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

Table 5

Fatty acid profiles ofthe semitendinosus muscle of goats fed diets containing different levels of whole linseed.

Fatty acids	Experimental diets
	L0	L10	L20
	g/100 g (mean ± SE) of total fatty acids
C12:0, lauric	0.36  ±  0.07	0.28  ±  0.08	0.51  ±  0.12
C14:0, myristic	2.64  ±  0.38	2.43  ±  0.49	2.12  ±  0.26
C15:0, pentadecanoic	0.48^b  ±  0.03	0.93^a  ±  0.11	0.81^a  ±  0.06
C15:1, pentadecenoic	0.41^b  ±  0.03	0.75^a  ±  0.09	0.66^a  ±  0.05
C16:0, palmitic	24.99^a  ±  1.10	19.58^b  ±  0.57	18.98^b  ±  0.58
C16:1, palmitoleic	2.19  ±  0.46	1.96  ±  0.42	1.40  ±  0.15
C17:0, heptadecanoic	1.41  ±  0.36	2.06  ±  0.54	2.69  ±  0.52
C17.1, heptadecenoic	0.57  ±  0.04	0.64  ±  0.09	0.56  ±  0.05
C18:0, stearic	16.02  ±  0.31	15.46  ±  0.99	16.43  ±  0.93
C18:1 n-9 cis, oleic	38.03^a  ±  0.41	38.09^a  ±  0.90	35.32^b  ±  0.52
C18:1 trans-11, vaccenic	1.65  ±  0.11	1.31  ±  0.13	1.41  ±  0.20
C18:2 n-6, linoleic	6.28  ±  0.64	6.99  ±  0.53	7.22  ±  0.51
C18:2 cis-9, trans-11. CLA	0.39^c  ±  0.04	0.79^b  ±  0.04	1.04^a  ±  0.13
C18:2 trans-10, cis-12, CLA	0.15  ±  0.11	0.49  ±  0.27	0.23  ±  0.07
C18:3 n-3, linolenic	0.30^c  ±  0.10	2.12^b  ±  0.12	3.47^a  ±  0.33
C20:4 n-6, arachidonic	3.02  ±  0.68	3.17  ±  0.20	2.82  ±  0.19
C20:5 n-3, eicosapentaenoic	0.51^c  ±  0.02	1.01^b  ±  0.04	1.54^a  ±  0.12
C22:5 n-3, docosapentaenoic	0.32^c  ±  0.02	0.91^b  ±  0.07	1.14^a  ±  0.11
C22:6 n-3, docosahexaenoic	0.3^b  ±  0.08	0.9^a  ±  0.12	1.1^a  ±  0.19
SFA^2	45.88^a  ±  1.15	40.74^b  ±  0.53	41.54^b  ±  0.62
UFA^3	54.12^b  ±  1.15	59.26^a  ±  0.53	58.56^a  ±  0.62
MUFA^4	42.85^a  ±  0.50	42.75^a  ±  1.00	39.36^b  ±  0.64
PUFA n-3^5	1.40^c  ±  0.17	5.07^b  ±  0.13	7.67^a  ±  0.48
PUFA n-6^6	9.32  ±  1.31	10.16  ±  0.69	10.03  ±  0.59
Total CLA^7	0.54^b  ±  0.07	1.27^a  ±  0.29	1.27^a  ±  0.17
PUFA n-6/n-3	6.65^a  ±  0.48	2.00^b  ±  0.09	1.32^c  ±  0.06
UFA/SFA	1.18^b  ±  0.06	1.46^a  ±  0.03	1.41^a  ±  0.03
PUFA/SFA	0.24^b  ±  0.04	0.37^a  ±  0.02	0.43^a  ±  0.03

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.