Table 3.
DPPH free radical-scavenging assay (% inhibition of DPPH•).
| Solvent | Seed Cakes | ||
|---|---|---|---|
| Hemp | Flax | Canola | |
| Methanol | 5.33 ± 0.30 eB | 4.42 ± 0.26 cC | 26.60 ± 0.22 dA |
| Ethanol | 3.09 ± 0.23 fB | 3.58 ± 0.22 dB | 15.07 ± 0.46 eA |
| Hexane | 1.93 ± 0.32 gB | 1.72 ± 0.47 eB | 6.59 ± 0.26 fA |
| Acetone | 8.68 ± 0.10 dB | 3.09 ± 0.15 dC | 28.04 ± 0.17 cA |
| Acetone 80% | 12.48 ± 0.46 bB | 7.81 ± 0.10 bC | 29.29 ± 0.38 bA |
| Methanol 80% | 11.01 ± 0.23 cB | 7.36 ± 0.10 bC | 28.54 ± 0.17 bcA |
| Methanol:acetone:water (7:7:6 v/v/v) | 16.79 ± 0.09 aB | 11.39 ± 0.09 aC | 33.03 ± 0.38 aA |
Results are expressed as mean ± standard deviations; n = 3. a–g Means in the same column followed by different lowercase letters are significantly different (P < 0.05). A–C Means in the same row followed by different uppercase letters are significantly different (P < 0.05).