Table 5. Effects of addition of linseed or linseed and marine algae to the diet on fatty acid composition (g/100 g of total identified fatty acid methyl esters) in intramuscular adipose tissue of Navarra breed lambs.
Item2 | Treatment1 | ||||
---|---|---|---|---|---|
C | L | L-A | SEM | P-value | |
Total fatty acids (mg/100 g muscle) | 3,125 | 2,943 | 3,158 | 196 | 0.726 |
SFA | |||||
C12:0 | 0.57A | 0.37B | 0.38B | 0.03 | <0.001 |
C14:0 | 4.28a | 3.67b | 4.02ab | 0.14 | 0.021 |
C16:0 | 27.3C | 26.8B | 31.5A | 0.40 | <0.001 |
C18:0 | 13.7A | 13.5A | 12.5B | 0.20 | 0.001 |
C20:0 | 0.03 | 0.13 | 0.03 | 0.04 | 0.413 |
Total SFA3 | 48.9b | 47.5Bb | 50.7Aa | 0.50 | <0.001 |
MUFA | |||||
C16:1 c9 | 1.64Aa | 1.42b | 1.28Bb | 0.06 | 0.001 |
C18:1 t-10 + C18:1 t-11 | 2.88B | 7.04A | 7.93A | 0.50 | <0.001 |
C18:1 c-9 (oleic acid) | 28.9A | 24.9Ba | 21.3Bb | 0.80 | <0.001 |
C18:1 c-11 | 1.84 | 1.68 | 1.63 | 0.10 | 0.369 |
C20:1 c-11 | 0.10b | 0.40a | 0.07b | 0.06 | 0.040 |
Total MUFA3 | 37.1Aa | 36.3a | 33.8Bb | 0.70 | 0.004 |
C18:2 c-9, t-11 (CLA) | 0.12 | 0.11 | 0.16 | 0.02 | 0.450 |
∑ CLA4 | 0.26 | 0.30 | 0.29 | 0.02 | 0.652 |
n-3 PUFA | |||||
C18:3 n-3 (ALA) | 0.40C | 1.84A | 0.89B | 0.09 | <0.001 |
C20:5 n-3 (EPA) | 0.19B | 0.74A | 1.01A | 0.09 | <0.001 |
C22:5 n-3 (DPA) | 0.23Bb | 0.31a | 0.32Aa | 0.02 | 0.002 |
C22:6 n-3 (DHA) | 0.05B | 0.08B | 0.99A | 0.02 | <0.001 |
Total n-3 PUFA3 | 1.04Bb | 4.32A | 3.21a | 0.37 | <0.001 |
n-6 PUFA | |||||
C18:2 n-6 t-9, t-12 | 0.09C | 0.45A | 0.29B | 0.03 | <0.001 |
C18:2 n-6 (LA) | 7.77 | 6.78 | 5.97 | 0.53 | 0.072 |
C18:3 n-6 | 0.08 | 0.08 | 0.07 | 0.04 | 0.295 |
C20:2 n-6 | 0.07B | 0.07B | 0.11A | 0.01 | <0.001 |
C20:3 n-6 | 0.19a | 0.15Bb | 0.22Aa | 0.01 | <0.001 |
C20:4 n-6 (AA) | 2.71b | 2.16Cc | 3.35Aa | 0.19 | <0.001 |
C22:4 n-6 | 0.18A | 0.13B | 0.06C | 0.01 | <0.001 |
Total n-6 PUFA3 | 11.09 | 9.82 | 10.86 | 0.69 | 0.401 |
Total PUFA | 12.2 | 14.2 | 13.9 | 0.60 | 0.051 |
n-6 PUFA/n-3 PUFA | 10.46A | 3.76B | 4.44B | 0.54 | <0.001 |
PUFA/SFA | 0.25b | 0.30a | 0.27ab | 0.01 | 0.050 |
a,b,cMeans with different lowercase supercripts within a row are different (P < 0.05).
A,B,CMeans with different uppercase supercripts within a row are different (P < 0.01).
1Treatments: C = control; L = 10% linseed; L-A = 5% linseed with 3.89% marine algae.
2ALA = α-linolenic acid; EPA = eicosapentaenoic acid; DPA = docosapentaenoic acid; DHA = docosahexaenoic acid LA = linoleic acid; AA = arachidonic acid.
3Total SFA, MUFA, n-3 PUFA and n-6 PUFA is the sum of all SFA, MUFA, n-3 PUFA and n-6 PUFA.
4∑CLA = C18:2 c-9, t-11 + C18:2 t-10, c-12 + C18:2 c-9, c-11 + C18:2 t-9, t-11.