Research Article

Changes in Fatty Acid Composition and Distribution of N-3 Fatty Acids in Goat Tissues Fed Different Levels of Whole Linseed

Table 4

Fatty acid profiles of the supraspinatus muscleof 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 0.31b  ±  0.050.36b  ±  0.050.98a  ±  0.25
C14:0, myristic 1.73  ±  0.131.84  ±  0.191.85  ±  0.40
C15:0, pentadecanoic 0.98  ±  0.081.20  ±  0.201.27  ±  0.22
C15:1, pentadecenoic 0.82  ±  0.060.95  ±  0.161.10  ±  0.14
C16:0, palmitic 20.55a  ±  0.3518.78ab  ±  0.9116.41b  ±  1.21
C16:1, palmitoleic 1.32  ±  0.311.47  ±  0.181.14  ±  0.19
C17:0, heptadecanoic 1.45  ±  0.200.90  ±  0.211.87  ±  0.49
C17.1, heptadecenoic 0.59  ±  0.060.57  ±  0.060.62  ±  0.04
C18:0, stearic 15.66  ±  0.3715.62  ±  0.8216.17  ±  0.94
C18:1 n-9, oleic 37.70  ±  1.4936.35  ±  1.0232.40  ±  1.43
C18:1 trans-11, vaccenic 0.84b  ±  0.231.13ab  ±  0.131.51a  ±  0.21
C18:2 n-6, linoleic 10.15  ±  0.878.7  ±  0.6110.4  ±  0.87
C18:2 cis-9, trans-11. CLA0.72  ±  0.170.91  ±  0.250.97  ±  0.09
C18:2 trans-10, cis-12, CLA0.22b  ±  0.120.65a  ±  0.180.66a  ±  0.15
C18:3 n-3, linolenic 0.36c  ±  0.092.73b  ±  0.314.12a  ±  0.27
C20:4 n-6, arachidonic 4.7  ±  0.373.7  ±  0.393.7  ±  0.45
C20:5 n-3, eicosapentaenoic 0.74b  ±  0.171.27ab  ±  0.151.76a  ±  0.25
C22:5 n-3, docosapentaenoic 0.58b  ±  0.101.52a  ±  0.181.63a  ±  0.31
C22:6 n-3, docosahexaenoic 0.44b  ±  0.051.15a  ±  0.091.22a  ±  0.08

SFA240.70  ±  0.3938.70  ±  0.9638.58  ±  0.87
UFA359.30  ±  0.3961.30  ±  0.9661.42  ±  0.87
MUFA441.27  ±  1.3740.48  ±  1.0136.77  ±  1.49
PUFA n-352.13c  ±  0.266.67b  ±  0.638.74a  ±  0.74
PUFA n-6614.85  ±  1.1412.37  ±  0.9714.07  ±  1.29
Total CLA70.94b  ±  0.201.56a  ±  0.391.63a  ±  0.19
PUFA n-6/n-3 7.55a  ±  1.231.87b  ±  0.061.61a  ±  0.06
UFA/SFA1.46b  ±  0.021.59a  ±  0.061.60a  ±  0.06
PUFA/SFA0.42b  ±  0.030.50ab  ±  0.050.60a  ±  0.06

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, C20:5 n-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 + C22:5n-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.