9S-HHC-COOH | − | − | − | − | + | + | − | − | − |
11-OH-THC | + | + | + | − | − | − | |||
THC-COOH | − | + | + | − | + | + |
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Falck Jørgensen, C.; Schou Rasmussen, B.; Linnet, K.; Thomsen, R. Evidence of 11-Hydroxy-hexahydrocannabinol and 11-Nor-9-carboxy-hexahydrocannabinol as Novel Human Metabolites of Δ9-Tetrahydrocannabinol. Metabolites 2023, 13, 1169. https://doi.org/10.3390/metabo13121169
Falck Jørgensen C, Schou Rasmussen B, Linnet K, Thomsen R. Evidence of 11-Hydroxy-hexahydrocannabinol and 11-Nor-9-carboxy-hexahydrocannabinol as Novel Human Metabolites of Δ9-Tetrahydrocannabinol. Metabolites. 2023; 13(12):1169. https://doi.org/10.3390/metabo13121169
Chicago/Turabian StyleFalck Jørgensen, Christian, Brian Schou Rasmussen, Kristian Linnet, and Ragnar Thomsen. 2023. "Evidence of 11-Hydroxy-hexahydrocannabinol and 11-Nor-9-carboxy-hexahydrocannabinol as Novel Human Metabolites of Δ9-Tetrahydrocannabinol" Metabolites 13, no. 12: 1169. https://doi.org/10.3390/metabo13121169