Table 3.
The antioxidative activity of different varieties of bast fibers depending on the extraction method. Results are expressed as mean ± standard deviation (SD), n = 3. Lower-case letters indicate significant differences at p ≤ 0.05 according to the Tukay’s HSD test.
| Degumming Method | Variety | FRAP [μmol/L] | Inhibition of DPPH [%] | ||
|---|---|---|---|---|---|
| Result | ±SD | Result | ±SD | ||
| HEMP | |||||
| Water retting | Beniko | 140.34 | 4.75 | 11.30 a | 0.92 |
| Wojko | 156.75 | 2.31 | 10.04 a | 0.49 | |
| Tygra | 165.76 | 1.62 | 32.55 | 0.32 | |
| Białobrzeskie | 76.62 | 1.33 | 3.09 | 0.18 | |
| Decortication | 230.22 | 1.55 | 18.03 | 0.63 | |
| Dew retting | 124.09 | 1.93 | 5.31 | 0.25 | |
| Water retting | Białobrzeskie | 76.62 | 1.33 | 3.09 a | 0.18 |
| Osmotic degumming | 93.71 | 0.69 | 3.94 a | 0.19 | |
| FLAX | |||||
| Decortication | 523.00 | 2.08 | 33.85 | 0.17 | |
| Wet degumming + ultrasound | Modran | 129.45 | 1.28 | 5.80 | 0.14 |
| Cottonization | 70.69 | 2.31 | 3.29 | 0.24 | |
| Decortication | 519.75 | 2.69 | 29.76 | 0.15 | |
| Wet degumming + ultrasound | NIKE | 140.79 | 1.16 | 7.64 | 0.16 |
| Cottonization | 78.84 | 1.59 | 5.10 | 0.36 | |
| Decortication | 485.84 | 2.11 | 37.71 | 0.14 | |
| Wet degumming + ultrasound | B14 Iung | 195.79 | 2.23 | 11.05 | 0.11 |
| Cottonization | 119.42 | 4.55 | 6.82 | 0.23 | |
a—represent the group for which the mean values do not differ statistically at the assumed significance level. The mean values labelled with the same letter (a) do not differ statistically at (α = 0.05).