Table 8.
Effects of diet supplementation with cornus extract and oregano and thyme essential oils on fatty acid profile of yoghurt and Feta cheese (% of total identified fatty acids).
| Fatty Acids 1 | Control 2 | Cornus | CorOrThym | Control | Cornus | CorOrThym | SEM 4 | p-Value |
|---|---|---|---|---|---|---|---|---|
| - | Yoghurt | Feta Cheese | - | - | ||||
| C4:0 | 0.86 | 1.14 | 1.37 | 0.77 | 0.85 | 0.76 | 0.23 | NS |
| C6:0 | 1.04 | 1.27 | 1.32 | 1.30 | 1.43 | 1.27 | 0.07 | NS |
| C8:0 | 1.67 | 1.97 | 2.03 | 1.78 | 2.32 | 2.06 | 0.09 | NS |
| C10:0 | 7.12 | 8.52 | 8.31 | 7.76 | 9.81 | 8.70 | 0.39 | NS |
| C11:0 | 0.29 | 0.31 | 0.34 | 0.32 | 0.39 | 0.22 | 0.01 | NS |
| C12:0 | 5.72 | 6.49 | 6.02 | 5.70 | 7.17 | 6.72 | 0.25 | NS |
| C13:0 | 0.14 | 0.13 | 0.14 | 0.12 | 0.15 | 0.13 | 0.00 | NS |
| C14:0 | 14.70 | 15.42 | 14.30 | 15.27 | 15.69 | 14.76 | 0.35 | NS |
| C14:1 | 0.45 | 0.32 | 0.39 | 0.44 | 0.32 | 0.38 | 0.03 | NS |
| C15:0 | 1.40 | 1.03 | 1.16 | 1.19 | 0.95 | 1.05 | 0.04 | NS |
| C15:1 | 0.26 | 0.16 | 0.18 | 0.27 | 0.18 | 0.19 | 0.01 | NS |
| C16:0 | 30.92 | 28.98 | 27.52 | 32.02 | 27.55 | 28.12 | 0.84 | NS |
| C16:1 | 1.41 | 0.63 | 1.33 | 1.42 | 0.98 | 1.06 | 0.13 | NS |
| C17:0 | 0.65 | 0.50 | 0.44 | 0.66 | 0.52 | 0.58 | 0.02 | NS |
| C17:1 | 0.29 | 0.17 | 0.22 | 0.26 | 0.20 | 0.24 | 0.01 | NS |
| C18:0 | 7.83 | 8.33 | 7.87 | 7.28 | 7.92 | 8.36 | 0.59 | NS |
| 18:1 trans-11 | 0.33 | 0.32 | 0.54 | 0.36 | 0.36 | 0.51 | 0.04 | NS |
| C18:1 n-7 cis-VA | 0.77 | 0.64 | 1.37 | 0.94 | 0.74 | 1.16 | 0.13 | NS |
| 18:1 cis-9 | 18.90 | 18.77 | 18.50 | 16.79 | 17.43 | 17.69 | 0.66 | NS |
| 18:2 n-6 trans | 0.75 | 0.62 | 1.16 | 0.62 | 0.66 | 0.85 | 0.17 | NS |
| 18:2 n-6 cis | 2.45 | 2.53 | 3.14 | 2.36 | 2.70 | 2.71 | 0.16 | NS |
| 18:3n6 | 0.29 | 0.10 | 0.16 | 0.20 | 0.22 | 0.28 | 0.03 | NS |
| 18:3n3 | 0.82 | 0.76 | 0.95 | 1.02 | 0.71 | 0.85 | 0.19 | NS |
| CLAcis-9, trans-11 | 0.66 | 0.67 | 0.82 | 0.80 | 0.53 | 0.86 | 0.05 | NS |
| C20:0 | 0.08 | 0.11 | 0.18 | 0.09 | 0.08 | 0.18 | 0.10 | NS |
| C21 | 0.09 | 0.08 | 0.11 | 0.09 | 0.05 | 0.17 | 0.02 | NS |
| C20:2 | 0.13 | 0.01 | 0.15 | 0.20 | 0.11 | 0.16 | 0.03 | NS |
| SCFA | 10.98 | 13.21 | 13.36 | 11.92 | 14.79 | 13.00 | 0.62 | NS |
| MCFA | 52.88 | 52.04 | 49.15 | 54.29 | 51.51 | 50.78 | 1.34 | NS |
| LCFA | 8.63 | 9.03 | 8.59 | 8.11 | 8.57 | 9.29 | 0.61 | NS |
| PUFA | 5.09 | 4.70 | 6.38 | 5.20 | 4.93 | 5.71 | 0.45 | NS |
| MUFA | 22.41 | 21.02 | 22.53 | 20.48 | 20.21 | 21.22 | 0.74 | NS |
| UFA | 27.50 | 25.72 | 28.91 | 25.68 | 25.14 | 26.93 | 1.13 | NS |
| SFA | 72.50 | 74.28 | 71.10 | 74.32 | 74.86 | 73.07 | 1.13 | NS |
| Al(C12:0 + 4 * C14:0 + C16:0)/UFA) | 3.47 | 3.78 | 3.14 | 3.85 | 3.88 | 3.49 | 0.20 | NS |
| C14:1/C14:0 3 | 0.03 | 0.02 | 0.03 | 0.03 | 0.02 | 0.03 | 0.01 | NS |
| C16:1/C16:0 | 0.05 | 0.02 | 0.05 | 0.04 | 0.04 | 0.04 | 0.01 | NS |
| C18:1/C18:0 | 2.46 | 2.29 | 2.42 | 2.36 | 2.25 | 2.18 | 0.12 | NS |
| C18:2cis9,trans-11/C18:1 trans11 | 0.85 | 1.05 | 0.60 | 0.85 | 0.71 | 0.74 | 0.01 | NS |
| SFA/UFA | 2.64 | 2.89 | 2.46 | 2.89 | 2.98 | 2.71 | 0.01 | NS |
SCFA: short chain fatty acids; MCFA: medium chain fatty acids; LCFA: long chain fatty acids; PUFA: polyunsaturated fatty acids; MUFA: monounsaturated fatty acids; SFA: saturated fatty acids; UFA: unsaturated fatty acids; 1 results are given as means of groups (n = 5 = subgroups); 2 Control, Cornus and CorOrThym represent groups of ewes fed a basal diet supplemented with corresponding plant extracts; 3 the Δ−9 desaturase activity indexes were calculated using the following four ratios: C14:1/C14:0, C16:1/C16:0, C18:1/C18:0 and C18:2cis9,trans-11/C18:1 trans11; 4 SEM = standard error of mean. NS = not significant.