Table 2.
Correlation matrix (Pearson coefficients) between the nine cannabinoids variables (THC, CBD, CBC, CBG, CBN, CBDV, THCA CBGA and CBDA). The correlation coefficients were calculated using the relative concentrations of cannabinoids in the 161 hemp samples sold by the four Italian retailers.
| Cannabinoids | THC | CBD | CBC | CBG | CBN | CBDV | THCA | CBGA | CBDA |
|---|---|---|---|---|---|---|---|---|---|
| THC | 1.00 | 0.80 | 0.81 | 0.61 | 0.50 | 0.19 | 0.34 | −0.16 | 0.46 |
| CBD | 0.80 | 1.00 | 0.91 | 0.68 | 0.64 | 0.20 | −0.17 | −0.17 | 0.21 |
| CBC | 0.81 | 0.91 | 1.00 | 0.65 | 0.60 | 0.19 | −0.19 | −0.23 | 0.35 |
| CBG | 0.61 | 0.68 | 0.65 | 1.00 | 0.31 | 0.12 | −0.17 | 0.44 | 0.19 |
| CBN | 0.50 | 0.64 | 0.60 | 0.31 | 1.00 | −0.03 | −0.03 | −0.25 | 0.11 |
| CBDV | 0.19 | 0.20 | 0.19 | 0.12 | −0.03 | 1.00 | −0.01 | −0.04 | 0.19 |
| THCA | 0.34 | −0.17 | −0.19 | −0.17 | −0.03 | −0.01 | 1.00 | 0.01 | 0.18 |
| CBGA | −0.16 | −0.17 | −0.23 | 0.44 | −0.25 | −0.04 | 0.01 | 1.00 | −0.04 |
| CBDA | 0.46 | 0.21 | 0.35 | 0.19 | 0.11 | 0.19 | 0.18 | −0.04 | 1.00 |