Table 5.
The oxidation parameters of flaxseed oil subjected to UV-B treatment.
| Type of Sample * | PV [meq O2/kg] | FFA [mg KOH/g] | MDA [mmol/L] | Carotenoids [mg/kg] |
|---|---|---|---|---|
| Untreated | 3.52 a ± 0.17 | 0.65 a ± 0.03 | 0.018 a ± 0.006 | 583.9 f ± 1.1 |
| UV-Control | 5.14 b ± 0.46 | 0.78 a ± 0.19 | 0.035 b ± 0.009 | 568.2 d ± 0.2 |
| T | 3.77 a ± 0.36 | 0.76 a ± 0.03 | 0.061 d ± 0.015 | 551.8 b ± 0.7 |
| FUR + MAN | 3.57 a ± 0.01 | 0.74 a ± 0.03 | 0.040 bc ± 0.005 | 525.7 a ± 0.9 |
| FUR + GO | 4.75 b ± 0.35 | 0.71 a ± 0.04 | 0.048 bcd ± 0.000 | 572.9 e ± 0.2 |
| FUR + CQDs | 5.03 b ± 0.42 | 0.71 a ± 0.04 | 0.055 cd ± 0.001 | 563.0 c ± 1.2 |
* Samples subjected to UV treatment using: tinted bottles (T), Petri dishes with maghemite films (FUR + MAN), Petri dishes with graphene oxide films (FUR + GO) and Petri dishes with carbon quantum dots films (FUR + CQDs). PV—peroxide value, FFA—free fatty acids, MDA—malondialdehyde, FRAP—ferric reducing ability of plasma. Results with different superscript letters (a-f) are statistically different (p < 0.05).