Table 6.
Fatty acid composition of oat bran lipids according to the pre-treatment method, mg g−1 lipid.
| Oat | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Fatty Acid | Soxhlet | 10% KOH | Vzym | Vferm | Cell | |||||
| Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
| Myristate C14:0 | 2.6 | 0.0 | 1.8 | 0.0 | 2.3 | 0.1 | 2.1 | 0.1 | 1.4 | 0.1 |
| Pentadecanoate C15:0 | BLQ | − | 0.2 | 0.0 | BLQ | − | BLQ | − | BLQ | − |
| Palmitate C16:0 | 150.5 | 0.1 | 149.0 | 0.7 | 144.4 | 0.4 | 137.0 | 2.4 | 143.1 | 0.5 |
| Heptadecanoate C17:0 | 1.0 | 0.0 | 1.0 | 0.0 | 0.7 | 0.0 | 1.0 | 0.1 | 1.0 | 0.0 |
| Stearate C18:0 | 16.6 | 0.2 | 14.4 | 0.2 | 14.0 | 0.2 | 12.4 | 0.2 | 15.8 | 0.1 |
| Oleate C18:1 (c9) | 343.9 | 4.8 | 300.0 | 1.0 | 270.6 | 1.8 | 266.6 | 1.3 | 332.6 | 0.8 |
| Vaccenate C18:1 (t11) | 4.2 | 0.1 | 4.7 | 0.1 | 3.7 | 0.0 | 2.4 | 0.3 | 3.2 | 0.4 |
| Linoleate C18:2 (c9,c12) | 323.7 | 4.5 | 321.4 | 2.9 | 272.9 | 1.0 | 272.0 | 1.3 | 314.1 | 3.0 |
| Linolenate C18:3 (c9,c12,c15) | 7.7 | 0.2 | 7.4 | 0.2 | 6.1 | 0.0 | 6.2 | 0.2 | 7.3 | 0.0 |
| Arachidate C20:0 | 0.9 | 0.8 | 0.7 | 0.1 | 0.5 | 0.0 | 0.7 | 0.1 | 0.7 | 0.1 |
| CLA linoleate C18:2 (c9,t11) | 0.4 | 0.0 | 1.7 | 0.1 | 0.3 | 0.0 | 0.9 | 0.0 | 0.3 | 0.0 |
| CLA linoleate C18:2 (t10,c12) | 0.1 | 0.0 | 1.1 | 0.1 | 0.3 | 0.0 | 0.5 | 0.0 | 0.2 | 0.0 |
| 11-eicosenoate C20:1 (c11) | 5.7 | 0.1 | 4.7 | 0.0 | 3.9 | 0.0 | 4.4 | 0.1 | 5.7 | 0.0 |
| Eicosadienoate C20:2 (c11,c14) | BLQ | − | BLQ | − | BLQ | − | 0.1 | 0.0 | 0.1 | 0.0 |
| Behenate C22:0 | 1.7 | 0.2 | 1.3 | 1.7 | 1.6 | 0.1 | 1.3 | 0.1 | 1.3 | 0.0 |
| Erucate C22:1 (c9,c11) | 0.2 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 |
| Tricosanoate C23:0 | 1.0 | 0.1 | 1.6 | 0.7 | 0.7 | 0.2 | 0.7 | 0.0 | 0.6 | 0.0 |
| Tetracosanoate C24:0 | 0.5 | 0.0 | 0.4 | 0.0 | 0.4 | 0.0 | 0.3 | 0.0 | 0.4 | 0.0 |
| SFA | 174.8 | 1.4 | 170.5 | 3.7 | 164.6 | 1.0 | 155.5 | 2.9 | 164.3 | 0.9 |
| MUFA | 353.9 | 5.1 | 309.4 | 1.1 | 278.4 | 1.9 | 273.5 | 1.7 | 341.7 | 1.2 |
| PUFA | 331.8 | 4.7 | 331.7 | 3.3 | 279.6 | 1.1 | 279.7 | 1.6 | 322.0 | 3.1 |
| ∑MUFA + PUFA | 685.7 | 9.8 | 641.1 | 4.4 | 558.0 | 3.0 | 553.2 | 3.3 | 663.6 | 4.3 |
| ∑SFA + MUFA + PUFA | 860.6 | 11.2 | 811.6 | 8.1 | 722.6 | 4.0 | 708.7 | 6.2 | 828.0 | 5.2 |
| CLA | 0.4 | 0.0 | 2.8 | 0.2 | 0.6 | 0.0 | 1.3 | 0.1 | 0.4 | 0.0 |
Note: Values are means ± SD of triplicates (n = 3). SFA—saturated fatty acids; MUFA—monounsaturated fatty acids; PUFA—polyunsaturated fatty acids; CLA—conjugated linoleic acid; Vzym—commercial multi-enzyme preparation Viscozyme L; Vferm—commercial multi-enzyme preparation Viscoferm; Cell—commercial enzyme preparation Celluclast 1.5 L; BLQ—below limit of quantification; SD—standard deviation.