Table 1.
Peroxide value, p-anisidine value, fatty acid and tocopherol composition in original sunflower oil, tocopherol-stripped sunflower oil, and in FAME prepared from original sunflower oil
| OSOa) | TSOb) | FAME | |
|---|---|---|---|
| Peroxide value (meq.act.O/kg)c) | 2.1 ± 0.2 | 2.6 ± 0.1 | 2.2 ± 0.1 |
| p-Anisidine value [1] c) | 4.4 ± 0.1 | 4.9 ± 0.2 | 4.6 ± 0.1 |
| Fatty acid (%)d) | |||
| C16:0 | 6.2 | 6.8 | 6.6 |
| C18:0 | 3.6 | 4.1 | 3.7 |
| C18:1 | 26.4 | 29.1 | 26.6 |
| C18:2 | 62.6 | 58.8 | 62.1 |
| C18:3 | 1.0 | 0.3 | 0.8 |
| Tocopherol (mg/kg) | |||
| α | 120 | 2.4 | nd |
| β | 10 | nd | nd |
| γ | 12 | 5.6 | nd |
| δ | 7 | 0.7 | nd |
nd, not detected.
a)
Original sunflower oil.
b)
Tocopherol-stripped oil.
c)
Results are expressed as means ± SD of three samples.
d)
% of total fatty acids.