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

Table 7

Fatty acid profiles of perirenal fat of goats fed diets containing different levels of whole linseed.

Fatty acids	Experimental diets^1
	L0	L10	L20
	g/100 g (mean ± SE) of total fatty acids
C12:0, lauric	0.40  ±  0.11	0.38  ±  0.07	0.38  ±  0.07
C14:0, myristic	0.38  ±  0.10	0.39  ±  0.09	0.34  ±  0.09
C15:0, pentadecanoic	0.59  ±  0.01	0.64  ±  0.02	0.66  ±  0.03
C15:1, pentadecenoic	0.21  ±  0.04	0.34  ±  0.09	0.30  ±  0.06
C16:0, palmitic	33.83^a  ±  0.60	26.90^b  ±  0.97	23.65^c  ±  1.12
C16:1, palmitoleic	1.33  ±  0.12	1.02  ±  0.14	0.98  ±  0.13
C17:0, heptadecanoic	1.07  ±  0.07	1.09  ±  0.04	1.24  ±  0.09
C17.1, heptadecenoic	0.31  ±  0.01	0.57  ±  0.10	0.54  ±  0.12
C18:0, stearic	33.14  ±  0.87	37.93  ±  3.03	37.78  ±  2.59
C18:1 n-9 cis, oleic	23.66  ±  0.76	24.40  ±  2.50	25.08  ±  3.16
C18:1 trans-11, vaccenic	2.07  ±  0.07	1.84  ±  0.24	1.41  ±  0.30
C18:2 n-6, linoleic	1.81^b  ±  0.13	2.0^b  ±  0.30	3.74^a  ±  0.49
C18:2 cis-9, trans-11. CLA	0.40^c  ±  0.05	0.75^b  ±  0.07	0.95^c  ±  0.12
C18:2 trans-10, cis-12, CLA	0.25  ±  0.06	0.27  ±  0.08	0.30  ±  0.04
C18:3 n-3, linolenic	0.22^c  ±  0.03	0.66^b  ±  0.08	1.67^a  ±  0.27
C20:4 n-6, arachidonic	0.48  ±  0.08	0.50  ±  0.11	0.43  ±  0.09
SFA^2	69.03^a  ±  0.90	66.94^ab  ±  2.53	63.71^a  ±  3.13
UFA^3	30.97  ±  0.90	33.06  ±  2.53	36.29  ±  3.13
MUFA^4	27.95  ±  0.84	28.56  ±  2.52	28.64  ±  3.11
PUFA n-3^5	0.22^c  ±  0.03	0.66^b  ±  0.08	1.67^a  ±  0.27
PUFA n-6^6	2.61^b  ±  0.13	2.50^b  ±  0.30	4.17^a  ±  0.49
Total CLA^7	0.64^c  ±  0.10	1.02^b  ±  0.10	1.25^a  ±  0.10
PUFA n-6/n-3	10.53^a  ±  1.33	3.14^b  ±  0.31	2.72^b  ±  0.29
UFA/SFA	0.45  ±  0.02	0.51  ±  0.07	0.59  ±  0.10
PUFA/SFA	0.03^b  ±  0.002	0.05^b  ±  0.004	0.10^a  ±  0.01

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): 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.
⁴MUFA (monounsaturated fatty acids): C15:1 + C16:1 + C17:1 + C18:1 n-9 + C18:1 n-9 trans.
⁵PUFA n-3: C18:3 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.