From: Label accuracy of unregulated cannabidiol (CBD) products: measured concentration vs. label claim
Sample identifier | Source | Label claim mg CBD/mL | Observed mg CBD/mL ± SEM (mg/mL) | Difference mg CBD/mL | Percent of label claim |
---|---|---|---|---|---|
79 | Online | 20.0 | 31.8 (± 0.5) | 11.8 | 159 |
12 | Online | 40.0 | 59.4 (± 0.8) | 19.4 | 148 |
40 | Local | 10.0 | 13.3 (± 0.2) | 3.3 | 133 |
2 | Local | 17.0 | 22.2 (± 0.3) | 5.2 | 130 |
59 | Local | 10.0 | 12.7 (± 0.2) | 2.7 | 127 |
58 | Local | 30.0 | 37.8 (± 0.7) | 7.8 | 126 |
3 | Online | 17.0 | 20.7 (± 0.2) | 3.7 | 122 |
1 | Local | 17.0 | 20.7 (± 0.2) | 3.7 | 122 |
77 | Online | 50.0 | 60.5 (± 1.2) | 10.5 | 121 |
47 | Local | 25.0 | 30.0 (± 0.4) | 5.0 | 120 |
43 | Local | 25.0 | 29.5 (± 0.4) | 4.5 | 118 |
33 | Local | 10.3 | 12.2 (± 0.1) | 1.8 | 118 |
39 | Local | 10.0 | 11.8 (± 0.1) | 1.8 | 118 |
38 | Local | 10.0 | 11.7 (± 0.1) | 1.7 | 117 |
4 | Online | 50.0 | 58.3 (± 1.1) | 8.3 | 117 |
22 | Online | 16.7 | 19.4 (± 0.4) | 2.7 | 116 |
26 | Local | 16.7 | 19.4 (± 0.3) | 2.7 | 116 |
37 | Local | 8.3 | 9.7 (± 0.1) | 1.3 | 116 |
81 | Online | 16.7 | 19.3 (± 0.3) | 2.6 | 116 |
36 | Local | 8.3 | 9.5 (± 0.1) | 1.2 | 114 |
66 | Online | 16.7 | 18.9 (± 0.3) | 2.2 | 113 |
67 | Online | 16.7 | 18.6 (± 0.3) | 2.0 | 112 |
42 | Local | 25.0 | 27.9 (± 0.4) | 2.9 | 112 |
11 | Online | 8.4 | 9.3 (± 0.1) | 0.9 | 110 |
68 | Online | 16.7 | 18.3 (± 0.2) | 1.7 | 110 |
Mean | 19.7 | 24.1 | 4.5 | 121 | |
Standard deviation | 11.8 | 15.3 | 4.2 | 11 |