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 acidsExperimental diets1
L0L10L20

g/100 g (mean ± SE) of total fatty acids
C12:0, lauric 0.63  ±  0.210.54  ±  0.150.55  ±  0.08
C14:0, myristic 1.87  ±  0.191.75  ±  0.361.87  ±  0.32
C15:0, pentadecanoic 0.90  ±  0.061.08  ±  0.220.90  ±  0.13
C15:1, pentadecenoic 0.77  ±  0.100.88  ±  0.160.74  ±  0.07
C16:0, palmitic 20.94a  ±  0.1918.11b  ±  1.0818.80b  ±  0.93
C16:1, palmitoleic 1.89a  ±  0.141.37b  ±  0.171.08b  ±  0.13
C17:0, heptadecanoic 1.79  ±   0.241.46  ±  0.231.31  ±  0.23
C17.1, heptadecenoic 0.66  ±  0.090.60  ±  0.050.67  ±  0.08
C18:0, stearic 15.09  ±  0.8215.35  ±  0.7216.85  ±  1.06
C18:1 n-9, oleic 36.17  ±  1.3139.45  ±  0.8936.18  ±  2.04
C18:1 trans-11, vaccenic 1.44  ±  0.151.36  ±  0.291.99  ±  0.16
C18:2 n-6, linoleic 10.30a  ±  1.437.03b  ±  0.586.71b  ±  0.78
C18:2 cis-9, trans-11. CLA0.65  ±  0.190.91  ±  0.230.77  ±  0.07
C18:2 trans-10, cis-12, CLA0.47  ±  0.160.41  ±  0.080.45  ±  0.14
C18:3 n-3, linolenic 0.39c  ±  0.092.31b  ±  0.354.85a  ±  0.89
C20:4 n-6, arachidonic 4.58a  ±  0.383.22b  ±  0.343.22b  ±  0.37
C20:5 n-3, eicosapentaenoic 0.22b  ±  0.041.38a  ±  0.241.55a  ±  0.17
C22:5 n-3, docosapentaenoic 0.50b  ±  0.051.25a  ±  0.271.90a  ±  0.20
C22:6 n-3, docosahexaenoic 0.63b  ±  0.100.77ab  ±  0.111.00a  ±  0.12

SFA241.23  ±  0.5138.29  ±  1.0240.17  ±  1.34
UFA358.77  ±  0.8461.71  ±  1.0259.83  ±  1.09
MUFA440.92  ±  1.3543.66  ±  0.8540.67  ±  1.95
PUFA n-351.74c  ±  0.186.36b  ±  0.719.00a  ±  1.06
PUFA n-6614.88a  ±  1.5310.24b  ±  0.909.57b  ±  1.12
Total CLA71.11  ±  0.141.32  ±  0.241.22  ±  0.19
PUFA n-6/n-3 8.86a  ±  1.421.68b  ±  0.171.16b  ±  0.11
UFA/SFA1.43b  ±  0.031.62a  ±  0.071.50ab  ±  0.08
PUFA/SFA0.40b  ±  0.020.44a  ±  0.040.45a  ±  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.