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. 2020 Jul 29;10:12753. doi: 10.1038/s41598-020-69768-4

Table 4.

Lower level of detection (LOD), lower limit of quantification (LOQ), intra-day precisions, inter-day precisions, and inter-day accuracies for each cannabinoid analyte analyzed following oral administration of industrial hemp.

Cannabinoid analytes LOD LOQ Intra-day precision (n = 3) Inter-day precision (n = 6) Inter-day accuracy (n = 6)
1.75 47.5 95.0 1.75 47.5 95.0 1.75 47.5 95.0
Tetrahydocannabinol-glucuronide (THC-glc) 0.2 0.5 1.5 3.0 4.5 10.5 8.6 7.2 106 105 106
Cannabidivarinic acid (CBDVA) 0.2 1.0 12.3 7.8 14.7 32.5 33.8 33.6 121 115 119
Hydroxy-tetrahydrocannabinol (THC-OH) 0.2 0.25 2.2 6.1 3.7 7.8 5.7 5.8 110 103 103
Tetrahydrocannabinolic-acid (THC-acid) 0.2 0.5 5.7 2.4 4.0 4.2 3.5 5.2 112 103 103
Cannabidivarin (CBDV) 0.2 0.25 4.3 2.6 4.0 6.8 8.5 6.6 105 99 99
Cannabichromenic acid (CBCA) 1.0 2.5 16.7 9.2 6.8 24.7 29.2 24.3 105 99 99
Tetrahydrocannabivarin (THCV) 0.2 0.25 4.3 3.4 3.0 4.5 5.8 6.0 105 110 99
Cannabigerol (CBG) 0.2 0.25 4.8 3.0 2.5 8.3 10.5 12.0 107 100 95
Cannabidiol (CBD) 0.2 0.5 8.4 3.5 4.2 6.9 4.6 6.0 113 103 101
Cannabinol (CBN) 0.2 0.5 1.5 3.4 3.6 5.8 5.2 5.6 105 97 95
9-Tetrahydrocannabinol (9-THC) 0.2 0.5 4.0 3.1 4.1 4.0 3.3 4.0 110 104 103
8-Tetrahydrocannabinol (8-THC) 0.2 0.5 6.3 4.0 3.6 5.3 5.5 5.3 104 100 101
Cannabichromene (CBC) 0.2 0.5 3.8 2.4 2.1 3.3 3.6 3.9 112 103 103
Tetrahydrocannabinolic acid-A (THCA-A) 1.0 2.5 8.5 3.7 8.0 18.2 5.3 8.7 100 89 95
Cannabichromenic acid (CBCA) 1.0 2.5 3.6 4.7 9.3 20.3 7.3 10.9 113 100 108

LOD lower limit of detection, LOQ lower limit of quantification.