Table 3.
Oil content (g oil/100 g dried seed) and fatty acid composition (wt%, weight percent of total fatty acids) of grape seed pomace of four different grape varieties harvested in the Villány wine region.
| Blue Portugal | Syrah | Pinot Noir | Cabernet Sauvignon | |
|---|---|---|---|---|
| Oil content | 9.54 ± 0.21 ABC | 12.13 ± 0.14 ADa | 13.91 ± 0.21 BD | 13.51 ± 0.26 Ca |
| Saturated fatty acids (SFA) | ||||
| C14:0 | 0.13 ± 0.01 ab | 0.10 ± 0.01 a | 0.11 ± 0.01 c | 0.09 ± 0.01 bc |
| C15:0 | 0.02 ± 0.0 | 0.01 ± 0.00 a | 0.02 ± 0.00 Aa | 0.01 ± 0.00 A |
| C16:0 | 9.68 ± 0.05 ABC | 8.05 ± 0.05 Aa | 8.03 ± 0.11 Bb | 8.34 ± 0.04 Cab |
| C17:0 | 0.07 ± 0.00 a | 0.07 ± 0.00 b | 0.07 ± 0.00 abc | 0.06 ± 0.00 c |
| C18:0 | 4.12 ± 0.02 ABC | 4.55 ± 0.01 ADE | 3.85 ± 0.00 BDF | 4.45 ± 0.02 CEF |
| C20:0 | 0.17 ± 0.00 AaB | 0.20 ± 0.00 AC | 0.16 ± 0.00 aCD | 0.20 ± 0.01 BD |
| C22:0 | 0.06 ± 0.01 a | 0.07 ± 0.00 | 0.07 ± 0.00 ab | 0.06 ± 0.01 b |
| C24:0 | 0.04 ± 0.00 ABa | 0.03 ± 0.00 A | 0.03 ± 0.00 Bb | 0.04 ± 0.00 ab |
| Monounsaturated fatty acids (MUFA) | ||||
| C16:1n-7 | 0.20 ± 0.00 ABC | 0.09 ± 0.00 AD | 0.16 ± 0.00 BDE | 0.09 ± 0.00 CE |
| C18:1n-9 | 15.40 ± 0.03 ABC | 13.37 ± 0.01 AD | 16.80 ± 0.15 BDE | 13.53 ± 0.13 CE |
| C18:1n-7 | 0.82 ± 0.01 AaB | 0.65 ± 0.02 AC | 0.81 ± 0.00 aCD | 0.66 ± 0.02 BD |
| C20:1n-9 | 0.14 ± 0.00 Aa | 0.16 ± 0.00 A | 0.17 ± 0.01 a | 0.16 ± 0.01 |
| Polyunsaturated fatty acids (PUFA) | ||||
| C18:2n-6 | 68.43 ± 0.05 AaB | 71.95 ± 0.07 ACb | 69.01 ± 0.24 aCD | 71.61 ± 0.12 BbD |
| C18:3n-3 | 0.46 ± 0.00 ABC | 0.44 ± 0.00 Aab | 0.42 ± 0.00 Ba | 0.42 ± 0.01 Cb |
Means in a row sharing common Roman superscript denote significant differences between the grape varieties: a,b,c: p < 0.05; A,B,C,D,E: p ≤ 0.001.