Research Article
Changes in Fatty Acid Composition and Distribution of N-3 Fatty Acids in Goat Tissues Fed Different Levels of Whole Linseed
Table 3
Fatty acid profiles of the longissimus dorsi muscle of goats fed diets containing different levels of whole linseed.
| Fatty acids | Experimental diets1 | L0 | L10 | L20 |
| | g/100 g (mean ± SE) of total fatty acids | C12:0, lauric | 0.63 ± 0.21 | 0.54 ± 0.15 | 0.55 ± 0.08 | C14:0, myristic | 1.87 ± 0.19 | 1.75 ± 0.36 | 1.87 ± 0.32 | C15:0, pentadecanoic | 0.90 ± 0.06 | 1.08 ± 0.22 | 0.90 ± 0.13 | C15:1, pentadecenoic | 0.77 ± 0.10 | 0.88 ± 0.16 | 0.74 ± 0.07 | C16:0, palmitic | 20.94a ± 0.19 | 18.11b ± 1.08 | 18.80b ± 0.93 | C16:1, palmitoleic | 1.89a ± 0.14 | 1.37b ± 0.17 | 1.08b ± 0.13 | C17:0, heptadecanoic | 1.79 ± 0.24 | 1.46 ± 0.23 | 1.31 ± 0.23 | C17.1, heptadecenoic | 0.66 ± 0.09 | 0.60 ± 0.05 | 0.67 ± 0.08 | C18:0, stearic | 15.09 ± 0.82 | 15.35 ± 0.72 | 16.85 ± 1.06 | C18:1 n-9, oleic | 36.17 ± 1.31 | 39.45 ± 0.89 | 36.18 ± 2.04 | C18:1 trans-11, vaccenic | 1.44 ± 0.15 | 1.36 ± 0.29 | 1.99 ± 0.16 | C18:2 n-6, linoleic | 10.30a ± 1.43 | 7.03b ± 0.58 | 6.71b ± 0.78 | C18:2 cis-9, trans-11. CLA | 0.65 ± 0.19 | 0.91 ± 0.23 | 0.77 ± 0.07 | C18:2 trans-10, cis-12, CLA | 0.47 ± 0.16 | 0.41 ± 0.08 | 0.45 ± 0.14 | C18:3 n-3, linolenic | 0.39c ± 0.09 | 2.31b ± 0.35 | 4.85a ± 0.89 | C20:4 n-6, arachidonic | 4.58a ± 0.38 | 3.22b ± 0.34 | 3.22b ± 0.37 | C20:5 n-3, eicosapentaenoic | 0.22b ± 0.04 | 1.38a ± 0.24 | 1.55a ± 0.17 | C22:5 n-3, docosapentaenoic | 0.50b ± 0.05 | 1.25a ± 0.27 | 1.90a ± 0.20 | C22:6 n-3, docosahexaenoic | 0.63b ± 0.10 | 0.77ab ± 0.11 | 1.00a ± 0.12 |
| SFA2 | 41.23 ± 0.51 | 38.29 ± 1.02 | 40.17 ± 1.34 | UFA3 | 58.77 ± 0.84 | 61.71 ± 1.02 | 59.83 ± 1.09 | MUFA4 | 40.92 ± 1.35 | 43.66 ± 0.85 | 40.67 ± 1.95 | PUFA n-35 | 1.74c ± 0.18 | 6.36b ± 0.71 | 9.00a ± 1.06 | PUFA n-66 | 14.88a ± 1.53 | 10.24b ± 0.90 | 9.57b ± 1.12 | Total CLA7 | 1.11 ± 0.14 | 1.32 ± 0.24 | 1.22 ± 0.19 | PUFA n-6/n-3 | 8.86a ± 1.42 | 1.68b ± 0.17 | 1.16b ± 0.11 | UFA/SFA | 1.43b ± 0.03 | 1.62a ± 0.07 | 1.50ab ± 0.08 | PUFA/SFA | 0.40b ± 0.02 | 0.44a ± 0.04 | 0.45a ± 0.02 |
|
|
L0 diet: control diet, containing 0% whole linseed, L10: diet containing 10% whole linseed, and L20: diet containing 20% whole linseed.
abcValues with different superscripts within a row differ significantly at < 0.05.
2SFA (saturated fatty acids): C12:0 + C14:0+ C15:0 + C16:0 + C17:0 + C18:0.
3UFA (unsaturated fatty acids): C14:1 + C15:1 + C16:1 + C17:1 + C18:1n-9 + C18:1n-9 trans + C18:2 n-6 + C18:3 n-3 + C20:4 n-6, C20:5n-3 + C22:5 n-3 + C22:6 n-3.
4MUFA (monounsaturated fatty acids): C14:1+ C15:1 + C16:1 + C17:1 + C18:1 n-9 + C18:1 n-9 trans.
5PUFA n-3: C18:3 n-3 + C20:5 n-3 + C22:5 n-3 + C22:6 n-3.
6PUFA n-6 = C18:2 n-6 + C20:4 n-6.
7Total CLA: C18:2 cis-9, trans-11 + C18:2 trans-10, cis-12.
|