Table 4.
Matrix of correlations between IC50 DPPH and chemical composition of citral chemotype C. camphora and C. bodinieri.
| HM | OM | HS | OS | NT | DPPH | ABTS | |
|---|---|---|---|---|---|---|---|
| HM | 1.000 | ||||||
| OM | −0.185 | 1.000 | |||||
| HS | 0.243 | −0.811 * | 1.000 | ||||
| OS | 0 | −0.964 ** | 0.667 | 1.000 | |||
| NT | 0.346 | −0.852 * | 0.617 | 0.778 * | 1.000 | ||
| DPPH | 0.296 | −0.893 ** | 0.937 ** | 0.786 * | 0.704 | 1.000 | |
| ABTS | 0.259 | −0.929 ** | 0.955 ** | 0.821 * | 0.741 | 0.929 ** | 1.000 |
Note: HM: hydrocarbon monoterpenes; OM: oxygenated monoterpenes; HS: hydrocarbon sesquiterpenes; OS: oxygenated sesquiterpenes; NT: non terpenic compounds; DPPH: IC50 value in DPPH test; ABTS: IC50 value in ABTS assay, * p ≤ 0.05, ** p ≤ 0.01.