Table 4.
The values of the Pearson correlation determined for all the varieties of the tested fibers, relationship between the content of ferulic/p-coumaric/syringic/sinapinic acids and lignin content/FRAP/inhibition of DPPH.
| Tested Parameters | Values of the Pearson Correlation Coefficient | |||
|---|---|---|---|---|
| Content of Ferulic Acid | Content of p-Coumaric Acid | Content of Syringic Acid | Content of Sinapinic Acid | |
| Hemp variety | ||||
| Lignin content | 0.11 | 0.93 | 0.66 | 0.43 |
| FRAP | 0.54 | 0.96 | 0.46 | 0.72 |
| DPPH | 0.96 | 0.54 | 0.02 | 0.89 |
| Method extraction of hemp | ||||
| Lignin content | 0.81 | 0.67 | 0.91 | 0.76 |
| FRAP | 0.91 | 0.28 | 0.96 | 0.96 |
| DPPH | 0.94 | 0.21 | 0.97 | 0.99 |
| Variety of flax—MODRAN | ||||
| Lignin content | −0.91 | −0.98 | −0.94 | Not identified |
| FRAP | 0.95 | 0.99 | 0.97 | Not identified |
| DPPH | 0.96 | 1.00 | 0.98 | Not identified |
| Variety of flax—NIKE | ||||
| Lignin content | 0.80 | Not identified | Not identified | Not identified |
| FRAP | 0.65 | Not identified | Not identified | Not identified |
| DPPH | 0.68 | Not identified | Not identified | Not identified |
| Variety of flax—B14 IUNG | ||||
| Lignin content | −0.53 | −0.89 | −0.85 | Not identified |
| FRAP | 0.92 | 0.46 | 1.00 | Not identified |
| DPPH | 0.89 | 0.53 | 1.00 | Not identified |