Table 4.
Acid values, peroxide values, p-anisidine values, TOTOX values, dienoic and trienoic acid values, and specific extinctions coefficient at UV wavelengths 233 and 268 for cold-pressed hemp seed oils.
| Chemical Analysis | Henola Cultivar Oil Samples | ||||
|---|---|---|---|---|---|
| Group 1 | Group 2 | ||||
| HL_18A | HL_18B | HL_19A | HL_19B | HL_19C | |
| AV (mg KOH/g) | 18.53 b ± 0.46 | 21.16 c ± 0.47 | 10.31 a ± 0.07 | 10.30 a ± 0.03 | 10.33 a ± 0.06 |
| PV (meq O2/kg) | 17.53 d ± 0.12 | 13.79 b ± 0.04 | 18.80 e ± 0.13 | 15.81 c ± 0.20 | 11.01 a ± 0.37 |
| p-AV | 1.23 a ± 0.53 | 0.97 a ± 0.34 | 1.10 a ± 0.24 | 1.16 a ± 0.80 | 1.34 a ± 0.15 |
| TOTOX | 36.29 d ± 0.31 | 28.55 b ± 0.40 | 38.70 e ± 0.50 | 32.93 c ± 1.21 | 23.36 a ± 0.79 |
| Dienoic acid value | 0.11 a ± 0.01 | 0.11 a ± 0.01 | 0.22 b ± 0.00 | 0.11 a ± 0.00 | 0.10 a ± 0.00 |
| Trienoic acid value | 0.01 a ± 0.00 | 0.00 a ± 0.01 | 0.16 c ± 0.00 | 0.07 b ± 0.00 | 0.00 a ± 0.00 |
| K233 | 0.16 a ± 0.01 | 0.16 a ± 0.01 | 0.30 b ± 0.00 | 0.16 a ± 0.00 | 0.15 a ± 0.00 |
| K268 | 0.07 a ± 0.00 | 0.03 a ± 0.01 | 0.07 b ± 0.01 | 0.04 a ± 0.00 | 0.03 a ± 0.00 |
abcde—different superscript letters indicate significant differences (p ≤ 0.05) within rows. PV—peroxide value; p-AV—p-anisidine value; TOTOX—total oxidation indictor; K233 and K268—specific extinction coefficient at wavelengths λ = 233 and 268. Group 1 oils (HL_18A, HL_18B) and group 2 oils (HL_19A, HL_19B, HL_19C).